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Bristol in September

Find out everything about the water temperature in Bristol 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:

63.9 °F

Average:

69.9 °F

Maximum:

77.8 °F

Sea water temperature in Bristol in September

In the city of Bristol, the month of September is somewhat comfortable for swimming. The minimum recorded temperature during this month was 63.9°F on September 28, 2023, with an average temperature being 69.9°F and a maximum temperature reaching 77.8°F on September 13, 2023.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. Throughout the month of September, the sea temperature gradually gets colder. Starting with an average temperature of 71.8°F at the beginning of the month, it steadily decreases to around 67.5°F by the end.
Date 10 years average 2024 2023
Sep 1 72.5°F 71.9°F 70.3°F
Sep 2 72.4°F 71.8°F 69.2°F
Sep 3 71.9°F 71.2°F 69.4°F
Sep 4 71.6°F 70.7°F 70.6°F
Sep 5 71.5°F 70.7°F 70.8°F
Sep 6 71.9°F 70.5°F 73.7°F
Sep 7 72.0°F 70.8°F 73.6°F
Sep 8 71.7°F 69.7°F 75.3°F
Sep 9 71.5°F 70.1°F 75.2°F
Sep 10 71.4°F 69.7°F 74.2°F
Sep 11 71.3°F 69.9°F 74.9°F
Sep 12 70.8°F 70.2°F 73.8°F
Sep 13 71.3°F 69.6°F 77.8°F
Sep 14 71.1°F 69.1°F 76.3°F
Sep 15 70.4°F 69.5°F 75.7°F
Sep 16 70.3°F 70.1°F 74.7°F
Sep 17 69.9°F 69.2°F 73.8°F
Sep 18 69.6°F 69.0°F 71.2°F
Sep 19 69.3°F 68.8°F 70.6°F
Sep 20 69.0°F 68.6°F 68.7°F
Sep 21 68.7°F 68.1°F 67.3°F
Sep 22 68.3°F 67.9°F 67.3°F
Sep 23 68.5°F 67.6°F 68.3°F
Sep 24 68.1°F 66.3°F 67.7°F
Sep 25 67.5°F 65.4°F 67.2°F
Sep 26 67.1°F 65.2°F 66.8°F
Sep 27 67.1°F 65.1°F 65.7°F
Sep 28 66.8°F 64.9°F 63.9°F
Sep 29 66.8°F 64.7°F 64.2°F
Sep 30 66.4°F 64.3°F 64.5°F

Sea water temperature in Bristol by month

In Bristol, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 38. The warmest water in Bristol was recorded on August 10, 2022, reaching a 80.6°F. While the coldest temperature occurred on February 28, 2015, dipping to 33.4°F. The average readings by season are 41.5°F in Winter, 47.0°F in Spring, 70.7°F in Summer, and 62.3°F in Autumn. September's average temperature is a slight drop from August's average of 73.8°F. In October, the temperature is expected to decrease further, potentially averaging around 62.7°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Providence 43.3°F 13mi
Newport 45.8°F 13mi
Plymouth 44.3°F 36mi
South Boston 42.8°F 47mi
Boston 42.8°F 48mi

* current water temperature in this city

** straight line distance from Bristol