Saint Petersburg
September
Weather in Saint Petersburg for September 2027
Your guide to Saint Petersburg weather in September - trends and predictions
In general, the average temperature in Saint Petersburg at the beginning of September is 20.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.4 °C by the end of September.
Saint Petersburg experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 24.4 mm.
Temperatures
Rain 🌧️
23
Dry days
7
Rainy days
0
Snow days
19°/10°
Temperatures
16 km/h
Avg max wind
72 %
Avg humidity
Saint Petersburg Weather September
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Temperatures trend during September in Saint Petersburg
See the weather trend as well as the moving average line
September weather in Saint Petersburg day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Mist | 20° /12° | 1.8 mm | 4 | |
| 2 Sept. |  Cloudy | 21° /11° | 0.2 mm | 4 | |
| 3 Sept. |  Moderate or heavy rain shower | 21° /11° | 4.2 mm | 5 | |
| 4 Sept. |  Partly cloudy | 20° /11° | 6.8 mm | 4 | |
| 5 Sept. |  Patchy rain possible | 21° /12° | 0.4 mm | 4 | |
| 6 Sept. | Cloudy | 20° /10° | 0.2 mm | 4 | |
| 7 Sept. |  Sunny | 20° /9° | 0 mm | 5 | |
| 8 Sept. | Sunny | 21° /10° | 0 mm | 4 | |
| 9 Sept. | Partly cloudy | 23° /11° | 0.6 mm | 5 | |
| 10 Sept. | Partly cloudy | 22° /12° | 3 mm | 5 | |
| 11 Sept. | Patchy rain possible | 21° /11° | 0.8 mm | 5 | |
| 12 Sept. | Sunny | 21° /12° | 0.2 mm | 5 | |
| 13 Sept. | Cloudy | 21° /12° | 3.8 mm | 4 | |
| 14 Sept. |  Moderate rain | 21° /10° | 2.1 mm | 5 | |
| 15 Sept. |  Overcast | 19° /9° | 0.1 mm | 4 | |
| 16 Sept. | Partly cloudy | 20° /10° | 0.8 mm | 4 | |
| 17 Sept. | Light rain shower | 19° /11° | 2 mm | 3 | |
| 18 Sept. | Mist | 17° /9° | 0.8 mm | 3 | |
| 19 Sept. | Patchy rain possible | 18° /9° | 2.8 mm | 4 | |
| 20 Sept. |  Light rain | 17° /11° | 3.5 mm | 3 | |
| 21 Sept. | Patchy rain possible | 18° /10° | 1.2 mm | 4 | |
| 22 Sept. | Cloudy | 17° /7° | 0.4 mm | 3 | |
| 23 Sept. | Patchy rain possible | 16° /8° | 1.3 mm | 3 | |
| 24 Sept. | Light rain shower | 16° /8° | 2.8 mm | 3 | |
| 25 Sept. | Overcast | 16° /8° | 0.1 mm | 3 | |
| 26 Sept. | Overcast | 16° /9° | 0.8 mm | 3 | |
| 27 Sept. | Patchy rain possible | 16° /9° | 3 mm | 3 | |
| 28 Sept. | Mist | 16° /9° | 0.4 mm | 3 | |
| 29 Sept. | Sunny | 15° /6° | 0.4 mm | 3 | |
| 30 Sept. | Overcast | 13° /6° | 1.3 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Saint Petersburg in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint Petersburg forecast closer to your planned date for the most up-to-date weather information.
Change Month
Saint Petersburg in September - FAQ
What are the expected maximum and minimum temperatures in Saint Petersburg during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint Petersburg during September?
In September, Saint Petersburg can expect light to moderate rainfall, totaling 24.4 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Saint Petersburg during September?
The average wind speed in Saint Petersburg during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Saint Petersburg
Explore the daily rainfall trends and prepare for Saint Petersburgs September weather 💧
Typically, Saint Petersburg has 7 rainy days in September with a total of 24.4 mm of rainfall.
UV exposure in Saint Petersburg during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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