Weather in Sion in September

Sion temperatures in September range from 10 to 21 and there is an average of 10 days of rain.
Avg Temp
10° - 21°
Avg Rainy Days
10
Avg Dry Days
20
Avg Snow Days
0

Weather Facts - Sion in September

* The warmest temperature recorded in in September is 29°C
* The coldest temperature recorded in Sion in September is 1°C
* The average rainfall in Sion in September is 46 mm

Average Temperature in Sion