The highest day temperature in September 2025 was 79°F. The lowest night temperature was 64°F. The average values for day and night temperatures during September were 75.3°F и 69.7°F respectivly.

The average sea surface temperature in September 2025 for Le Morne was 77.9°F. The maximum and minimum values were 77.2°F and 78.6°F respectively.

Most of the days in September are cloudy but you can also expect sunny or gloomy days.

Precipitation total in September for Le Morne is 0.8 in. It makes september the least rainy month of the year.

The average wind speed in September is 12.6 mph. It makes September one of the most windy months of the year for Le Morne.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Le Morne in September is 6.8 hours.