Weather in Russia for September 2025
Пожарная опасность - See hour by hour.
Until now, September 2025 in Russia is slightly cooler than the historical average by -1 °C.
The forecast for the next days in Russia predicts a temperature of 14.8 °C, which is cooler than the historical average.
In general, the average temperature in Russia at the beginning of September is 21.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.1 °C by the end of September.
Russia experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 29.2 mm.
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Russia Weather September
What’s the Weather Like in Russia This September?
Temperatures trend during September in Russia
September weather in Russia day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 20° /12° | 2.4 mm | 5 | |
| 2 Sept. |  Cloudy | 22° /11° | 0.1 mm | 5 | |
| 3 Sept. |  Moderate or heavy rain shower | 22° /11° | 4.1 mm | 6 | |
| 4 Sept. |  Partly cloudy | 22° /12° | 0.7 mm | 6 | |
| 5 Sept. | Patchy rain possible | 22° /13° | 0.2 mm | 5 | |
| 6 Sept. | Cloudy | 22° /11° | 0.1 mm | 5 | |
| 7 Sept. |  Sunny | 21° /10° | 0 mm | 6 | |
| 8 Sept. | Sunny | 22° /11° | 0 mm | 6 | |
| 9 Sept. | Partly cloudy | 23° /10° | 0 mm | 6 | |
| 10 Sept. | Partly cloudy | 24° /12° | 0 mm | 6 | |
| 11 Sept. | Partly cloudy | 23° /12° | 0.1 mm | 6 | |
| 12 Sept. | Sunny | 23° /13° | 0.2 mm | 6 | |
| 13 Sept. | Cloudy | 23° /13° | 0.6 mm | 6 | |
| 14 Sept. |  Moderate rain | 22° /11° | 2.5 mm | 5 | |
| 15 Sept. |  Overcast | 20° /10° | 0.1 mm | 5 | |
| 16 Sept. | Patchy rain possible | 18° /13° | 0.5 mm | 0.3 | |
| 17 Sept. | Partly cloudy | 17° /11° | 0.1 mm | 0.4 | |
| 18 Sept. | Patchy rain possible | 16° /9° | 0.2 mm | 0.5 | |
| 19 Sept. | Moderate rain | 15° /10° | 5.3 mm | 0.3 | |
| 20 Sept. | Patchy rain possible | 17° /9° | 0.3 mm | 0.2 | |
| 21 Sept. | Moderate rain | 15° /11° | 5.7 mm | 3 | |
| 22 Sept. | Patchy rain possible | 16° /10° | 0.3 mm | 3 | |
| 23 Sept. | Patchy rain possible | 15° /10° | 0.8 mm | 3 | |
| 24 Sept. | Partly cloudy | 13° /7° | 0 mm | 3 | |
| 25 Sept. | Sunny | 11° /4° | 0 mm | 3 | |
| 26 Sept. | Partly cloudy | 13° /3° | 0 mm | 3 | |
| 27 Sept. | Partly cloudy | 14° /6° | 0 mm | 3 | |
| 28 Sept. | Sunny | 14° /5° | 0 mm | 3 | |
| 29 Sept. | Partly cloudy | 13° /7° | 0.1 mm | 4 | |
| 30 Sept. | Light rain shower | 14° /8° | 2.7 mm | 4 | |
| Next | |||||
Guide for Russia in September
In Russia, September marks the transition from summer to autumn, bringing noticeable changes in weather patterns across the country. At the beginning of the month, the weather in Russia varies depending on the region. In Moscow and St.
Petersburg, temperatures typically range from 12° to 18°, with occasional rainfall and increasing cloud cover. In Siberia, particularly in cities like Novosibirsk and Irkutsk, temperatures can drop significantly, ranging from 8° to 15°, and there may be early signs of frost in some areas.
By the end of September, the weather in Russia experiences further cooling. In Moscow and St. Petersburg, temperatures tend to decrease to around 8° to 14°, and the likelihood of rain increases.
In Siberia, temperatures continue to drop, with cities like Novosibirsk and Irkutsk experiencing temperatures ranging from 5° to 12°. Additionally, the first snowfalls may occur in some parts of Siberia towards the end of the month.
Overall, September in Russia showcases the gradual transition from mild late summer conditions to cooler autumn weather, making it an ideal time to experience the changing landscapes and cultural attractions across the country.
Russia in September - FAQ
September rainfall patterns in Russia
UV exposure in Russia during September
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