September weather forecast
Le François, Martinique

September’s weather in Le François, Martinique, continues to display its tropical character. An enticing sea temperature of 29.4°C (84.9°F) steals attention, establishing an aquatic paradise for surfers, divers, fishermen, and casual swimmers. Extended rains nourish wildlife, heighten river levels, and prop up a brightly painted flora curtain across the city. Despite significant rain, the sunshine duration remains at a generous 7 hours, ensuring that the daylight hours offer plenty of room for exploration. Individuals with a fondness for nature transform into captivated spectators, observing the grandeur of weather's interplay with the elements.

Temperature

The warmest period is usually observed in May through October, with the average high-temperature peaking at 30°C (86°F).

Rainfall

In Le François, during September, the rain falls for 27 days and regularly aggregates up to 219mm (8.62") of precipitation. In Le François, during the entire year, the rain falls for 221 days and collects up to 1960mm (77.17") of precipitation.

Sea temperature

The month with the warmest seawater in Le François is September, with an average sea temperature of 29.4°C (84.9°F).
Note: Water activities including swimming and diving are pleasurable in temperatures between 25°C (77°F) and 29°C (84.2°F), ensuring comfort and enjoyment for extended time frames.

Daylight

In September, the average length of the day is 12h and 13min.
On the first day of September, sunrise is at 05:51 and sunset at 18:15. On the last day of the month, sunrise is at 05:53 and sunset at 17:53 AST.

Sunshine

The months with the least sunshine are September and October, with an average of 7h of sunshine.

UV index

The months with the highest UV index in Le François are March through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, a daily UV index of 12 turns into the following recommendations:
Carry out all crucial safety measures, unprotected skin may burn instantly. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. One must apply and reapply generously an SPF 30+ broad-spectrum sunscreen every two hours or after an outdoor workout or swim. Caution! Sand and water surfaces escalate the UV intensity from the Sun.