World Resorts Poland Gdansk Weather

Gdansk Sea Temperature in September

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

Sunniest months:
June 13 days
August 13 days
May 12 days
Warmest months:
August 71.8 °F
July 70.9 °F
June 67.6 °F
Warmest sea temp:
August 67.5 °F
July 65.7 °F
September 63.2 °F
Coldest months:
January 33.9 °F
February 35.6 °F
December 37.5 °F
Rainiest months:
July 7 days
August 5 days
May 4 days
Windiest months:
December 12.0 mph
January 11.6 mph
February 11.0 mph

Gdansk on a weather map

Gdansk
+36°F
SE 17 mph
Feels like: +27°F
Precip.: 0%
Places in Poland:
Name
°F
+34°F
+28°F
+36°F
+34°F
+36°F
+37°F
+27°F
+30°F
+37°F
+39°F
+34°F
+37°F
+37°F
+37°F
24 Hours Forecast
Gdansk
Local time: 16:26
December 29, monday
1800
34°F
SE
19 mph
2100
32°F
SE
22 mph
December 30, tuesday
0000
32°F
SE
24 mph
0300
34°F
SE
26 mph
0600
34°F
SE
27 mph
0900
34°F
S
32 mph
1200
34°F
S
31 mph
1500
34°F
SE
28 mph
Units of measurement: °C / °F