Average data for 10 years
1 September
Monday
+21°
+9°
2 September
Tuesday
+20°
+9°
3 September
Wednesday
+18°
+8°
4 September
Thursday
+17°
+7°
5 September
Friday
+18°
+7°
6 September
Saturday
+17°
+7°
7 September
Sunday
+17°
+7°
8 September
Monday
+16°
+6°
9 September
Tuesday
+16°
+6°
10 September
Wednesday
+16°
+5°
11 September
Thursday
+16°
+6°
12 September
Friday
+18°
+6°
13 September
Saturday
+17°
+6°
14 September
Sunday
+16°
+5°
15 September
Monday
+15°
+5°
16 September
Tuesday
+15°
+4°
17 September
Wednesday
+15°
+4°
18 September
Thursday
+15°
+4°
19 September
Friday
+15°
+4°
20 September
Saturday
+15°
+5°
21 September
Sunday
+15°
+4°
22 September
Monday
+15°
+3°
23 September
Tuesday
+15°
+3°
24 September
Wednesday
+14°
+3°
25 September
Thursday
+13°
+3°
26 September
Friday
+11°
+1°
27 September
Saturday
+11°
+1°
28 September
Sunday
+12°
+1°
29 September
Monday
+12°
+1°
30 September
Tuesday
+9°
0°
In September, the weather in Irkutsk is typically warm. Average daily high temperature in September is about 15 degrees above zero. On average, Irkutsk has 10 rainy, 9 sunny, 9 partly cloudy, and 2 cloudy days in September. The rains are usually moderate.