Average data for 10 years
1 September
Sunday
+18°
+12°
2 September
Monday
+12°
+10°
3 September
Tuesday
+13°
+8°
4 September
Wednesday
+13°
+8°
5 September
Thursday
+11°
+8°
6 September
Friday
+10°
+7°
7 September
Saturday
+11°
+5°
8 September
Sunday
+11°
+6°
9 September
Monday
+11°
+7°
10 September
Tuesday
+12°
+6°
11 September
Wednesday
+13°
+8°
12 September
Thursday
+10°
+7°
13 September
Friday
+9°
+5°
14 September
Saturday
+10°
+4°
15 September
Sunday
+9°
+5°
16 September
Monday
+10°
+5°
17 September
Tuesday
+9°
+5°
18 September
Wednesday
+9°
+4°
19 September
Thursday
+8°
+5°
20 September
Friday
+7°
+2°
21 September
Saturday
+8°
+3°
22 September
Sunday
+7°
+4°
23 September
Monday
+6°
+3°
24 September
Tuesday
+6°
+3°
25 September
Wednesday
+3°
+2°
26 September
Thursday
+4°
0°
27 September
Friday
+6°
+1°
28 September
Saturday
+6°
+2°
29 September
Sunday
+5°
+2°
30 September
Monday
+4°
+1°
In September, the weather in Ust-Ilimsk is typically cold. Average daily high temperature in September is about 9 degrees above zero. On average, Ust-Ilimsk has 13 rainy, 7 cloudy, 6 sunny, and 4 partly cloudy days in September. The rains are usually light. September as well as January, February, April, and May is considered the most uncomfortable time to visit Ust-Ilimsk.