Weather in Butte in September
The weather in Butte in September is variable, when the days are comfortable with over 24 degrees, while it might get colder when night falls with less than 6 degrees on average. Also, there are around 9 days of rain, so it is advisable to take appropriate clothes.
Avg Temp
6° - 24°
Avg Rainy Days
9
Avg Dry Days
21
Avg Snow Days
0
Weather Facts - Butte in September
* The warmest temperature recorded in in September is 36°C
* The coldest temperature recorded in Butte in September is (-7°C)
* The average rainfall in Butte in September is 22 mm