Is Irkutsk hot in September?
Days are typically cool at 16°C, while nights average 4.5°C.
Russia · 1991–2020 normal
Irkutsk in
September.
Typical September weather in Irkutsk: 16°C by day, 4.5°C at night, 53 mm of rain over 8.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high16°C
Typical low4.5°C
Rain53 mm
Wet days8.5
In the year-round weather comparison, September scores 47 out of 100 (June leads the year at 81). Daylight is calculated as 12 h 35 from latitude 52.30°.
September at a glance
What is Irkutsk like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 53 mm across about 9 wet days.
How much daylight is there?
There are about 12 h 35 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 5 of 12 in our weather comparison; June ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2023469
- NOAA station
- RSM00030710 · IRKUTSK
- Station distance
- 5.2 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Irkutsk is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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