Average sea water temperature in September:
+63.2°F
| Minimum sea water temperature in September: | 69.8°F |
| Maximum sea water temperature in September: | 56.5°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 65.0°F. The highest and lowest sea temperatures during the month were 66.7°F and 63.7°F.
Monthly sea water temperature in Gdansk, °F
Which Poland resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Gdansk | 65.0°F | 63.7°F |
| Sopot | 64.9°F | 63.9°F |
| Szczecin | 64.6°F | 64.4°F |
| Gdynia | 64.5°F | 64.3°F |
| Krynica Morska | 64.3°F | 64.7°F |
| Vladyslawowo | 64.2°F | 64.0°F |
| Leba | 64.1°F | 64.2°F |
| Miedzyzdroje | 64.1°F | 64.3°F |
| Ustka | 63.7°F | 63.8°F |
| Wisla | 32.0°F | 32.0°F |
Best time for vacation in Gdansk
Gdansk on a weather map
Places in Poland:
Name
°F
24 Hours Forecast
Gdansk
Local time: 09:51
September 15, tuesday
1200

64°F
NE
6 mph
6 mph
1500

68°F
NE
7 mph
7 mph
1800

66°F
N
6 mph
6 mph
2100

59°F
N
7 mph
7 mph
September 16, wednesday
0000

55°F
N
7 mph
7 mph
0300

55°F
N
8 mph
8 mph
0600

55°F
N
9 mph
9 mph
0900

61°F
N
11 mph
11 mph




























