Average data for 10 years
1 September
Sunday
+25°
+22°
2 September
Monday
+25°
+21°
3 September
Tuesday
+23°
+21°
4 September
Wednesday
+23°
+20°
5 September
Thursday
+24°
+19°
6 September
Friday
+24°
+21°
7 September
Saturday
+23°
+20°
8 September
Sunday
+22°
+19°
9 September
Monday
+22°
+19°
10 September
Tuesday
+22°
+19°
11 September
today
+23°
+18°
12 September
tomorrow
+21°
+18°
13 September
Friday
+22°
+18°
14 September
Saturday
+21°
+18°
15 September
Sunday
+20°
+18°
16 September
Monday
+22°
+17°
17 September
Tuesday
+22°
+18°
18 September
Wednesday
+21°
+18°
19 September
Thursday
+24°
+18°
20 September
Friday
+23°
+20°
21 September
Saturday
+22°
+18°
22 September
Sunday
+23°
+18°
23 September
Monday
+21°
+19°
24 September
Tuesday
+21°
+18°
25 September
Wednesday
+21°
+18°
26 September
Thursday
+20°
+17°
27 September
Friday
+20°
+16°
28 September
Saturday
+18°
+17°
29 September
Sunday
+17°
+15°
30 September
Monday
+17°
+14°
Cities with similar weather in September
Bulgaria
Burgas
Bulgaria
Varna
Montenegro
Tivat
Bulgaria
The Sunny Beach
In September, the weather in Chicago is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, Chicago has 18 sunny, 8 partly cloudy, and 4 rainy days in September. The rains are usually light. September as well as July and August is considered the most comfortable time to visit Chicago.