Swimming in New York City in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in New York City in september 2025.
In september, according to seasonal norms, the sea temperature in New York City is:
Minimum: 67°F
Average: 70°F
Maximum: 74°F
Other useful seasonal weather averages in september:
- Outside temperature: 66°F to 77°F
- Most common weather: "Clear/Sunny"
- The wind blows at 11.8mph
- It rains a total of 5.5in, over 7 day(s).
Should we swim in New York City in september?
Yes! The water temperature in New York City in september is pleasant
Swimming in september is pleasant in New York City and the surrounding area. The sea temperature is 70°F on average (min/max: 67°F/74°F), allowing you to swim for a long time and enjoy water sports.
Note also that in september, the climate is good with an average outside temperature of 71°F, 5.4in of precipitation (over 7 days) and 78.83 % humidity.
Water and normal seasonal temperatures in New York City in september
| September | |||
| Average sea temperature | 70°F | ||
| Minimum sea temperature | 67°F | ||
| Maximum sea temperature | 74°F | ||
| Average outside temperature | 72°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 67°F | ||
| Wind speed | 9.9mph | ||
| Wind temperature | 67°F | ||
| Precipitation | 5.5in | ||
| Number of days of rain | 7 jour(s) (23%) | ||
| Humidity | 79% | ||
| Visibility in kilometers | 9.32km | ||
| Cloud cover | 33% | ||
| Our opinion | pleasant swimming |
Chart of the tides in september 2025
Tide times in september 2025 in New York City
Swim elsewhere in the United States (USA) in september
Swim in the United States (USA) in september: sea temperature by city