31 things to do in Costa Mesa, California this month
September 2026 in Costa Mesa, California brings 31 live events across the city, led by music (27), festival (4). 2 events are explicitly listed as free. Here's what's on.
Music (27)Festival (4)
All September 2026 Events
Frequently Asked Questions
What's happening in Costa Mesa in September 2026?
There are 31 events in Costa Mesa, California in September 2026, including Open Mic Night with Chris Cruz at The Wayfarer, Wall of Sound : Grateful Dead Tribute at The Wayfarer (8:00 PM), Costa Mesa Certified Farmers' Market — Thursday at Costa Mesa Certified Farmers' Market, Sega Genecide at The Wayfarer. Browse the full September 2026 calendar on VenuNite.
Are there free things to do in Costa Mesa in September 2026?
Yes — 2 September 2026 events are explicitly listed as free in Costa Mesa. Confirm current entry details on the event page or organizer source.
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.