Swimming in Saint Petersburg in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Saint Petersburg in september 2025.
In september, according to seasonal norms, the sea temperature in Saint Petersburg is:
Minimum: 53°F
Average: 58°F
Maximum: 62°F
Other useful seasonal weather averages in september:
- Outside temperature: 53°F to 60°F
- Most common weather: "Partly Cloudy"
- The wind blows at 6.2mph
- It rains a total of 3.3in, over 5 day(s).
Should we swim in Saint Petersburg in september?
No... The water temperature in Saint Petersburg in september is freezing
You won't be able to swim in Saint Petersburg in september! The water temperature is freezing, reaching as low as 53°F (and only 62°F at best)! Our advice: if you are going to Saint Petersburg this month, plan to sightsee and forget the beach!
Note also that in september, the climate is good with an average outside temperature of 56°F, 3.3in of precipitation (over 5 days) and 84.92 % humidity.
Water and normal seasonal temperatures in Saint Petersburg in september
| September | |||
| Average sea temperature | 58°F | ||
| Minimum sea temperature | 53°F | ||
| Maximum sea temperature | 62°F | ||
| Average outside temperature | 58°F | ||
| Maximum outside temperature | 61°F | ||
| Minimum outside temperature | 54°F | ||
| Wind speed | 10.6mph | ||
| Wind temperature | 50°F | ||
| Precipitation | 3.3in | ||
| Number of days of rain | 5 jour(s) (18%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9km | ||
| Cloud cover | 52% | ||
| Our opinion | freezing swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Saint Petersburg
Swim elsewhere in Russia in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Vladivostok in september | 66°F | 71°F | cool swimming | Mourmansk in september | 49°F | 53°F | freezing swimming | Sochi in september | 76°F | 79°F | pleasant swimming |