Mana
French Guiana
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Mana, French Guiana

The ideal sea water temperature of 28.2°C (82.8°F) make September the best time for swimming and other water activities in Mana, French Guiana.

Sea temperature

In Mana, the average seawater temperature is 28.2°C (82.8°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Mana, the average length of the day in September is 12.2h.

What is the water temperature in September in Mana?

In Mana, French Guiana, the average seawater temperature in September is 28.2°C (82.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in September in Mana?

The average length of the day in September is 12.2h.
Average sea temperature in September - Mana, French Guiana
  • Average sea temperature in September: 28.2°C

Best months for swimming (with the highest average sea temperature) are July and August (28.4°C).
The coldest month (with the lowest average sea temperature) is February (27°C).

Average daylight in September - Mana, French Guiana
  • Average daylight in September: 12.2h

Months with the longest days are May, June and July (Average daylight: 12.4h).
Months with shortest days are January and December (Average daylight: 11.8h).