Events in Seattle in September 2026
Seattle has 12 sourced events in September 2026. Compare dates, venues, and ticket sources below, then build the rest of your trip around the events you choose.
The Seattle calendar for September 2026 leads with these:
- Tame Impala with Dominic FikeSep 1Climate Pledge Arena · Source: SeatGeek
- Nitzer EbbSep 1Neumos · Source: SeatGeek
- OseesSep 2Neumos · Source: SeatGeek
By TripSapien Research · Updated May 20, 2026
Sourced events
- Sep 3
- Sep 3
- Sep 4
- Sep 5 - Sep 6
Seattle. Now in its fourth decade, Bumbershoot (a oldie time word for umbrella) is more of an institution than a music festival.
Source: festival calendar
- Sep 5
- Sep 6
- Sep 6
- Sep 7
- Sep 7
Going to Seattle 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.
- Sep 4 - Sep 6
Night Market & Autumn Moon Festival 2026
A vibrant Chinese cultural festival featuring traditional food, outdoor markets, and celebrations of the Mid-Autumn Moon in Seattle's Chinatown-International District.
Planning lead · details firm up closer in · Source: festival research
Holidays, observances & long weekends
Holiday and observance schedules can affect services and venue hours; confirm each place directly.
- Labour Day · publicSep 7
- Long weekendSep 5–Sep 7
Holiday data: date-holidays (ISC/CC-BY-3.0).
Ready to plan Seattle?
Turn these September events into a full Seattle plan, every place checked for closures, limited hours, and booking needs on your dates.