Current sea water temperature:
+59.2°F
| Minimum sea water temperature in September: | 65.5°F |
| Maximum sea water temperature in September: | 45.9°F |
| Average sea water temperature in September: | 56.7°F |
| more information | |
14 days
forecast
forecast
| St Petersburg |
monthly
weather
weather
| St Petersburg |
Sea water temperature for the last 10 days:
| September 14 | 59.2°F | September 9 | 59.0°F |
| September 13 | 59.5°F | September 8 | 58.5°F |
| September 12 | 59.5°F | September 7 | 58.3°F |
| September 11 | 59.7°F | September 6 | 60.3°F |
| September 10 | 59.4°F | September 5 | 62.1°F |
Monthly sea water temperature, °F
When is the warmest sea in St Petersburg?
Based on the data about daily sea water temperature for the last three years the warmest sea in St Petersburg was noticed in August, July and June.
Monthly Sea Temperatures in St Petersburg, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 64.0°F. The highest and lowest sea temperatures during the month were 69.1°F and 59.9°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 66.5°F. The highest and lowest sea temperatures during the month were 69.1°F and 62.8°F.
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 60.9°F. The highest and lowest sea temperatures during the month were 64.2°F and 52.0°F.
current
weather
weather
| St Petersburg |
weather in
September
September
| St Petersburg |
Best time for vacation in St Petersburg
St Petersburg on a weather map
Places in Russia:
Name
°F
24 Hours Forecast
St Petersburg
Local time: 01:50
September 15, tuesday
0300
46°F
SE
2 mph
2 mph
0600
45°F
SE
2 mph
2 mph
0900
52°F
E
2 mph
2 mph
1200
59°F
E
4 mph
4 mph
1500
59°F
E
5 mph
5 mph
1800
55°F
SE
3 mph
3 mph
2100
50°F
N
2 mph
2 mph
September 16, wednesday
0000
48°F
N
5 mph
5 mph
