Weather in Naperville in September

Naperville temperatures in September range from 12 to 25 and there is an average of 12 days of rain.
Avg Temp
12° - 25°
Avg Rainy Days
12
Avg Dry Days
18
Avg Snow Days
0

Weather Facts - Naperville in September

* The warmest temperature recorded in in September is 36°C
* The coldest temperature recorded in Naperville in September is (-2°C)
* The average rainfall in Naperville in September is 86 mm

Average Temperature in Naperville