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