The climate in Palu during September can be summarized as warm and very dry.
September is in the fall / autumn in Palu and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (87°F), whilst at night 15°C (58°F) is normal.
Daytime temperature | 30.4°C 86.6°F |
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Nightly temperature | 14.5°C 58°F |
Average temperature | 22.4°C 72.3°F |
Daily sunshine | 11.4 hrs |
Avg rainfall | 8 mm 0.3 ins |
Rainy days | 4 days |
Sea temperature | 25.7°C 78.3°F |
Humidity | 37% |
Windspeed | 4.7kph 3 mph |
On average September is the 3rd driest month of the year in Palu with around 8mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 11.4 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 Palu in September 2025.
Best places to visit in September
Hottest month: | July | 34.5°C 94.1°F |
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Driest month: | August | 4mm 0.2ins |
Sunniest month: | July | 14.5hrs |
Coldest month: | January | 2.9°C 37.2°F |
Wettest month: | December | 93mm 3.7ins |