Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The yearly peak temperatures occur in August and September, averaging a high-temperature of 80.2°F (26.8°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In Kamalō, in September, it is raining for 10.1 days, with typically 0.75" (19mm) of accumulated precipitation. In Kamalō, during the entire year, the rain falls for 126.4 days and collects up to 9.84" (250mm) of precipitation.Daylight
In Kamalō, the average length of the day in September is 12h and 15min.On the first day of September, sunrise is at 6:11 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 6:15 pm HST.
Sunshine
The average sunshine in September is 9.5h.UV index
June through October, with an average maximum UV index of 7, are months with the highest UV index in Kamalō. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 7 transforms into these recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
What are September temperatures?
What is the average humidity in September in Kamalō?
How many days does it rain in September?
How many hours of daylight does Kamalō have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Kamalō?
What are the months with the highest UV index?
What is the UV index reading in September?
Average temperature in September
Kamalō, HI
- Average high temperature in September: 80.2°F
The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in September: 77.2°F
The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).
Average pressure in September
Kamalō, HI
- Average pressure in September: 29.97"Hg
The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in September
Kamalō, HI
- Average wind speed in September: 11.8mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).
Average humidity in September
Kamalō, HI
- Average humidity in September: 75%
The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in September
Kamalō, HI
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in September
Kamalō, HI
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).
Average daylight in September /
Average sunshine in September
Kamalō, HI
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Kamalō, HI
- Average sunshine days in September: 12.7 days
The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in September
Kamalō, HI
- Average UV index in September: 7
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover in September
Kamalō, HI
- Average cloud cover in September: 23
The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in September
Kamalō, HI
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Kamalō, Hawaii, USA
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