Swimming in Saint John’s in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Saint John’s in september 2025.
In september, according to seasonal norms, the sea temperature in Saint John’s is:
Minimum: 83°F
Average: 85°F
Maximum: 87°F
Other useful seasonal weather averages in september:
- Outside temperature: 83°F to 85°F
- Most common weather: "Moderate rain at times"
- The wind blows at 18mph
- It rains a total of 8.3in, over 10 day(s).
Should we swim in Saint John’s in september?
Yes! The water temperature in Saint John’s in september is ideal
In september, swimming is ideal on the beaches around Saint John’s! 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, 8.2in of precipitation (over 10 days) and 77.55 % humidity.
Water and normal seasonal temperatures in Saint John’s 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 | 14.9mph | ||
| Wind temperature | 85°F | ||
| Precipitation | 8.3in | ||
| Number of days of rain | 10 jour(s) (35%) | ||
| Humidity | 78% | ||
| Visibility in kilometers | 9.42km | ||
| Cloud cover | 40% | ||
| Our opinion | ideal swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Saint John’s
Swim elsewhere on Antigua and Barbuda in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Jolly Harbour in september | 85°F | 87°F | ideal swimming |
Swim on Antigua and Barbuda in september: sea temperature by city