All data are in degrees Fahrenheit

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Staten Island in September

Find out everything about the water temperature in Staten Island 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:

66.3 °F

Average:

72.1 °F

Maximum:

78.3 °F

Sea water temperature in Staten Island in September

In the city of Staten Island, the month of September is somewhat comfortable for swimming. The minimum recorded temperature during this month was 66.3°F on September 30, 2022, with an average temperature being 72.1°F and a maximum temperature reaching 78.3°F on September 6, 2018.

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 72.1°F throughout the month, with minimal changes.
Date 10 years average 2025 2024
Sep 1 74.5°F 71.5°F 73.4°F
Sep 2 73.7°F 71.7°F 73.4°F
Sep 3 73.5°F 71.3°F 72.9°F
Sep 4 73.3°F 71.0°F 72.2°F
Sep 5 73.6°F 71.7°F 71.5°F
Sep 6 73.8°F 72.8°F 71.9°F
Sep 7 73.7°F 72.7°F 71.2°F
Sep 8 73.6°F 71.2°F 71.9°F
Sep 9 73.3°F 71.4°F 71.3°F
Sep 10 73.3°F 71.2°F 70.5°F
Sep 11 73.0°F 71.2°F 70.4°F
Sep 12 72.7°F 70.6°F 70.7°F
Sep 13 72.6°F 70.9°F 70.9°F
Sep 14 72.7°F 71.2°F 71.0°F
Sep 15 72.5°F 71.6°F 71.3°F
Sep 16 72.7°F 72.6°F 71.6°F
Sep 17 72.2°F 72.3°F 70.9°F
Sep 18 71.9°F 71.5°F 71.1°F
Sep 19 72.0°F 71.6°F 70.8°F
Sep 20 71.8°F 71.6°F 71.9°F
Sep 21 71.5°F 71.3°F 71.5°F
Sep 22 71.2°F 71.1°F 71.2°F
Sep 23 71.0°F 70.5°F 70.8°F
Sep 24 70.7°F 70.6°F 70.5°F
Sep 25 70.3°F 70.8°F 69.7°F
Sep 26 69.8°F 70.2°F 69.3°F
Sep 27 69.7°F 71.6°F 69.4°F
Sep 28 69.4°F 71.8°F 69.0°F
Sep 29 69.4°F 71.7°F 68.7°F
Sep 30 69.1°F 71.2°F 69.1°F

Sea water temperature in Staten Island by month

In Staten Island, the months July through August offer comfortable swimming conditions, which amounts to 62 swimming days. The warmest water in Staten Island was recorded on August 29, 2021, reaching a 79.7°F. While the coldest temperature occurred on January 23, 2025, dipping to 34.0°F. The average readings by season are 42.4°F in Winter, 48.8°F in Spring, 72.2°F in Summer, and 63.7°F in Autumn. September's average temperature is a slight drop from August's average of 75.4°F. In October, the temperature is expected to decrease further, potentially averaging around 64.0°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Charleston 68.8°F 5mi
Coney Island 68.4°F 8mi
Brooklyn 68.8°F 12mi
Jersey City 69.6°F 12mi
New York City 69.6°F 13mi

* current water temperature in this city

** straight line distance from Staten Island