Swimming in Cayenne in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Cayenne in september 2025.
In september, according to seasonal norms, the sea temperature in Cayenne is:
Minimum: 81°F
Average: 84°F
Maximum: 86°F
Other useful seasonal weather averages in september:
- Outside temperature: 76°F to 89°F
- Most common weather: "Clear/Sunny"
- The wind blows at 15.5mph
- It rains a total of 2.4in, over 4 day(s).
Should we swim in Cayenne in september?
Yes! The water temperature in Cayenne in september is ideal
In september, swimming is ideal on the beaches around Cayenne! With water reaching 86°F at most and 84°F on average, spending time in the water is very pleasant.
Note also that in september, the climate is good with an average outside temperature of 83°F, 2.4in of precipitation (over 4 days) and 89.98 % humidity.
Water and normal seasonal temperatures in Cayenne in september
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 90°F | ||
| Minimum outside temperature | 77°F | ||
| Wind speed | 9.3mph | ||
| Wind temperature | 77°F | ||
| Precipitation | 2.4in | ||
| Number of days of rain | 4 jour(s) (13%) | ||
| Humidity | 90% | ||
| Visibility in kilometers | 9.73km | ||
| Cloud cover | 27% | ||
| Our opinion | ideal swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Cayenne
Swim elsewhere in French Guyana in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Kourou in september | 83°F | 86°F | ideal swimming | Mana in september | 83°F | 86°F | ideal swimming | Rémire-Montjoly in september | 83°F | 86°F | ideal swimming |