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
Full weather report for today ››

Weather forecast for the next 14 days ››

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

Yearly Average for Naperville

Max Temp
Min Temp
Rainy Days
Jan.
2°
(-8°)
13
Feb.
3°
(-7°)
11
March
9°
(-2°)
15
April
16°
4°
16
May
22°
9°
16
June
28°
14°
15
July
30°
18°
14
August
28°
17°
14
Sep.
25°
12°
12
Oct.
18°
6°
13
Nov.
10°
0°
15
Dec.
3°
(-6°)
14

Average Temperature in Naperville