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

Gdansk Weather: September

Average Day Temperature: 66.2°F
Average Night Temperature: 55.3°F
Sea Water Temperature: 64.7°F
Number of Sunny Days: 11 days
Sunshine Hours: 11.7 - 13.7 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.5 in

Air Temperature in September, °F

Select Year: 2026 2025 2024

The highest day temperature in September 2026 was 79°F. The lowest night temperature was 50°F. The average values for day and night temperatures during September were 66.9°F и 55.8°F respectivly.

Gdansk Water Sea Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Gdansk was 65.0°F. The maximum and minimum values were 59.8°F and 68.6°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Gdansk is 1.5 in.

Wind Speed in September, mph

The average wind speed in September is 9.3 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Gdansk in September is 7.3 hours.

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

Gdansk on the Weather Map

Poland Resorts:
NAME
F°
Gdansk +54
Gdynia +58
Krakow +54
Krynica Morska +54
Leba +62
Miedzyzdroje +62
Poznan +60
Sopot +58
Szczecin +60
Ustka +60
Vladyslawowo +58
Warsaw +60
Wisla +58
Wroclaw +58
Zakopane +44
24 Hours Weather Forecast
Gdansk
Local time: 23:51
29 sep, tuesday
0000 54°F
N
7 mph
0300 52°F
N
7 mph
0600 52°F
N
7 mph
0900 58°F
N
9 mph
1200 68°F
N
13 mph
1500 72°F
N
11 mph
1800 64°F
NW
7 mph
2100 58°F
NW
7 mph