World sea water temperatures

Water temperature in West Sayville in September

Home > United States > New York > Long Island > West Sayville

Is it warm enough to swim in West Sayville in September? Average water temperature in West Sayville in September is 70.7°F and therefore suitable for comfortable swimming. The warmest sea in West Sayville in September is 79.7°F, and the coldest is 62.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in West Sayville

Changes water temperature in West Sayville in September 2025, 2024

To get an accurate forecast for the water temperature in West Sayville for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in West Sayville, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
September 171.1°F72.9°F69.4°F77.5°F
September 271.1°F73.9°F69.1°F76.5°F
September 370.5°F72.3°F68.2°F76.6°F
September 471.4°F71.6°F68.2°F76.1°F
September 5 71.4°F68.5°F76.8°F
September 6 71.2°F68.7°F76.6°F
September 7 70.7°F69.1°F77.4°F
September 8 70.7°F68.9°F78.1°F
September 9 70°F68.7°F78.4°F
September 10 69.6°F68.5°F78.4°F
September 11 70°F68.2°F79.7°F
September 12 70.5°F68.2°F78.4°F
September 13 70.9°F68°F78.1°F
September 14 71.1°F68.2°F76.8°F
September 15 72.3°F68°F75.7°F
Day 2025 2024 Min Max
September 16 71.2°F67.8°F77.2°F
September 17 70.7°F66.6°F76.6°F
September 18 70.3°F66.6°F76.5°F
September 19 71.8°F65.7°F75.2°F
September 20 70.9°F65.8°F75.4°F
September 21 70.2°F66°F75.2°F
September 22 69.6°F66.6°F76.5°F
September 23 68.9°F65.8°F76.3°F
September 24 68.4°F65.5°F76.8°F
September 25 67.6°F64.9°F76.6°F
September 26 67.5°F64.2°F75.4°F
September 27 67.1°F63.9°F74.8°F
September 28 67.5°F63.5°F75.2°F
September 29 66.6°F62.6°F75°F
September 30 66.9°F62.1°F77.4°F
West Sayville water temp chart in September

Average water temperature in West Sayville in September over a decade

20152016201720182019
71.6°F71.2°F68.9°F72.1°F70.9°F
20202021202220232024
71.4°F75.9°F71.6°F71.4°F70.2°F

West Sayville sea state in September

Chart comparing the height of waves in West Sayville in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in West Sayville in September

West Sayville water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in September?

Want to know where the water temperature in September is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
New York City71.1°F64.8°F78.1°F
Great South Bay70.5°F62.8°F78.3°F
Bayport Beach70.2°F63°F77.5°F
Bay Shore70.5°F63°F78.3°F
Davis Park70°F63.5°F76.1°F
Ocean Beach70.2°F63.9°F76.3°F
Kismet70.2°F63.9°F76.6°F
Fire Island Pines70°F63.9°F76.1°F
Saltaire70.2°F63.9°F76.6°F
Babylon70.5°F63.3°F78.1°F

Long Island photo gallery

  • Long Island
  • Long Island
  • Long Island
  • Long Island

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Vote for Long Island best beach

Current rating: (0 votes cast)

If you know this place (West Sayville) and want to leave your comment or rate it, then fill out the following form.

Your rating for this place:

Does this place have a "Blue Flag" award [1], are there rip currents and what type of beach is it, sand or pebble:

Is the beach a dog-friendly place, child friendly or a nudist beach?


Your comments for this place (water quality, crowds, facilities, activities, lifeguards, service etc.):



[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

Get widget or API for your website

Our report for West Sayville is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Contact us: admin@seatemperature.info
privacy policy