World Resorts Poland Gdynia Weather

Gdynia Sea Temperature in September

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

Sunniest months:
May 13 days
June 13 days
August 12 days
Warmest months:
August 70.3 °F
July 69.6 °F
June 65.5 °F
Warmest sea temp:
August 67.7 °F
July 65.8 °F
September 63.5 °F
Coldest months:
January 35.2 °F
February 36.3 °F
December 38.5 °F
Rainiest months:
July 5 days
August 4 days
June 3 days
Windiest months:
December 13.3 mph
January 13.3 mph
February 12.3 mph

Gdynia on a weather map

Current weather
00:11
Gdynia
+21°F
N 9 mph
Feels like: +10°F
Precip.: 0%
Places in Poland:
Name
°F
Warsaw
+3°F
Wisla
+18°F
Vladyslawowo
+19°F
Wroclaw
+25°F
Gdansk
+18°F
Gdynia
+21°F
Zakopane
+16°F
Krakow
+14°F
Krynica Morska
+9°F
Leba
+25°F
Miedzyzdroje
+28°F
Poznan
+23°F
Sopot
+21°F
Ustka
+27°F
Szczecin
+27°F
all places
24 Hours Forecast
Gdynia
Local time: 00:11
January 13, tuesday
0300
21°F
N
11 mph
0600
21°F
NW
11 mph
0900
21°F
NW
10 mph
1200
23°F
NW
9 mph
1500
23°F
NW
7 mph
1800
19°F
NW
7 mph
2100
18°F
N
8 mph
January 14, wednesday
0000
16°F
N
9 mph
Units of measurement: °C / °F