Measurements:
°C
°F
CURRENT WEATHER
14:53
Irkutsk
70°F
NW 4 mph
Feels like: 70°F
Precip: 10%
World Resorts Russia Irkutsk Weather

7 Day Weather Forecast

09.15
tue
DAY
62°F
NW 6 mph
precip
9%
NIGHT
58°F
NW 4 mph
precip
15%
09.16
wed
DAY
58°F
SE 9 mph
precip
38%
NIGHT
54°F
NE 2 mph
precip
31%
09.17
thu
DAY
48°F
SE 5 mph
precip
39%
NIGHT
50°F
N 1 mph
precip
15%
09.18
fri
DAY
56°F
S 4 mph
precip
4%
NIGHT
56°F
N 2 mph
precip
25%
09.19
sat
DAY
46°F
NW 1 mph
precip
30%
NIGHT
40°F
E 3 mph
precip
16%
09.20
sun
DAY
50°F
SE 3 mph
precip
4%
NIGHT
48°F
NW 2 mph
precip
23%
09.21
mon
DAY
50°F
S 5 mph
precip
13%
NIGHT
50°F
S 3 mph
precip
16%

Irkutsk Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Irkutsk was 15.0°F. The maximum and minimum values were 13.0°F and 17.0°F respectively.

Irkutsk on the Weather Map

Best Time to Visit Irkutsk
The most sunny months:
June 16 days
July 16 days
August 15 days
The most warm months:
July 79.2 °F
June 75.0 °F
August 73.2 °F
Warmest sea temperature:
August 60.3 °F
July 55.3 °F
September 54.7 °F
The most cold months:
January -2.1 °F
December 2.7 °F
February 5.9 °F
The most rainy months:
May 3 days
July 3 days
August 3 days
The most windy months:
May 7 mph
April 6 mph
June 6 mph
more details