Ko Si Chang Weather in September

What's the weather like in Ko Si Chang (Chon Buri) in September 2024?

The climate in Ko Si Chang during September can be summarized as very hot, humid and very wet.

September is in the fall / autumn in Ko Si Chang and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 25°C (77°F) is normal.

Ko Si Chang weather averages (imperial / metric)
Daytime temperature 31.1°C 88°F
Nightly temperature 24.9°C 76.8°F
Average temperature 28°C 82.4°F
Daily sunshine 5.2 hrs
Avg rainfall 276 mm 10.9 ins
Rainy days 18 days
Sea temperature 29°C 84.2°F
Humidity 81%
Windspeed 6.7kph 4 mph

On average September is the wettest month of the year in Ko Si Chang with around 276mm 10.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.2 hours of sunshine per day.

September temperatures in Ko Si Chang

Ko Si Chang average temperature in September

September rainfall

Ko Si Chang average rain in September

September hourly sunshine

Ko Si Chang average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ko Si Chang in September 2024.

Other monthly averages

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Ko Si Chang weather stats

Ko Si Chang weather statistics
Hottest month: April 33.1°C 91.6°F
Driest month: December 11mm 0.4ins
Sunniest month: December 9hrs
Coldest month: December 30.2°C 86.4°F
Wettest month: September 276mm 10.9ins
Map showing location of Ko Si Chang (13.16388, 100.80547) Ko Si Chang map pin © Google

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