Weather in Idaho Falls in September

The weather in Idaho Falls in September is variable, when the days are comfortable with over 26 degrees, while it might get colder when night falls with less than 5 degrees on average. Also, there are around 8 days of rain, so it is advisable to take appropriate clothes.
Avg Temp
5° - 26°
Avg Rainy Days
8
Avg Dry Days
22
Avg Snow Days
0

Weather Facts - Idaho Falls in September

* The warmest temperature recorded in in September is 36°C
* The coldest temperature recorded in Idaho Falls in September is (-6°C)
* The average rainfall in Idaho Falls in September is 20 mm

Average Temperature in Idaho Falls