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Sønderborg in September

Find out everything about the water temperature in Sønderborg 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:

57.1 °F

Average:

62.6 °F

Maximum:

68.4 °F

Sea water temperature in Sønderborg in September

In the city of Sønderborg, the month of September is somewhat too cool for swimming. The minimum recorded temperature during this month was 57.1°F on September 22, 2019, with an average temperature being 62.6°F and a maximum temperature reaching 68.4°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 64.4°F at the beginning of the month, it steadily decreases to around 60.6°F by the end.
Date 10 years average 2024 2023
Sep 1 64.7°F 65.9°F 64.5°F
Sep 2 64.6°F 65.4°F 64.3°F
Sep 3 64.8°F 65.9°F 65.3°F
Sep 4 64.7°F 66.7°F 64.7°F
Sep 5 64.3°F 65.5°F 64.0°F
Sep 6 64.2°F 67.0°F 65.1°F
Sep 7 64.3°F 67.3°F 66.6°F
Sep 8 64.1°F 67.4°F 66.2°F
Sep 9 64.2°F 67.3°F 66.7°F
Sep 10 64.1°F 67.1°F 67.9°F
Sep 11 63.9°F 66.8°F 67.3°F
Sep 12 63.7°F 65.9°F 66.8°F
Sep 13 63.7°F 64.9°F 66.3°F
Sep 14 63.4°F 64.1°F 66.2°F
Sep 15 63.1°F 63.7°F 66.3°F
Sep 16 62.8°F 63.0°F 65.2°F
Sep 17 62.4°F 63.4°F 65.3°F
Sep 18 62.0°F 63.3°F 65.2°F
Sep 19 61.9°F 62.6°F 65.0°F
Sep 20 61.7°F 62.2°F 64.6°F
Sep 21 61.6°F 62.8°F 65.2°F
Sep 22 61.2°F 63.3°F 64.6°F
Sep 23 61.1°F 62.7°F 64.5°F
Sep 24 60.9°F 62.7°F 63.8°F
Sep 25 60.8°F 63.3°F 64.0°F
Sep 26 60.5°F 62.7°F 63.2°F
Sep 27 60.4°F 61.5°F 63.2°F
Sep 28 60.2°F 61.7°F 63.0°F
Sep 29 60.0°F 61.1°F 64.4°F
Sep 30 59.7°F 60.8°F 63.4°F

Sea water temperature in Sønderborg by month

In an average year, Sønderborg offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Sønderborg was recorded on July 28, 2018, reaching a 72.9°F. While the coldest temperature occurred on January 23, 2016, dipping to 32.0°F. The average readings by season are 38.9°F in Winter, 44.9°F in Spring, 63.6°F in Summer, and 56.1°F in Autumn. September's average temperature is a slight drop from August's average of 65.6°F. In October, the temperature is expected to decrease further, potentially averaging around 56.0°F.