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United StatesThe weather in September in 'Aiea
It's hot in September in 'Aiea with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 24°C and 26°C.
Looking for sun? September isn’t a good month to be in 'Aiea. The temperature is nice, but there’s too much chance of 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 'Aiea, 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 34°C in 2014, 'Aiea reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 26°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 28°C.
Rainfall amount
In September, there is an average of 109 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the East.
Daily weather in September for 'Aiea
Click on any day in September to get detailed info about the usual weather on that day in 'Aiea. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| 'Aiea | New York | |
|---|---|---|
| Average temperature | 31°C | 27°C |
| Max. temperature | 32°C | 31°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 109 mm | 57 mm |
| Rainy days | 11 days | 9 days |
Start of September
The month of September starts in 'Aiea with hot temps, averaging around 32°C during the day and nights around 26°C.
Mid September
By mid-September, daytime temps stay steady at around 32°C, with nights around 26°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in 'Aiea is around 32°C, while nighttime temps are about 26°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 'Aiea for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in 'Aiea, Hawaii. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in 'Aiea
Temperature in September in 'Aiea over the years
Precipitation charts
These charts show the average amount of precipitation in September in 'Aiea, 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 'Aiea
Total precipitation in September in 'Aiea over the years
Daily UV index in September in 'Aiea
This chart shows the average daily UV index in September in 'Aiea, 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 'Aiea
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Average weather in 'Aiea by month
Click on a month below to see detailed weather info for 'Aiea. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.