Kapa‘a Weather in September

What's the weather like in Kapa‘a (Hawaii) in September 2024?

The climate in Kapa‘a during September can be summarized as hot, humid and wet.

September is in the fall / autumn in Kapa‘a and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 22°C (72°F) is normal.

Kapa‘a weather averages (imperial / metric)
Daytime temperature 28.6°C 83.5°F
Nightly temperature 22.3°C 72.2°F
Average temperature 25.5°C 77.8°F
Daily sunshine 8.6 hrs
Avg rainfall 154 mm 6.1 ins
Rainy days 16 days
Sea temperature 26.9°C 80.3°F
Humidity 74%
Windspeed 19.8kph 12 mph

On average September is the 2nd driest month of the year in Kapa‘a with around 154mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.6 hours of sunshine per day.

September temperatures in Kapa‘a

Kapa‘a average temperature in September

September rainfall

Kapa‘a average rain in September

September hourly sunshine

Kapa‘a average rain in September

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 Kapa‘a in September 2024.