
Grisons in September
Grisons in September
Grisons, Switzerland
Visiting Grisons in September means experiencing the autumn. During autumn, Grisons offers crisp air, changing colours, and a cosy atmosphere.
Weather in Grisons in September
Average highs around 20C and lows near 8.6C. 92.9mm 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 Grisons. Pack flexible layers for changing daytime and evening temperatures.
Temperature
September brings autumn conditions in Grisons, Switzerland. The average temperature is about 14.3C, with lows near 8.6C and highs around 20C.
Sunshine Hours
Grisons, Switzerland usually gets around 9.6 hours of sunshine per day in September, with roughly 12.5 daylight hours available for sightseeing.
Rain
September sees around 92.9mm of rainfall over about 12 days. Rain can occur for around 5.1 hours per day on average.





