Weather in September 2025

Saint Petersburg weather in September 2025

The temperatures in Saint Petersburg in September are quite cold with temperatures between 9°C and 15°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Saint Petersburg during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Saint Petersburg in September 2025.

If you’re planning to visit Saint Petersburg in the near future, we highly recommend that you review the 14 day weather forecast for Saint Petersburg before you arrive.

Temperatures
Temperatures
15° / 9°
Rainy Days
Rainy Days
5
Snowy Days
Snowy Days
0
Dry Days
Dry Days
25
Rainfall
Rainfall
60
mm
7.8
Sun Hours
7.8
Hrs

Saint Petersburg annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -5° / -9° 4 4 23 50 mm
Awful
February -3° / -8° 3 3 23 60 mm
Awful
March 0° / -5° 7 5 20 50 mm
Awful
April 8° / 1° 7 14 9 63 mm
Awful
May 16° / 7° 6 24 1 63 mm
Good
June 20° / 11° 5 25 0 73 mm
Good
July 23° / 14° 5 26 0 83 mm
Perfect
August 21° / 13° 6 25 0 101 mm
Good
September 15° / 9° 5 25 0 60 mm
Good
October 8° / 3° 8 19 5 65 mm
Awful
November 3° / 0° 8 13 10 66 mm
Awful
December -2° / -5° 6 5 22 61 mm
Awful
Temperatures in Saint Petersburg in September
Rain in Saint Petersburg in September

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Weather in Saint Petersburg in September - FAQ

What is the average temperature in Saint Petersburg in September?
The average temperature in Saint Petersburg in September is 9/15° C.
What is the chance of rain in Saint Petersburg in September?
On average, there are 5 rainy days in Saint Petersburg during September.
Weather wise, is September a good time to visit Saint Petersburg?
The weather in Saint Petersburg in September is good.
Can it snow in Saint Petersburg in September?
On average, there are 0 snowy days in Saint Petersburg in September.
More about the weather in Saint Petersburg