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Bangor in September

Find out everything about the water temperature in Bangor 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:

57.3 °F

Average:

60.9 °F

Maximum:

64.3 °F

Sea water temperature in Bangor in September

In the city of Bangor, the month of September is somewhat too cool for swimming. The minimum recorded temperature during this month was 57.3°F on September 30, 2015, with an average temperature being 60.9°F and a maximum temperature reaching 64.3°F on September 8, 2022.

Most people would find such water temperature somewhat too cold for swimming. In September, the sea temperature remains relatively stable. The average temperature stays close to 60.9°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Sep 1 61.7°F 61.8°F 62.0°F
Sep 2 61.6°F 61.7°F 62.0°F
Sep 3 61.7°F 61.7°F 61.8°F
Sep 4 61.6°F 61.6°F 62.3°F
Sep 5 61.8°F 61.7°F 63.4°F
Sep 6 61.8°F 61.1°F 63.4°F
Sep 7 61.8°F 61.8°F 63.7°F
Sep 8 61.8°F 61.5°F 63.8°F
Sep 9 61.7°F 61.3°F 63.8°F
Sep 10 61.6°F 61.2°F 64.1°F
Sep 11 61.4°F 60.9°F 63.9°F
Sep 12 61.3°F 60.7°F 63.6°F
Sep 13 61.1°F 60.3°F 63.4°F
Sep 14 61.0°F 60.3°F 63.1°F
Sep 15 61.0°F 60.2°F 62.9°F
Sep 16 60.9°F 60.0°F 62.7°F
Sep 17 60.9°F 60.4°F 62.5°F
Sep 18 60.9°F 60.8°F 62.8°F
Sep 19 60.8°F 60.5°F 62.4°F
Sep 20 60.7°F 60.3°F 62.0°F
Sep 21 60.6°F 59.7°F 61.9°F
Sep 22 60.4°F 59.9°F 61.7°F
Sep 23 60.4°F 59.7°F 61.4°F
Sep 24 60.1°F 59.6°F 61.2°F
Sep 25 59.9°F 59.4°F 60.8°F
Sep 26 59.9°F 59.2°F 60.3°F
Sep 27 59.8°F 59.0°F 61.1°F
Sep 28 59.6°F 58.8°F 60.7°F
Sep 29 59.5°F 58.7°F 60.5°F
Sep 30 59.4°F 58.8°F 60.5°F

Sea water temperature in Bangor by month

In an average year, Bangor offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Bangor was recorded on August 15, 2022, reaching a 64.8°F. While the coldest temperature occurred on March 9, 2018, dipping to 41.1°F. The average readings by season are 46.4°F in Winter, 48.0°F in Spring, 59.5°F in Summer, and 57.1°F in Autumn. September's average temperature is a slight drop from August's average of 61.7°F. In October, the temperature is expected to decrease further, potentially averaging around 57.3°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Caernarfon 50.8°F 8mi
Conwy 49.7°F 13mi
Holyhead 52.0°F 21mi
Aberystwyth 49.8°F 56mi
Douglas 52.3°F 65mi

* current water temperature in this city

** straight line distance from Bangor