With both tourists as well as locals wanting to explore the best of San Diego and very little chance of rain, September is probably one of the best months to visit this city.

During September, one can enjoy various concerts, military air shows, restaurant week, and fall harvest.

Since the weather is quite pleasant and usually not too cold and there are great deals on travel available to everyone, you can enjoy every event to the fullest.

In September, many significant events and festivals take place that will make your stay worthwhile, including:

  • California Surfing Day
  • Wine Month
  • Festival of the Arts
  • Film Festival
  • 3D Art Expo

With most educational institutes starting to open up and kids returning to school, it may feel that there are fewer people on the roads, but it is still a popular tourist destination in September.

If you want to visit San Diego, enjoy every bit of it, and save some bucks on airfare making your trip affordable, then September is the perfect month.

San Diego’s Weather In September:

At the beginning of September, most days are warm to moderate, whereas in the middle and at the end of the month, the days get chilly.

The average high temperature is 76 °F or 25 °C and the average low temperature is 65 °F or 18 °C.

There is very little chance of rain during this month, and you might not experience it during your trip. Most days are sunny, and you might want to hit the beach, but evening and early mornings can get chilly.

What To Wear For Daytime Activities In San Diego?

September brings fun daytime events and festivals for everyone.

It is the ideal month for both locals and tourists to visit San Diego.

Since days are warm and sunny and the beach weather is perfect, you may want to hit the beach.

For all the San Diego Events taking place, the daytime weather is perfect.

You can explore many events and places, such as San Diego Water Park, which is normally open on the weekends.

You can also paddle out for the surfing day, which, according to Californians, is an official sport.

Other events and outdoor activities that you can be a part of are:

  • Design Week
  • Miramar Air Show
  • Earth Fair
  • California Wine Month
  • Restaurant Week
  • Jet Boat Tours
  • Outdoor Dining
  • Arts Walk
  • Sea World
  • Coast Walk

In terms of clothing, people of various ages can be seen wearing shorts, T-shirts, beachwear, and athleisure clothing, particularly around the beaches, during the day.

In San Diego, men rarely need to dress formally. A decent pair of trousers and a collared shirt while going out to eat will look appropriate.

Women can also wear casual clothes such as decent-looking jeans, skirts, and casual dresses that can transition from day to night.

Activewear can also be worn. Don’t forget to wear sunscreen, sunglasses, and a hat.

What To Wear For Nighttime Activities In San Diego?

The majority of tourists are drawn to San Diego because of its stunning beaches, fun festivals, and ideal weather.

San Diego in September offers a variety of entertaining attractions and outdoor activities.

The city is not only interesting during the day, but it also comes alive at night.

This means that the city offers a wide range of nighttime activities, including romantic beach walks, romantic dinners, and magic shows in general.

There are so many things you can do at night.

You can take a night tour with your loved ones, join a harbor cruise, go on a wine tour, explore the nighttime zoo, attend music concerts and ballets, go stargazing, or visit Belmont Park.

For such activities, you can dress casually. The weather is moderate to chilly at night. At the end of September, you might want to bring layers with you.

Both men and women can wear jeans, tees, button-down shirts, close-toed shoes, sneakers, etc.

Women can also wear casual dresses with either sandals or heels.

This month has a relatively low possibility of rain, so you might not see any while you are there.

But do bring a raincoat with you because it’s better safe than sorry.

Other Things You Should Pack For A September Holiday In San Diego:

With all there is to do in San Diego, from surfing to beachgoing, it’s understandable that packing for it can be challenging.

We have put together a simple guide to help you pack all the important items for your trip to San Diego.

  • Clothes (casual and activewear)
  • Layers
  • Rain gear
  • Toiletries
  • Medications
  • Sunscreen and sunglasses
  • Mobile phone, camera, charger, and earphones
  • Travel bag
  • Makeup products
  • Water bottle
  • Snacks
  • Books
  • Sanitizer and masks
  • Passport
  • Maps
  • Cards and other important documents

If you want to visit San Diego, enjoy every bit of it, and save some bucks on airfare making your trip affordable, then September is the perfect month.


Kristen Cavanaugh is a fashion author and blogger; she has been preparing fashion articles for different magazines over the years and apart from writing about contemporary fashion, Kristen also runs a clothing store that offers massive discounts on Name brands. She does agree that there is a big problem with how people dress, as people simply don’t know how to pair clothes to achieve the perfect look. According to Kristen putting on the right kinds of clothes will not only boost your confidence but will also enhance your personality, and for people to achieve the above they need information, the reason why she came up with the extensive and comprehensive excerpts on the different aspects as concerns fashion.