Lancang Weather in September
What's the weather like in Lancang (East Java) in September 2025?
The climate in Lancang during September can be summarized as very hot and reasonably dry.
September is in the spring in Lancang and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a warm 32°C (90°F), whilst at night 24°C (76°F) is normal.
| Daytime temperature | 32.3°C 90.1°F |
|---|---|
| Nightly temperature | 24.3°C 75.7°F |
| Average temperature | 28.3°C 82.9°F |
| Daily sunshine | 11.1 hrs |
| Avg rainfall | 32 mm 1.2 ins |
| Rainy days | 2 days |
| Sea temperature | 28.2°C 82.8°F |
| Humidity | 69% |
| Windspeed | 13.5kph 8 mph |
On average September is the 3rd driest month of the year in Lancang with around 32mm 1.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.1 hours of sunshine per day.
September temperatures in Lancang
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 Lancang in September 2025.
Other monthly averages
Best places to visit in September
Lancang weather stats
| Hottest month: | October | 33°C 91.4°F |
|---|---|---|
| Driest month: | August | 18mm 0.7ins |
| Sunniest month: | August | 11.5hrs |
| Coldest month: | July | 30.9°C 87.6°F |
| Wettest month: | January | 266mm 10.5ins |
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