Events in San Diego in September 2025

Events happening in San Diego during September 2025. Here you can find out where the best parties are for San Diego in September 2025. Let our LOCAL EXPERTS help you find events by date, type or location. Visit My Guide San Diego.

Book Top Experiences and Tours in San Diego:
If youʻre booking your trip to San Diego last minute, we have you covered. Below are some of the top tours and experiences!
View All Experiences