Measurements:
°C
°F
CURRENT WEATHER
23:52
Gdansk
54°F
N 7 mph
Feels like: 52°F
Precip: 12%
World Resorts Poland Gdansk Weather

7 Day Weather Forecast

09.28
mon
DAY
66°F
N 14 mph
precip
3%
NIGHT
54°F
N 7 mph
precip
12%
09.29
tue
DAY
68°F
N 13 mph
precip
12%
NIGHT
54°F
N 6 mph
precip
9%
09.30
wed
DAY
66°F
NW 11 mph
precip
13%
NIGHT
56°F
NW 7 mph
precip
19%
10.01
thu
DAY
66°F
NW 14 mph
precip
13%
NIGHT
52°F
NW 9 mph
precip
6%
10.02
fri
DAY
64°F
N 14 mph
precip
2%
NIGHT
52°F
NW 8 mph
precip
10%
10.03
sat
DAY
64°F
N 13 mph
precip
2%
NIGHT
52°F
N 7 mph
precip
6%
10.04
sun
DAY
64°F
NW 12 mph
precip
2%
NIGHT
52°F
NW 7 mph
precip
4%

Gdansk Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Gdansk was 17.5°F. The maximum and minimum values were 14.9°F and 19.3°F respectively.

Gdansk on the Weather Map

Best Time to Visit Gdansk
The most sunny months:
June 13 days
August 13 days
May 12 days
The most warm months:
August 74.2 °F
July 73.1 °F
June 69.5 °F
Warmest sea temperature:
August 69.4 °F
July 67.5 °F
September 64.7 °F
The most cold months:
January 31.6 °F
February 33.6 °F
December 36.0 °F
The most rainy months:
July 6 days
August 5 days
May 4 days
The most windy months:
December 12 mph
January 11 mph
February 11 mph
more details