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United StatesThe weather in September in Kahului
It's hot in September in Kahului with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 23°C and 24°C.
September is a good month to be in Kahului for sunny weather. You’ll have high temperatures and not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Kahului, Hawaii. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 35°C in 2020, Kahului reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 27°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 17°C to a highest value of 27°C.
Rainfall amount
In September, there is an average of 30 mm of precipitation, spread over 6 days. The wind speed is around 5 Bft, mostly coming from the Northeast.
Daily weather in September for Kahului
Click on any day in September to get detailed info about the usual weather on that day in Kahului. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Kahului | New York | |
|---|---|---|
| Average temperature | 32°C | 27°C |
| Max. temperature | 33°C | 31°C |
| Min. temperature | 23°C | -5°C |
| Total precipitation | 30 mm | 57 mm |
| Rainy days | 6 days | 9 days |
Start of September
The month of September starts in Kahului with hot temps, averaging around 33°C during the day and nights around 24°C.
Mid September
By mid-September, daytime temps stay steady at around 33°C, with nights around 24°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Kahului is around 33°C, while nighttime temps are about 24°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Kahului for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Kahului, Hawaii. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Kahului
Temperature in September in Kahului over the years
Precipitation charts
These charts show the average amount of precipitation in September in Kahului, Hawaii. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Kahului
Total precipitation in September in Kahului over the years
Daily UV index in September in Kahului
This chart shows the average daily UV index in September in Kahului, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Kahului
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Average weather in Kahului by month
Click on a month below to see detailed weather info for Kahului. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.