Seattle in September
A great time to visit. The best months for Seattle are June, July, August and September. In September, mild, a mix of layers and a light jacket works well; mostly dry with the odd shower.
Weather and what to pack
In September, Seattle is typically mild, a mix of layers and a light jacket works well; mostly dry with the odd shower. Average temperatures sit around 17°C with about 36mm of rain across the month.
Things to do in Seattle in September
Highlights from Wikipedia and OpenStreetMap.
Want these arranged into days? See the full 3 days Seattle itinerary →
Seattle in September: FAQ
Is September a good time to visit Seattle?+
A great time to visit. Seattle's best months are generally June, July, August and September.
What is the weather like in Seattle in September?+
Expect average temperatures around 17°C. Rainfall averages about 36mm for the month. In short, mild, a mix of layers and a light jacket works well; mostly dry with the odd shower.
What should I pack for Seattle in September?+
Based on the typical September weather: mild, a mix of layers and a light jacket works well; mostly dry with the odd shower.
What is there to do in Seattle in September?+
Popular things to do include Forterra, 901 Fifth Avenue, Fountain of Wisdom and Seattle Central Library. There is a longer list below, or you can generate a full plan.