Ka‘a‘awa Weather in September

The climate in Ka‘a‘awa during September can be summarized as hot and wet.

September is in the fall / autumn in Ka‘a‘awa and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a warm 29°C (85°F), whilst at night 21°C (70°F) is normal.

On average September is the driest month of the year in Ka‘a‘awa with around 162mm 6.4 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 9.5 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 Ka‘a‘awa in September 2025.