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West Haven in September

Find out everything about the water temperature in West Haven 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:

66.1 °F

Average:

71.9 °F

Maximum:

77.7 °F

Sea water temperature in West Haven in September

In the city of West Haven, the month of September is somewhat comfortable for swimming. The minimum recorded temperature during this month was 66.1°F on September 29, 2023, with an average temperature being 71.9°F and a maximum temperature reaching 77.7°F on September 1, 2022.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In September, the sea temperature remains relatively stable. The average temperature stays close to 71.9°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Sep 1 74.0°F 72.7°F 73.0°F
Sep 2 73.8°F 73.8°F 71.6°F
Sep 3 73.4°F 73.2°F 70.7°F
Sep 4 73.1°F 72.2°F 71.7°F
Sep 5 73.1°F 71.1°F 72.2°F
Sep 6 73.3°F 71.7°F 72.7°F
Sep 7 73.4°F 70.6°F 74.3°F
Sep 8 73.4°F 70.6°F 75.0°F
Sep 9 73.3°F 70.7°F 76.1°F
Sep 10 73.0°F 70.3°F 74.2°F
Sep 11 73.0°F 70.4°F 75.8°F
Sep 12 72.7°F 69.9°F 75.0°F
Sep 13 72.6°F 70.0°F 74.3°F
Sep 14 72.5°F 70.2°F 73.8°F
Sep 15 72.2°F 71.1°F 73.6°F
Sep 16 72.5°F 72.2°F 73.1°F
Sep 17 71.9°F 71.3°F 70.4°F
Sep 18 71.5°F 71.0°F 69.3°F
Sep 19 71.6°F 70.7°F 69.7°F
Sep 20 71.3°F 71.8°F 68.7°F
Sep 21 70.9°F 70.9°F 68.5°F
Sep 22 70.8°F 70.6°F 68.5°F
Sep 23 70.8°F 70.4°F 68.5°F
Sep 24 70.7°F 69.4°F 68.6°F
Sep 25 70.4°F 69.2°F 68.7°F
Sep 26 70.0°F 68.8°F 68.7°F
Sep 27 69.9°F 68.6°F 67.2°F
Sep 28 69.7°F 68.4°F 66.2°F
Sep 29 69.5°F 68.3°F 66.1°F
Sep 30 69.3°F 68.0°F 66.3°F

Sea water temperature in West Haven by month

In West Haven, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 50. The warmest water in West Haven was recorded on August 14, 2020, reaching a 78.6°F. While the coldest temperature occurred on February 16, 2015, dipping to 32.0°F. The average readings by season are 41.0°F in Winter, 45.6°F in Spring, 70.3°F in Summer, and 64.2°F in Autumn. September's average temperature is a slight drop from August's average of 74.4°F. In October, the temperature is expected to decrease further, potentially averaging around 64.9°F.