Average data for 10 years
1 September
Sunday
+25°
+21°
2 September
Monday
+25°
+20°
3 September
Tuesday
+23°
+20°
4 September
Wednesday
+22°
+19°
5 September
Thursday
+24°
+18°
6 September
Friday
+24°
+20°
7 September
Saturday
+22°
+19°
8 September
Sunday
+22°
+18°
9 September
Monday
+23°
+18°
10 September
Tuesday
+20°
+19°
11 September
Wednesday
+22°
+17°
12 September
Thursday
+21°
+17°
13 September
Friday
+21°
+17°
14 September
today
+20°
+17°
15 September
tomorrow
+20°
+17°
16 September
Monday
+22°
+17°
17 September
Tuesday
+21°
+17°
18 September
Wednesday
+20°
+17°
19 September
Thursday
+23°
+17°
20 September
Friday
+22°
+19°
21 September
Saturday
+20°
+17°
22 September
Sunday
+22°
+17°
23 September
Monday
+20°
+18°
24 September
Tuesday
+20°
+17°
25 September
Wednesday
+21°
+17°
26 September
Thursday
+19°
+16°
27 September
Friday
+20°
+15°
28 September
Saturday
+17°
+15°
29 September
Sunday
+16°
+14°
30 September
Monday
+16°
+13°
In September, the weather in Waukegan is typically warm. Average daily high temperature in September is about 21 degrees above zero. On average, Waukegan has 20 sunny, 6 partly cloudy, and 4 rainy days in September. The rains are usually heavy. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Waukegan.