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