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Jakobstad in September

Find out everything about the water temperature in Jakobstad 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:

48.2 °F

Average:

55.3 °F

Maximum:

63.4 °F

Sea water temperature in Jakobstad in September

In the city of Jakobstad, the month of September is too cold for swimming. The minimum recorded temperature during this month was 48.2°F on September 27, 2022, with an average temperature being 55.3°F and a maximum temperature reaching 63.4°F on September 2, 2019.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of September, the sea temperature gradually gets colder. Starting with an average temperature of 57.9°F at the beginning of the month, it steadily decreases to around 52.4°F by the end.
Date 10 years average 2024 2023
Sep 1 59.1°F 60.1°F 60.0°F
Sep 2 59.1°F 59.0°F 60.2°F
Sep 3 58.6°F 58.9°F 59.5°F
Sep 4 58.3°F 59.0°F 59.8°F
Sep 5 58.1°F 59.4°F 60.9°F
Sep 6 57.6°F 60.3°F 58.2°F
Sep 7 57.4°F 61.1°F 58.4°F
Sep 8 57.3°F 60.8°F 57.9°F
Sep 9 56.7°F 60.8°F 57.5°F
Sep 10 56.6°F 60.9°F 59.9°F
Sep 11 56.7°F 62.0°F 58.4°F
Sep 12 56.7°F 60.4°F 57.6°F
Sep 13 56.4°F 59.8°F 58.1°F
Sep 14 56.1°F 59.1°F 57.9°F
Sep 15 55.7°F 58.4°F 57.4°F
Sep 16 55.4°F 57.4°F 56.9°F
Sep 17 55.1°F 57.5°F 56.5°F
Sep 18 54.6°F 56.0°F 55.3°F
Sep 19 54.5°F 56.6°F 55.3°F
Sep 20 54.3°F 57.7°F 55.6°F
Sep 21 53.9°F 57.6°F 55.1°F
Sep 22 53.6°F 55.8°F 56.3°F
Sep 23 53.2°F 55.5°F 56.9°F
Sep 24 52.7°F 54.6°F 55.8°F
Sep 25 52.5°F 54.3°F 54.9°F
Sep 26 52.5°F 54.5°F 55.3°F
Sep 27 51.8°F 53.0°F 54.4°F
Sep 28 51.7°F 53.0°F 54.8°F
Sep 29 51.4°F 52.1°F 54.3°F
Sep 30 51.1°F 49.8°F 55.1°F

Sea water temperature in Jakobstad by month

In an average year, Jakobstad offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Jakobstad was recorded on July 2, 2022, reaching a 71.7°F. While the coldest temperature occurred on January 1, 2023, dipping to 32.0°F. The average readings by season are 33.4°F in Winter, 35.4°F in Spring, 59.1°F in Summer, and 47.4°F in Autumn. September's average temperature is a slight drop from August's average of 62.7°F. In October, the temperature is expected to decrease further, potentially averaging around 46.5°F.