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