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 86.6°F и 85.6°F respectivly.

The average sea surface temperature in September 2026 for Chaweng Beach was 89.2°F. The maximum and minimum values were 88.2°F and 90.0°F respectively.

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

Precipitation total in September for Chaweng Beach is 4.1 in.

The average wind speed in September is 12.1 mph. It makes September one of the most windy months of the year for Chaweng Beach.

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 Chaweng Beach in September is 6.3 hours.