Events in Seattle in September 2027
Seattle has 4 sourced events in September 2027. Compare dates, venues, and ticket sources below, then build the rest of your trip around the events you choose.
The Seattle calendar for September 2027 leads with these:
- Sienna Spiro: My House Tour (Extended)Sep 2WAMU Theater · Source: Ticketmaster
- Sienna SpiroSep 2WaMu Theater · Source: SeatGeek
- Kings of LeonSep 15Climate Pledge Arena · Source: Ticketmaster
By TripSapien · Updated November 11, 2026
Sourced events
- Sep 15
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.
- Dates unconfirmed
Night Market & Autumn Moon Festival
Chinese festival of food and outdoor market.
Planning lead · details firm up closer in · Source: seasonal calendar
- Sep 4 - Sep 5
Seattle. Now in its fourth decade, Bumbershoot (a oldie time word for umbrella) is more of an institution than a music festival.
Planning lead · projected date · Source: festival calendar
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 Seattle?
Turn these September events into a full Seattle plan, every place checked for closures, limited hours, and booking needs on your dates.