The highest day temperature in September 2024 was 87°F. The lowest night temperature was 77°F. The average values for day and night temperatures during September were 85.6°F и 77.9°F respectivly.

The average sea surface temperature in September 2024 for Watamu was 82.8°F. The maximum and minimum values were 82.4°F and 83.4°F respectively.

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

Precipitation total in September for Watamu is 1.6 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 14.7 mph.

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 Watamu in September is 6.8 hours.