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La Jolla Cove and the coastline from above, San Diego

Events in San Diego in September 2027

San Diego has 1 sourced event in September 2027. Compare dates, venues, and ticket sources below, then build the rest of your trip around the events you choose.

The San Diego calendar for September 2027 leads with these:

Plan San DiegoFree and No sign-up

By TripSapien · Updated November 1, 2026

Going to San Diego in September?

Add your dates and we'll build the rest of your trip around these events — every place checked for closures and booking needs.

Planning leads

Early leads on events still lining up. Exact dates and details firm up closer to your trip.

Holidays, observances & long weekends

Holiday and observance schedules can affect services and venue hours; confirm each place directly.

  • Labour Day · publicSep 6
  • Long weekendSep 4–Sep 6

Holiday data: date-holidays (ISC/CC-BY-3.0).

Ready to plan San Diego?

Turn these September events into a full San Diego plan, every place checked for closures, limited hours, and booking needs on your dates.

San Diego guide

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Nearby event pages