The highest day temperature in September 2026 was 89°F. The lowest night temperature was 84°F. The average values for day and night temperatures during September were 86.8°F и 85.3°F respectivly.

The average sea surface temperature in September 2026 for Pearl Islands was 89.1°F. The maximum and minimum values were 88.4°F and 89.8°F respectively.

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

Precipitation total in September for Pearl Islands is 4.1 in.

The average wind speed in September is 6.0 mph. It makes September one of the most windless months of the year for Pearl 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 Pearl Islands in September is 3.7 hours.