Portland in September
Portland in September
Portland, USA
Visiting Portland in September means experiencing the autumn. During autumn, Portland offers crisp air, changing colours, and a cosy atmosphere.
Weather in Portland in September
Average highs around 24.7C and lows near 12.9C. 54.8mm average precipitation and about 6 rainy days. September typically sits between August and October conditions, so it is useful for travelers wanting a balanced window in Portland. Pack flexible layers for changing daytime and evening temperatures.
Temperature
September brings autumn conditions in Portland, USA. The average temperature is about 18.8C, with lows near 12.9C and highs around 24.7C.
Sunshine Hours
Portland, USA usually gets around 9.8 hours of sunshine per day in September, with roughly 12.5 daylight hours available for sightseeing.
Rain
September sees around 54.8mm of rainfall over about 6 days. Rain can occur for around 2.4 hours per day on average.
Humidity
Humidity in September is generally dry for Portland, USA, especially when rainfall periods increase.
