Temperatures in September
It's hot in September in Kahalu'u with an average temperature of 30°C. Temperatures this month range from a low of 30°C to a high of 31°C. At night, you can expect temperatures between 24°C and 25°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Kahalu'u in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Kahalu'u with hot temperatures, averaging around 31°C during the day and nights close to 25°C. There’s little chance of precipitation. The weather is mostly sunny and dry. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-September
By mid-September, the average daytime temperature drops to around 30°C, with nights close to 25°C. There might be a few showers during this period, but plenty of dry days with sunshine too. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of September
By the end of September, the average daytime temperature in Kahalu'u will be around 30°C, with nights close to 25°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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Precipitation in September
In September, there is an average of 42 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the East.
The average precipitation chance is 33% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Kahalu'u. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Kahalu'u in September |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 20°C | |
 High Temp |
31°C | 22°C | |
| Low Temp |
30°C | 17°C | |
 Total Precipitation |
42 mm | 44 mm | |
| Rainy Days |
10 days | 8 days | |
August
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Kahalu'u?
September is a great month to be in Kahalu'u for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Kahalu'u in September
With 35°C, Kahalu'u hit the highest temperature in the last 10 years in September 2015. The lowest daytime temperature in this month was 26°C in 2015. The extreme night temperatures ranged from a low of 20°C to a high of 27°C.
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Daily Temperature in September in Kahalu'u
This chart shows the average daily temperatures, both day and night, for each day in September in Kahalu'u, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Kahalu'u
The chart below shows the average daily precipitation in September for Kahalu'u, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 10 days of rain in Kahalu'u.
Daily UV Index in September in Kahalu'u
This chart shows the average daily UV index in September in Kahalu'u, 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.
Temperature in September in Kahalu'u Over the Years
This chart shows the average temperature in September in Kahalu'u, measured in degrees Celsius, over the past years.
Total Precipitation in September in Kahalu'u Over the Years
This chart shows the average precipitation in September in Kahalu'u, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Kahalu'u
Click on a specific day in September for detailed info on the typical weather on that day in Kahalu'u. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Kahalu'u
Have you been to Kahalu'u in September?
Share your weather experience in September in Kahalu'u.
Average Weather in Kahalu'u by Month
Click on a month below to see detailed weather info for Kahalu'u. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
