Average sea water temperature in September:
+63.5°F
| Minimum sea water temperature in September: | 70.7°F |
| Maximum sea water temperature in September: | 56.8°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 64.3°F. The highest and lowest sea temperatures during the month were 66.9°F and 60.8°F.
Monthly sea water temperature in Gdynia, °F
Which Poland resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Krynica Morska | 64.7°F | 66.2°F |
| Szczecin | 64.4°F | 66.1°F |
| Miedzyzdroje | 64.3°F | 65.4°F |
| Gdynia | 64.3°F | 65.8°F |
| Leba | 64.2°F | 62.9°F |
| Vladyslawowo | 64.0°F | 65.1°F |
| Sopot | 63.9°F | 65.2°F |
| Ustka | 63.8°F | 62.9°F |
| Gdansk | 63.7°F | 65.0°F |
| Wisla | 32.0°F | 32.0°F |
Best time for vacation in Gdynia
Gdynia on a weather map
Places in Poland:
Name
°F
24 Hours Forecast
Gdynia
Local time: 12:23
December 21, sunday
1500
39°F
SE
4 mph
4 mph
1800
39°F
SE
5 mph
5 mph
2100
39°F
SE
4 mph
4 mph
December 22, monday
0000
37°F
SE
2 mph
2 mph
0300
37°F
SW
2 mph
2 mph
0600
37°F
NW
3 mph
3 mph
0900
37°F
NW
4 mph
4 mph
1200
39°F
NW
4 mph
4 mph
