Temperatures in September
It's hot in September in Mililani with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 21°C and 23°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Mililani 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 Mililani with hot temperatures, averaging around 30°C during the day and nights close to 22°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-September
By mid-September, the average daytime temperature stays the same at 30°C, with nights close to 22°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of September
By the end of September, the average daytime temperature in Mililani will be around 30°C, with nights close to 23°C. A shower might show up, but overall the weather will be dry and sunny.
Precipitation in September
In September, there is an average of 77 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the East.
The average precipitation chance is 28% 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 Mililani. 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.
Mililani in September |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 20°C | |
 High Temp |
30°C | 22°C | |
| Low Temp |
29°C | 17°C | |
 Total Precipitation |
77 mm | 44 mm | |
| Rainy Days |
8 days | 8 days | |
August
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Mililani?
September is a great month to be in Mililani for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Mililani in September
With 32°C, Mililani hit the highest temperature in the last 10 years in September 2020. The lowest daytime temperature in this month was 25°C in 2015. The extreme night temperatures ranged from a low of 18°C to a high of 25°C.
Check out the climate of Mililani for all months and discover the best travel time
Daily Temperature in September in Mililani
This chart shows the average daily temperatures, both day and night, for each day in September in Mililani, 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 Mililani
The chart below shows the average daily precipitation in September for Mililani, 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 8 days of rain in Mililani.
Daily UV Index in September in Mililani
This chart shows the average daily UV index in September in Mililani, 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 Mililani Over the Years
This chart shows the average temperature in September in Mililani, measured in degrees Celsius, over the past years.
Total Precipitation in September in Mililani Over the Years
This chart shows the average precipitation in September in Mililani, 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 Mililani
Click on a specific day in September for detailed info on the typical weather on that day in Mililani. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Mililani
Have you been to Mililani in September?
Share your weather experience in September in Mililani.
Average Weather in Mililani by Month
Click on a month below to see detailed weather info for Mililani. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
