Kombai Weather in September

The climate in Kombai during September can be summarized as hot, humid and wet.

September is in the fall / autumn in Kombai and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 20°C (69°F) is normal.

On average September is the 5th wettest month of the year in Kombai with around 173mm 6.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.9 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 Kombai in September 2025.