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:
2026
2025
2024
The average sea water temperature in September of 2026 was 63.9°F. The highest and lowest sea temperatures during the month were 66.0°F and 62.1°F.
Monthly sea water temperature in Gdynia, °F
Which Poland resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Gdansk | 64.0°F | 63.7°F |
| Sopot | 64.0°F | 63.9°F |
| Gdynia | 63.9°F | 64.3°F |
| Krynica Morska | 63.8°F | 64.7°F |
| Szczecin | 63.6°F | 64.4°F |
| Vladyslawowo | 63.4°F | 64.0°F |
| Leba | 63.4°F | 64.2°F |
| Miedzyzdroje | 63.2°F | 64.3°F |
| Ustka | 62.9°F | 63.8°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: 12:36
September 24, thursday
1500
55°F
SE
6 mph
6 mph
1800
55°F
SE
7 mph
7 mph
2100
54°F
S
7 mph
7 mph
September 25, friday
0000
50°F
E
7 mph
7 mph
0300
50°F
E
9 mph
9 mph
0600
52°F
E
7 mph
7 mph
0900
54°F
E
9 mph
9 mph
1200
57°F
SE
9 mph
9 mph
