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