Events in Costa Mesa — September 2026

Frequently Asked Questions

What's happening in Costa Mesa in September 2026?

There are 5 events in Costa Mesa, California in September 2026, including Steve Aoki w/ Tyga at Pacific Amphitheatre (7:00 PM), Black Tiger Sex Machine at Time Nightclub (10:00 PM), Boy George w/ Culture Club at Pacific Amphitheatre (7:30 PM), Gravagerz at Time Nightclub (10:00 PM). Browse the full September 2026 calendar on VenuNite.

Are there free things to do in Costa Mesa in September 2026?

Yes — 4 of the listed September 2026 events in Costa Mesa are free, including concerts, open mics, and community events. Filter by price on the list above.

How do I find events in Costa Mesa for a specific date in September 2026?

VenuNite lists every upcoming event in Costa Mesa, California with date filters. Use the date picker on this page to narrow September 2026 down to a single day or weekend.