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Water temperature in Syracuse (NY) in September

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Is it warm enough to swim in Syracuse in September? Average water temperature in Syracuse in September is 65.5°F and therefore is not suitable for comfortable swimming. The warmest water in Syracuse in September is 75.2°F, and the coldest is 53.6°F. Average high air temperature in Syracuse in September is 72°F, and average low temperature is 52°F. To find out the water temperature today and in the coming days, go to Current water temperature in Syracuse

Changes water temperature in Syracuse in September 2025, 2024

To get an accurate forecast for the water temperature in Syracuse for any chosen month, compare two years within a 10 year range using the chart below.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024
September 162.6°F68°F
September 264.4°F66.2°F
September 364.4°F66.2°F
September 464.4°F66.2°F
September 564.4°F64.4°F
September 662.6°F62.6°F
September 762.6°F60.8°F
September 862.6°F62.6°F
September 960.8°F62.6°F
September 1060.8°F62.6°F
September 1160.8°F62.6°F
September 1262.6°F64.4°F
September 1362.6°F66.2°F
September 1464.4°F68°F
September 1564.4°F68°F
Day 2025 2024
September 1666.2°F68°F
September 1764.4°F69.8°F
September 1864.4°F68°F
September 1962.6°F68°F
September 2064.4°F68°F
September 2164.4°F66.2°F
September 2264.4°F66.2°F
September 2364.4°F64.4°F
September 2464.4°F64.4°F
September 2566.2°F64.4°F
September 2666.2°F62.6°F
September 27 64.4°F
September 28 62.6°F
September 29 64.4°F
September 30 64.4°F

Average water temperature in Syracuse in September over a decade

20152016201720182019
67.8°F64°F68.4°F64.6°F
20202021202220232024
64.8°F66.4°F63.9°F64°F65.3°F

Weather and climate in Syracuse in September

This data display average monthly climate indicators in Syracuse in September based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature72°F
  • Average LOW temperature52°F
  • Average humidity
    76
  • Average rainfall days12 days
  • Average rainfall94mm/3.7''
  • Average daylight12h
  • Average sunshine6.4h
  • Average UV index6

Syracuse 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

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[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.

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Our report for Syracuse 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.

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