Kahului Weather in September

What's the weather like in Kahului, United States in September 2019?

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

September is in the fall / autumn in Kahului and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 21°C (69°F) is normal.

Kahului weather averages (imperial / metric)
Daytime temperature 30.5°C 86.8°F
Nightly temperature 20.8°C 69.4°F
Average temperature 25.6°C 78.1°F
Daily sunshine 8.7 hrs
Avg rainfall 22 mm 0.9 ins
Rainy days 6 days
Sea temperature 26.8°C 80.3°F
Humidity 71%
Windspeed 19.8kph 12 mph

On average September is the 2nd driest month of the year in Kahului with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.7 hours of sunshine per day.

September temperatures in Kahului

September rainfall

September hourly sunshine

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 September 2019.

Other monthly averages

UV index

Kahului weather stats

Kahului weather statistics
Hottest month: August 30.2°C 86.4°F
Driest month: June 20mm 0.8ins
Sunniest month: September 8.7hrs
Coldest month: January 26.1°C 79°F
Wettest month: January 138mm 5.4ins
Map showing location of Kahului (20.89472, -156.47)

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