The highest day temperature in September 2023 was 92°F. The lowest night temperature was 83°F. The average values for day and night temperatures during September were 89.4°F и 84.3°F respectivly.

The average sea surface temperature in September 2023 for Les Trois-Ilets was 90.5°F. The maximum and minimum values were 89.6°F and 91.0°F respectively.

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

Precipitation total in September for Les Trois-Ilets is 4.2 in. It makes september one of the most rainy months of the year.

The average wind speed in September is 10.7 mph. It makes September the most windless month of the year for Les Trois-Ilets.

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 Les Trois-Ilets in September is 6.6 hours.