
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 17.6C and lows near 10.1C. 75.4mm average precipitation and about 12 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 13.9C, with lows near 10.1C and highs around 17.6C.
Sunshine Hours
Porvoo, Finland usually gets around 8.8 hours of sunshine per day in September, with roughly 12.9 daylight hours available for sightseeing.
Rain
September sees around 75.4mm of rainfall over about 12 days. Rain can occur for around 4.1 hours per day on average.











