The highest day temperature in September 2025 was 97°F. The lowest night temperature was 77°F. The average values for day and night temperatures during September were 90.8°F и 80.4°F respectivly.

The average sea surface temperature in September 2025 for Narathiwat was 89.9°F. The maximum and minimum values were 89.2°F and 90.8°F respectively.

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

Precipitation total in September for Narathiwat is 4.5 in.

The average wind speed in September is 5.1 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 Narathiwat in September is 6.9 hours.