Question: things to do in seattle washington in september?
Answer: Bumbershoot – September 1-3. ... 
Washington State Fair – September 1-24 (closed Tuesdays) ... 
Cider Summit Seattle – September 8-9. ... 
Night Market & Autumn Moon Festival – September 9. ... 
Hops & Crops – September 16. ... 
Luminata Parade of Lights – September 21. ... 
Fremont Oktoberfest – September 22-24. ... 
Fishermen's Fall Festival – September 23.