The climate in Kut Chum during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Kut Chum and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 31°C 87.8°F | 
|---|---|
| Nightly temperature | 23.6°C 74.5°F | 
| Average temperature | 27.3°C 81.1°F | 
| Daily sunshine | 6 hrs | 
| Avg rainfall | 275 mm 10.8 ins | 
| Rainy days | 18 days | 
| Sea temperature | 29.1°C 84.4°F | 
| Humidity | 82% | 
| Windspeed | 4.3kph 3 mph | 
On average September is the 2nd wettest month of the year in Kut Chum with around 275mm 10.8 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 6 hours of sunshine per day.
				
						
						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 Kut Chum in September 2025.
Best places to visit in September
| Hottest month: | April | 35.1°C 95.2°F | 
|---|---|---|
| Driest month: | December | 1mm 0ins | 
| Sunniest month: | January | 9.8hrs | 
| Coldest month: | December | 28.3°C 82.9°F | 
| Wettest month: | August | 310mm 12.2ins |