🇺🇸
Portland Weather in September
United States · early fall in Northern Hemisphere
Portland in the Willamette Valley between the Coast Range and Cascades has a classic Pacific Northwest marine climate. The city is famous for its mild, rainy winters and warm, sunny summers. The 2021 Heat Dome brought temperatures to 116°F, shattering records and causing hundreds of deaths — an extreme event showing climate change impacts on a city with minimal air conditioning.
Excellent shoulder season — warm with fewer tourists in many destinations.
Current Weather in Portland Right Now
40°F
Clear Sky
Feels like 40°F · H 43°F / L 37°F