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Gdańsk in September

Find out everything about the water temperature in Gdańsk in September. Average, minimum and maximum recorded temperatures as well as daily temperature in September for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in September
Minimum:

56.5 °F

Average:

63.2 °F

Maximum:

69.7 °F

Sea water temperature in Gdańsk in September

In the city of Gdańsk, the month of September is somewhat too cool for swimming. The minimum recorded temperature during this month was 56.5°F on September 29, 2022, with an average temperature being 63.2°F and a maximum temperature reaching 69.7°F on September 1, 2019.

Most people would find such water temperature somewhat too cold for swimming. Throughout the month of September, the sea temperature gradually gets colder. Starting with an average temperature of 65.3°F at the beginning of the month, it steadily decreases to around 60.8°F by the end.
Date 10 years average 2023 2022
Sep 1 66.3°F 67.7°F 69.7°F
Sep 2 66.3°F 66.6°F 69.4°F
Sep 3 66.0°F 66.9°F 68.7°F
Sep 4 65.7°F 66.1°F 67.7°F
Sep 5 65.2°F 66.6°F 66.1°F
Sep 6 65.2°F 67.0°F 66.3°F
Sep 7 64.9°F 65.8°F 65.8°F
Sep 8 64.8°F 66.5°F 65.4°F
Sep 9 64.6°F 67.2°F 64.8°F
Sep 10 64.4°F 66.7°F 64.4°F
Sep 11 64.3°F 66.6°F 64.1°F
Sep 12 64.1°F 66.8°F 62.6°F
Sep 13 64.3°F 67.5°F 62.5°F
Sep 14 63.9°F 67.3°F 61.8°F
Sep 15 63.9°F 67.7°F 62.1°F
Sep 16 63.5°F 66.9°F 61.2°F
Sep 17 63.2°F 67.0°F 60.7°F
Sep 18 63.0°F 66.3°F 60.0°F
Sep 19 62.6°F 66.7°F 59.8°F
Sep 20 62.3°F 66.2°F 58.7°F
Sep 21 62.1°F 65.8°F 58.6°F
Sep 22 61.9°F 65.8°F 58.4°F
Sep 23 61.5°F 65.5°F 57.5°F
Sep 24 61.1°F 64.6°F 57.8°F
Sep 25 61.0°F 64.6°F 57.6°F
Sep 26 60.6°F 63.4°F 57.2°F
Sep 27 60.4°F 63.6°F 56.9°F
Sep 28 60.1°F 63.4°F 56.7°F
Sep 29 60.0°F 64.1°F 56.5°F
Sep 30 59.5°F 63.2°F 56.7°F

Sea water temperature in Gdańsk by month

In an average year, Gdańsk offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Gdańsk was recorded on August 3, 2018, reaching a 75.4°F. While the coldest temperature occurred on March 10, 2022, dipping to 32.0°F. The average readings by season are 38.8°F in Winter, 43.4°F in Spring, 64.8°F in Summer, and 55.4°F in Autumn. September's average temperature is a slight drop from August's average of 67.8°F. In October, the temperature is expected to decrease further, potentially averaging around 55.4°F.