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
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.
Day | 2025 | 2024 |
---|---|---|
September 1 | 62.6°F | 68°F |
September 2 | 64.4°F | 66.2°F |
September 3 | 64.4°F | 66.2°F |
September 4 | 64.4°F | 66.2°F |
September 5 | 64.4°F | 64.4°F |
September 6 | 62.6°F | 62.6°F |
September 7 | 62.6°F | 60.8°F |
September 8 | 62.6°F | 62.6°F |
September 9 | 60.8°F | 62.6°F |
September 10 | 60.8°F | 62.6°F |
September 11 | 60.8°F | 62.6°F |
September 12 | 62.6°F | 64.4°F |
September 13 | 62.6°F | 66.2°F |
September 14 | 64.4°F | 68°F |
September 15 | 64.4°F | 68°F |
Day | 2025 | 2024 |
---|---|---|
September 16 | 66.2°F | 68°F |
September 17 | 64.4°F | 69.8°F |
September 18 | 64.4°F | 68°F |
September 19 | 62.6°F | 68°F |
September 20 | 64.4°F | 68°F |
September 21 | 64.4°F | 66.2°F |
September 22 | 64.4°F | 66.2°F |
September 23 | 64.4°F | 64.4°F |
September 24 | 64.4°F | 64.4°F |
September 25 | 66.2°F | 64.4°F |
September 26 | 66.2°F | 62.6°F |
September 27 | 64.4°F | |
September 28 | 62.6°F | |
September 29 | 64.4°F | |
September 30 | 64.4°F |
2015 | 2016 | 2017 | 2018 | 2019 |
67.8°F | 64°F | 68.4°F | 64.6°F |
2020 | 2021 | 2022 | 2023 | 2024 |
64.8°F | 66.4°F | 63.9°F | 64°F | 65.3°F |
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
You can also view information about water temperature for other months by clicking on the month button below