Swimming in Sint Maarten in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Sint Maarten in september 2025.
In september, according to seasonal norms, the sea temperature in Sint Maarten is:
Minimum: 83°F
Average: 85°F
Maximum: 87°F
Other useful seasonal weather averages in september:
- Outside temperature: 83°F to 84°F
- Most common weather: "Partly Cloudy"
- The wind blows at 18mph
- It rains a total of 8.3in, over 11 day(s).
Should we swim in Sint Maarten in september?
Yes! The water temperature in Sint Maarten in september is ideal
In september, swimming is ideal on the beaches around Sint Maarten! With water reaching 87°F at most and 85°F on average, spending time in the water is very pleasant.
Note also that in september, the climate is tolerable with an average outside temperature of 84°F, 8.3in of precipitation (over 11 days) and 77.71 % humidity.
Water and normal seasonal temperatures in Sint Maarten in september
| September | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 85°F | ||
| Wind speed | 14.3mph | ||
| Wind temperature | 85°F | ||
| Precipitation | 8.3in | ||
| Number of days of rain | 11 jour(s) (38%) | ||
| Humidity | 78% | ||
| Visibility in kilometers | 9.44km | ||
| Cloud cover | 39% | ||
| Our opinion | ideal swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Sint Maarten
Swim elsewhere in the Netherlands Antilles in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Curaçao in september | 85°F | 87°F | ideal swimming | Sint Eustatius (Statia) in september | 86°F | 87°F | ideal swimming |
Swim in the Netherlands Antilles in september: sea temperature by city