
Porvoo in September
Porvoo in September
Porvoo, Finland
Visiting Porvoo in September means experiencing the autumn. During autumn, Porvoo offers crisp air, changing colours, and a cosy atmosphere.
Weather in Porvoo in September
Average highs around 16.2C and lows near 9.1C. 68.7mm average precipitation and about 10 rainy days. September typically sits between August and October conditions, so it is useful for travelers wanting a balanced window in Porvoo. Pack flexible layers for changing daytime and evening temperatures.
Temperature
September brings autumn conditions in Porvoo, Finland. The average temperature is about 12.6C, with lows near 9.1C and highs around 16.2C.
Sunshine Hours
Porvoo, Finland usually gets around 8.2 hours of sunshine per day in September, with roughly 12.9 daylight hours available for sightseeing.
Rain
September sees around 68.7mm of rainfall over about 10 days. Rain can occur for around 4 hours per day on average.
Humidity
Humidity in September is generally moderate for Porvoo, Finland, especially when rainfall periods increase.











