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:
2025
2024
2023
The average sea water temperature in September of 2025 was 63.7°F. The highest and lowest sea temperatures during the month were 66.6°F and 60.1°F.
Monthly sea water temperature in Gdansk, °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 Gdansk
Gdansk on a weather map
Places in Poland:
Name
°F
24 Hours Forecast
Gdansk
Local time: 13:48
January 09, friday
1500

21°F
W
15 mph
15 mph
1800

19°F
W
15 mph
15 mph
2100

19°F
W
16 mph
16 mph
January 10, saturday
0000

19°F
W
13 mph
13 mph
0300

21°F
SW
14 mph
14 mph
0600

21°F
SW
13 mph
13 mph
0900

23°F
SW
11 mph
11 mph
1200

28°F
SW
14 mph
14 mph




























