Kuching Weather in September
What's the weather like in Kuching (Sarawak) in September 2025?
The climate in Kuching during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Kuching and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 32°C 89.5°F |
|---|---|
| Nightly temperature | 22.7°C 72.8°F |
| Average temperature | 27.3°C 81.1°F |
| Daily sunshine | 5.4 hrs |
| Avg rainfall | 260 mm 10.2 ins |
| Rainy days | 21 days |
| Sea temperature | 29.8°C 85.6°F |
| Humidity | 84% |
| Windspeed | 4.3kph 3 mph |
On average September is the 5th driest month of the year in Kuching with around 260mm 10.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
September temperatures in Kuching
September rainfall
September hourly sunshine
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 Kuching in September 2025.
Other monthly averages
Best places to visit in September
Kuching weather stats
| Hottest month: | May | 32.3°C 90.1°F |
|---|---|---|
| Driest month: | July | 194mm 7.6ins |
| Sunniest month: | June | 6.8hrs |
| Coldest month: | January | 29.4°C 84.9°F |
| Wettest month: | January | 747mm 29.4ins |
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