World Resorts Poland Gdynia Weather

Gdynia 7 Days Forecast

15.09
tue
Day
63°F
NE 4 mph
Precip.
3%
Night
59°F
N 7 mph
Precip.
7%
16.09
wed
Day
64°F
NE 12 mph
Precip.
15%
Night
55°F
E 9 mph
Precip.
24%
17.09
thu
Day
63°F
E 14 mph
Precip.
11%
Night
55°F
NE 9 mph
Precip.
17%
18.09
fri
Day
61°F
NE 12 mph
Precip.
15%
Night
55°F
E 9 mph
Precip.
25%
19.09
sat
Day
63°F
E 14 mph
Precip.
6%
Night
57°F
NE 7 mph
Precip.
19%
20.09
sun
Day
63°F
E 14 mph
Precip.
17%
Night
54°F
E 13 mph
Precip.
19%
21.09
mon
Day
55°F
E 14 mph
Precip.
34%
Night
52°F
E 8 mph
Precip.
19%

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.

Air temperature in Gdynia, °F

Precipitation total in Gdynia, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Gdynia

Sunniest months:
May 13 days
June 13 days
August 12 days
Warmest months:
August 70.3 °F
July 69.4 °F
June 65.6 °F
Warmest sea temp:
August 67.6 °F
July 65.8 °F
September 63.5 °F
Coldest months:
January 34.7 °F
February 35.9 °F
December 38.5 °F
Rainiest months:
July 5 days
August 4 days
June 3 days
Windiest months:
December 13.3 mph
January 13.2 mph
February 12.2 mph

Gdynia on a weather map

Current weather
04:40
Gdynia
+50°F
E 6 mph
Feels like: +48°F
Precip.: 30%
Places in Poland:
Name
°F
Warsaw
+57°F
Wisla
+55°F
Vladyslawowo
+50°F
Wroclaw
+54°F
High Tatras
+48°F
Gdansk
+50°F
Gdynia
+50°F
Zakopane
+46°F
Krakow
+57°F
Krynica Morska
+55°F
Leba
+55°F
Miedzyzdroje
+57°F
Sopot
+50°F
Ustka
+50°F
Szczecin
+50°F
all places
24 Hours Forecast
Gdynia
Local time: 04:40
September 15, tuesday
0600
50°F
E
6 mph
0900
55°F
E
6 mph
1200
63°F
NE
4 mph
1500
66°F
NE
4 mph
1800
64°F
NW
1 mph
2100
61°F
NE
6 mph
September 16, wednesday
0000
59°F
N
7 mph
0300
59°F
N
9 mph
Units of measurement: °C / °F