Basel in September
Basel in September
Basel, Switzerland
Visiting Basel in September means experiencing the autumn. During autumn, Basel offers crisp air, changing colours, and a cosy atmosphere.
Weather in Basel in September
Average highs around 21.8C and lows near 11.9C. 49.5mm average precipitation and about 7 rainy days. September typically sits between August and October conditions, so it is useful for travelers wanting a balanced window in Basel. Pack flexible layers for changing daytime and evening temperatures.
Temperature
September brings autumn conditions in Basel, Switzerland. The average temperature is about 16.9C, with lows near 11.9C and highs around 21.8C.
Sunshine Hours
Basel, Switzerland usually gets around 9.7 hours of sunshine per day in September, with roughly 12.6 daylight hours available for sightseeing.
Rain
September sees around 49.5mm of rainfall over about 7 days. Rain can occur for around 2.4 hours per day on average.
Humidity
Humidity in September is generally dry for Basel, Switzerland, especially when rainfall periods increase.
