Russia (Central Asia) weather in September 2025

Expect 15°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Russia (Central Asia) in September. Check more long-term weather averages for Russia (Central Asia) in September before you book your next holiday to Russia (Central Asia) in 2025/2026.

  • 15°C maximum daytime temperature in September in Russia (Central Asia) (Irkutsk)15
    15°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in September in Russia (Central Asia) (Irkutsk)11
    11 days with some rainfall
  • 3°C minimum night-time temperature in September in Russia (Central Asia) (Irkutsk)3
    3°C min night temperature
  • 13 hours of daylight per day in September in Russia (Central Asia) (Irkutsk)13
    13 hours of daylight per day
  • No heat & humidity in September in Russia (Central Asia) (Irkutsk)0
    No heat & humidity
  • 55 mm monthly rainfall in September in Russia (Central Asia) (Irkutsk)55
    55 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Russia (Central Asia) (Irkutsk)3
    3 (Moderate) UV index

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The September weather guide for Russia (Central Asia) (Irkutsk) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Russia (Central Asia) destinations

Below are average maximum temperatures at popular countries, regions and places in Russia (Central Asia) in September. Select a holiday destination to see more weather parameters.

All Russia (Central Asia) destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in Russia (Central Asia) in September?

Daytime temperatures usually reach 15°C in Irkutsk, Russia (Central Asia) in September, falling to 3°C at night.

How sunny is it in Russia (Central Asia) in September?

There are normally 6 hours of bright sunshine each day in Irkutsk, Russia (Central Asia) in September - that's 50% of daylight hours.

Does it rain in Russia (Central Asia) in September?

There are usually 11 days with some rain in Irkutsk, Russia (Central Asia) in September and the average monthly rainfall is 55mm.

Russia (Central Asia) September sunrise & sunset times

Browse the sunrise and sunset times for Russia (Central Asia) in September 2025. Select a month to view Russia (Central Asia) sunrise and sunset times for the next 12 months. The Russia (Central Asia) sunrise and sunset times shown below are for Irkutsk.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:14 19:51
Monday, 15th September 2025 06:37 19:18
Tuesday, 30th September 2025 07:02 18:43

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