Omsk weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: May – August
What is the weather like in Omsk in September?
In September, Omsk is cool: daytime highs average 16 °C, and nights cool down to about 7 °C. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 33 mm. All in all, September is a good month for a holiday in Omsk.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 83 | 69 | 24 |
| Day | 22° | 16° | 7° |
| Night | 13° | 7° | 0° |
| Sun | 8 h | 6 h | 4 h |
| Rain days | 11 | 8 | 8 |
More details for September
- Daylight
- 12 h 50 min06:37 – 19:27
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 65 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+6Asia/Omsk
How the score comes together
- Temperatureweight 50 %75 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 30 %74 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- A jumper for the evenings
Omsk in September: quick answers
Is Omsk hot in September?
No. In September, Omsk is cool: daytime highs average 16 °C and nights drop to about 7 °C.
Does it rain much in Omsk in September?
Rain falls on about 8 days, adding up to 33 mm.
Omsk month by month
The whole year in OmskAll destinations: RussiaWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences