San Diego in September - Things to Do & What to Wear

San Diego in September – Things to Do & What to Wear

When visiting San Diego in September, there are plenty of activities and attractions to enjoy. From exploring the world-famous San Diego Zoo to relaxing on the beautiful beaches, there is something for everyone. But what should you wear during this time of year? San Diego has a casual beach town style, so comfortable and casual clothing is recommended. Denim shorts, sandals, and lightweight tops are perfect for daytime outings, while a nice dress or blouse and pants are suitable for evenings out. Don’t forget to pack a light jacket or sweater as the temperature can drop in the evenings.

Key Takeaways:

  • San Diego in September offers a wide range of activities and attractions.
  • Comfortable and casual clothing is recommended for the casual beach town style.
  • Dress in layers and pack a light jacket or sweater for cooler evenings.
  • Don’t forget to bring your swimwear for beach outings.
  • San Diego has a laid-back atmosphere, so enjoy the relaxed vibe while exploring the city.

San Diego September Weather

In September, San Diego experiences warm and pleasant weather, making it an ideal time to visit. The average high temperature hovers around 77°F (25°C), providing comfortable conditions for outdoor activities and sightseeing. The average low temperature is around 66°F (19°C), ensuring mild evenings for evening strolls or outdoor dining.

The days in San Diego during September are generally sunny, allowing visitors to enjoy the city’s beautiful beaches and outdoor attractions. However, it’s important to note that San Diego is a coastal city with microclimates, resulting in variations in weather conditions throughout different areas.

One unique aspect of September weather in San Diego is the “May Gray” and “June Gloom” phenomenon, which can occasionally bring overcast mornings. While these overcast conditions are temporary and typically clear by mid-morning, it’s advisable to plan outdoor activities for the afternoon to enjoy the sun.

To provide a comprehensive overview of the weather in San Diego in September, here are the average temperature ranges for specific times of the day:

Time of Day Average Temperature Range
Morning Approximately 66-70°F (19-21°C)
Afternoon Approximately 75-80°F (24-27°C)
Evening Approximately 66-70°F (19-21°C)

As you can see, the weather in September provides a pleasant and enjoyable climate for exploring San Diego’s outdoor attractions. Whether you’re planning to visit the famous San Diego Zoo, take a stroll along the shoreline, or engage in water sports, September offers favorable conditions for all these activities.

San Diego September Events

In September, San Diego comes alive with a vibrant array of events and activities that cater to both locals and tourists. From culinary delights to thrilling showcases, there is something for everyone to enjoy during their visit. Let me guide you through some of the standout September events in San Diego that you won’t want to miss!

San Diego Restaurant Week

Kick off your September adventures by indulging in the San Diego Restaurant Week. This highly anticipated event showcases the city’s culinary prowess, with a wide range of establishments offering specially curated menus at various price points. It’s the perfect opportunity to explore new dining experiences and savor delectable flavors. Whether you’re a food enthusiast or a casual diner, San Diego Restaurant Week is a must-visit event that will satisfy your taste buds.

Surf Dog Surf-A-Thon

Experience the unique and adorable Surf Dog Surf-A-Thon at Del Mar Dog Beach. Watch as well-trained dogs take to the waves, showcasing their impressive surfing skills. This one-of-a-kind event is a heartwarming spectacle that brings together the joy of our furry friends and the beauty of San Diego’s coastline. Whether you’re a dog lover or simply appreciate the charm of this event, it’s sure to be a memorable experience.

CRSSD Festival

For music enthusiasts, the CRSSD Festival is a must-attend event in September. This electronic music festival boasts an impressive lineup of renowned artists, captivating audiences with their beats and melodies. The festival’s energetic atmosphere and stunning waterfront location at Waterfront Park create an unforgettable experience for music lovers. Prepare to dance the night away and immerse yourself in the electrifying ambiance of CRSSD Festival.

Miramar Air Show

If you’re seeking an adrenaline-filled experience, the Miramar Air Show is the place to be. This thrilling military air show showcases jaw-dropping aerial performances by skilled pilots and showcases the incredible capabilities of aircraft. Marvel at breathtaking stunts and formations as you witness the power and precision of these aerial demonstrations. The Miramar Air Show is an event that appeals to both aviation enthusiasts and those looking for a unique and exhilarating experience.

These are just a glimpse of the diverse events happening in San Diego during September. Whether you’re a food lover, music enthusiast, or adventure seeker, San Diego has something to offer you. Attend these events and immerse yourself in the vibrant culture and entertainment the city has to offer!

Stay tuned for more in-depth information about San Diego’s natural beauty and must-visit attractions in the upcoming sections. There’s so much to discover and explore in the picturesque city of San Diego!

San Diego Beaches in September

San Diego is a paradise for beach lovers, and September is an ideal time to soak up the sun and enjoy the stunning coastline. With warm temperatures and a pleasant beach climate, San Diego offers an unforgettable beach experience in September.

During this time of year, the weather in San Diego is still sizzling, with average temperatures hovering around the high 70s°F (25°C). This makes it perfect for indulging in various beach activities or simply lounging on the sandy shores.

While the beaches tend to be busier during Labor Day weekend, they become less crowded afterward, allowing you to relish the spaciousness and tranquility that San Diego beaches have to offer.

Two of the most popular beaches that beckon visitors in September are:

  1. La Jolla Shores Beach: With its picturesque beauty and calm waters, La Jolla Shores Beach is an idyllic spot for swimming, sunbathing, and enjoying water sports. The soft sandy beach stretches for miles, providing ample space for leisurely walks along the shoreline. You might even spot some adorable sea lions during low tide.
  2. Mission Beach: Known for its vibrant atmosphere and iconic boardwalk, Mission Beach offers a lively beach experience. Whether you want to catch some waves, play beach volleyball, ride a bike, or explore the nearby Belmont Park amusement park, Mission Beach has something for everyone.

Don’t forget to take advantage of the lovely September weather and venture out for some tide pooling at Cabrillo National Monument, where you can discover fascinating marine life hidden among the rocky shores.

Beach Activities Highlights
La Jolla Shores Beach Swimming, sunbathing, water sports Pristine beauty, sea lion spotting
Mission Beach Surfing, beach volleyball, biking, amusement park Vibrant atmosphere, iconic boardwalk

While the ocean temperature may start to cool off slightly towards the end of September, it remains comfortable for swimming and other water activities. So don your swimsuit, grab your beach towel, and head out to experience the bliss of San Diego’s beaches in September!

What to Pack for San Diego in September

When it comes to packing for a trip to San Diego in September, it’s important to consider the weather and the casual style of the city. Here are some essential items to include in your suitcase:

  • Shorts: Pack a couple of pairs of shorts for daytime activities and beach outings.
  • Lightweight tops: Bring a variety of casual tops that can be easily paired with shorts or jeans.
  • Swimsuit and cover-up: Don’t forget to pack your swimwear for beach days.
  • Light jacket or sweater: Even though the days are warm, the evenings can be cooler, so it’s good to have a light layer.
  • Comfortable shoes: Opt for comfortable shoes that are suitable for walking and exploring.
  • Sunscreen and hat: Protect yourself from the sun by packing sunscreen and a hat.
  • Beach essentials: Bring items like towels, flip flops, and a beach bag for your beach outings.
  • Nice outfit: Include a nice outfit for any evening outings or dinners.
  • Accessories: Don’t forget to pack sunglasses and any other accessories you may need.

Overall, it’s best to pack light and comfortable clothing that allows you to enjoy all the activities and attractions that San Diego has to offer. Don’t forget to check the weather forecast before your trip and pack accordingly. Embrace the casual beach town style and make sure to include everything you need for a memorable visit to San Diego in September.

Where to Shop for San Diego Style

If you’re looking to enhance your San Diego style or purchase some new clothing items, there are several places where you can shop in the city. San Diego offers a diverse range of shopping options, from well-known fashion retailers to local boutiques and beachwear stores. Whether you’re in search of trendy pieces or affordable fashion, you’ll find something to suit your style.

Popular Fashion Retailers

  • Zara: Zara is a popular international fashion retailer known for its stylish and on-trend clothing. With a wide range of options for men, women, and children, Zara offers fashionable pieces that cater to different styles and budgets.
  • H&M: H&M is another well-known fashion retailer that offers affordable and trendy clothing. From basics to statement pieces, H&M has a variety of options for individuals looking to update their wardrobe.
  • Abercrombie: Abercrombie is a brand that specializes in casual, preppy clothing. With an emphasis on quality and style, Abercrombie offers a range of clothing options that exude a laid-back San Diego vibe.

Local Boutiques and Beachwear Stores

In addition to popular fashion retailers, San Diego is home to numerous local boutiques and beachwear stores. These smaller, independent shops offer unique and often handcrafted items that reflect the local style and culture. Along the coast, you’ll find a variety of beachwear stores that offer swimsuits, cover-ups, and accessories perfect for a day at the beach.

Online Retailers

If you prefer the convenience of online shopping, there are several reputable online retailers that offer a wide selection of clothing and accessories. Revolve is a popular online destination for fashion-forward individuals, offering a curated collection of designer brands. Summersalt specializes in swimwear and beachwear, offering stylish options for those looking to make a statement by the water.

Whether you’re seeking casual beachwear, trendy evening attire, or unique pieces that capture the essence of San Diego style, the city offers a variety of shopping options to meet your needs. Whether you’re exploring well-known fashion retailers, browsing local boutiques, or shopping online, you’ll find the perfect items to enhance your San Diego style.

Tips for Packing and Organization

When it comes to packing and organization for your trip to San Diego, I’ve got you covered. Here are a few tips to help you stay organized and make the packing process easier:

  • Categorize your clothes: Before packing, categorize your clothes by type (e.g., shorts, dresses, tops) to make it easier to see what you have and eliminate any unnecessary items.
  • Use packing cubes: Packing cubes are a great way to keep your belongings organized and compact. They can also make it easier to unpack and find items in your suitcase.
  • Consider the weather: Be sure to check the weather forecast for your trip and pack accordingly. While San Diego has mostly warm and sunny weather, it’s always a good idea to bring a light jacket or sweater for cooler evenings.
  • Don’t forget essentials: Remember to pack essentials like underwear, socks, and toiletries, as well as any necessary accessories like sunglasses and hats.

With these tips in mind, you can pack efficiently and ensure that you have everything you need for your trip to San Diego.

Tip Description
Categorize your clothes Organize your clothes by type to easily see what you have and eliminate unnecessary items.
Use packing cubes Keep your belongings organized and compact using packing cubes.
Consider the weather Check the weather forecast and pack accordingly, including a light jacket or sweater for cooler evenings.
Don’t forget essentials Pack underwear, socks, toiletries, sunglasses, and hats to ensure you have all the essentials.


San Diego in September is a destination that promises a perfect blend of adventure, relaxation, and vibrant experiences. With its abundance of attractions and activities, you’ll never run out of things to do in this beautiful city. From exploring iconic beaches and attending exciting events to indulging in delicious cuisine during San Diego Restaurant Week, there is something to suit every interest.

As you plan your trip, keep in mind the casual and laid-back style of San Diego. Opt for comfortable clothing that allows you to fully enjoy the beach town atmosphere. Pack essentials like shorts, lightweight tops, a swimsuit, and a light jacket or sweater for cooler evenings. Don’t forget your sun protection, as the sunny weather is perfect for beach outings and outdoor adventures.

Remember to organize your packing efficiently by categorizing your clothes and using packing cubes. This will help keep your belongings neat and accessible throughout your trip. By following these tips and being prepared, you can make the most out of your visit to San Diego in September and create lasting memories in this vibrant and welcoming city.


What should I wear when visiting San Diego in September?

San Diego has a casual beach town style, so comfortable and casual clothing is recommended. Opt for denim shorts, sandals, lightweight tops, and don’t forget to pack a light jacket or sweater for cooler evenings.

What is the weather like in San Diego in September?

In September, San Diego experiences warm and pleasant weather. The average high temperature is around 77°F (25°C), while the average low temperature is around 66°F (19°C). The days are generally sunny, but there may be some overcast mornings due to the “May Gray” and “June Gloom” phenomenon.

What events are happening in San Diego in September?

San Diego hosts a variety of events in September, including the San Diego Restaurant Week, Surf Dog Surf-A-Thon, CRSSD Festival, and the Miramar Air Show. These events offer entertainment and excitement for both locals and tourists.

Can I visit the beaches in San Diego in September?

Absolutely! September is a great time to visit San Diego’s beautiful beaches. The weather is still warm, with temperatures averaging in the high 70s°F (around 25°C), making it perfect for beach activities. Just keep in mind that the ocean temperature may start to cool off towards the end of the month.

What should I pack for a trip to San Diego in September?

When packing for San Diego in September, include items like shorts, lightweight tops, a swimsuit and cover-up, a light jacket or sweater, comfortable shoes, sunscreen and a hat, beach essentials, a nice outfit, and any accessories you may need. Pack light and comfortable clothing that allows you to enjoy all the activities and attractions.

Where can I shop for clothing in San Diego for my September trip?

There are several places where you can shop in San Diego for clothing, including popular options like Zara, H&M, and Abercrombie. You can also find stylish and affordable clothing at local boutiques and beachwear stores along the coast. Online retailers like Revolve and Summersalt offer a wide range of bathing suits and beachwear options as well.

What are some packing and organization tips for a trip to San Diego?

To stay organized and make the packing process easier, categorize your clothes by type, use packing cubes to keep your belongings organized, consider the weather forecast, remember to pack essentials like underwear and toiletries, and don’t forget any necessary accessories. These tips will help ensure that you have everything you need for your trip to San Diego.

What can I expect when visiting San Diego in September?

When visiting San Diego in September, you can expect a wide range of activities, attractions, and pleasant weather. Whether you’re exploring the beaches, attending events and festivals, or simply enjoying the casual and laid-back atmosphere of the city, there’s something for everyone to enjoy.

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