Swimming in Provincetown in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Provincetown in september 2025.
In september, according to seasonal norms, the sea temperature in Provincetown is:
Minimum: 60°F
Average: 64°F
Maximum: 68°F
Other useful seasonal weather averages in september:
- Outside temperature: 64°F to 68°F
- Most common weather: "Clear/Sunny"
- The wind blows at 11.2mph
- It rains a total of 4.5in, over 6 day(s).
Should we swim in Provincetown in september?
Yes... and no. The water temperature in Provincetown in september is cool
Swimming in september on the beaches of Provincetown is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 68°F, it can also be as low as 60°F! Note that the average is 64°F.
Note also that in september, the climate is good with an average outside temperature of 66°F, 4.5in of precipitation (over 6 days) and 83.16 % humidity.
Water and normal seasonal temperatures in Provincetown in september
| September | |||
| Average sea temperature | 64°F | ||
| Minimum sea temperature | 60°F | ||
| Maximum sea temperature | 68°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 68°F | ||
| Minimum outside temperature | 65°F | ||
| Wind speed | 16.2mph | ||
| Wind temperature | 65°F | ||
| Precipitation | 4.5in | ||
| Number of days of rain | 6 jour(s) (19%) | ||
| Humidity | 84% | ||
| Visibility in kilometers | 9.52km | ||
| Cloud cover | 32% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Provincetown
Swim elsewhere in the United States (USA) in september
Swim in the United States (USA) in september: sea temperature by city