Current sea water temperature:
+64.2°F
| Minimum sea water temperature in September: | 70.7°F |
| Maximum sea water temperature in September: | 56.8°F |
| Average sea water temperature in September: | 63.5°F |
| more information | |
14 days
forecast
forecast
| Gdynia |
monthly
weather
weather
| Gdynia |
Sea water temperature for the last 10 days:
| September 14 | 64.2°F | September 9 | 64.6°F |
| September 13 | 63.7°F | September 8 | 64.6°F |
| September 12 | 63.3°F | September 7 | 64.6°F |
| September 11 | 64.0°F | September 6 | 64.9°F |
| September 10 | 63.9°F | September 5 | 64.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Gdynia?
Based on the data about daily sea water temperature for the last three years the warmest sea in Gdynia was noticed in August, July and September.
Monthly Sea Temperatures in Gdynia, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 66.6°F. The highest and lowest sea temperatures during the month were 69.4°F and 65.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 65.2°F. The highest and lowest sea temperatures during the month were 70.9°F and 62.1°F.
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.
current
weather
weather
| Gdynia |
weather in
September
September
| Gdynia |
Best time for vacation in Gdynia
Gdynia on a weather map
Places in Poland:
Name
°F
24 Hours Forecast
Gdynia
Local time: 04:41
September 15, tuesday
0600
50°F
E
6 mph
6 mph
0900
55°F
E
6 mph
6 mph
1200
63°F
NE
4 mph
4 mph
1500
66°F
NE
4 mph
4 mph
1800
64°F
NW
1 mph
1 mph
2100
61°F
NE
6 mph
6 mph
September 16, wednesday
0000
59°F
N
7 mph
7 mph
0300
59°F
N
9 mph
9 mph
