The highest day temperature in September 2023 was 91°F. The lowest night temperature was 78°F. The average values for day and night temperatures during September were 87.3°F и 80.1°F respectivly.

The average sea surface temperature in September 2023 for Corn Islands was 89.9°F. The maximum and minimum values were 89.2°F and 90.4°F respectively.

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

Precipitation total in September for Corn Islands is 5.3 in.

The average wind speed in September is 4.6 mph. It makes September the most windless month of the year for Corn Islands.

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 Corn Islands in September is 3.8 hours.