when is bumbershoot
The 47th annual Bumbershoot will be held at the Seattle Center from September 1-3. Bumbershoot Festival 2017 Dates. September 1-3, 2017 @ Seattle Center in Seattle, WA. Bumbershoot Festival Tickets. Click here to view a full listing of Bumbershoot festival tickets. Bumbershoot Festival Lineup 2017 Music