The highest day temperature in September 2026 was 97°F. The lowest night temperature was 73°F. The average values for day and night temperatures during September were 85.2°F и 79.9°F respectivly.

The average sea surface temperature in September 2026 for Kumkoy was 87.1°F. The maximum and minimum values were 85.0°F and 88.8°F respectively.

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

Precipitation total in September for Kumkoy is 0.3 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 6.9 mph. This value is relatively stable throughout the year.

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 Kumkoy in September is 11.5 hours.