Waikapū Weather in September

What's the weather like in Waikapū (Hawaii) in September 2024?

The climate in Waikapū during September can be summarized as hot, humid and reasonably dry.

September is in the fall / autumn in Waikapū and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 18°C (65°F) is normal.

Waikapū weather averages (imperial / metric)
Daytime temperature 27.6°C 81.7°F
Nightly temperature 18.4°C 65.1°F
Average temperature 23°C 73.4°F
Daily sunshine 9.1 hrs
Avg rainfall 56 mm 2.2 ins
Rainy days 8 days
Sea temperature 26.8°C 80.3°F
Humidity 71%
Windspeed 19.4kph 12 mph

On average September is the 3rd driest month of the year in Waikapū with around 56mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.1 hours of sunshine per day.

September temperatures in Waikapū

Waikapū average temperature in September

September rainfall

Waikapū average rain in September

September hourly sunshine

Waikapū 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 Waikapū in September 2024.