The climate in Kuala Sungai Baru during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Kuala Sungai Baru and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 31.1°C 88°F |
|---|---|
| Nightly temperature | 22.5°C 72.5°F |
| Average temperature | 26.8°C 80.2°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 201 mm 7.9 ins |
| Rainy days | 18 days |
| Sea temperature | 29.3°C 84.7°F |
| Humidity | 85% |
| Windspeed | 5.4kph 3 mph |
On average September is the 4th wettest month of the year in Kuala Sungai Baru with around 201mm 7.9 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 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 Kuala Sungai Baru in September 2025.
Best places to visit in September
| Hottest month: | March | 32.5°C 90.5°F |
|---|---|---|
| Driest month: | February | 98mm 3.9ins |
| Sunniest month: | February | 7.4hrs |
| Coldest month: | December | 30.7°C 87.3°F |
| Wettest month: | October | 232mm 9.1ins |