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
On the advent of September, Puako's average high-temperature exhibits a minor adjustment to a still moderately hot 78.3°F (25.7°C) from August's 78.4°F (25.8°C). September is characterized by a steady nighttime low-temperature of 74.8°F (23.8°C).Humidity
The average relative humidity in September is 76%.Rainfall
In September, in Puako, the rain falls for 13.4 days. Throughout September, 0.75" (19mm) of precipitation is accumulated. In Puako, during the entire year, the rain falls for 136 days and collects up to 8.5" (216mm) of precipitation.Daylight
In Puako, the average length of the day in September is 12h and 14min.On the first day of the month, sunrise is at 6:07 am and sunset at 6:38 pm. On the last day of September, sunrise is at 6:14 am and sunset at 6:11 pm HST.
Sunshine
The average sunshine in September is 9.5h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index in Puako are January through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 during September leads to these advisories:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the temperature in September in Puako?
What is the average humidity in September in Puako?
How many days does it rain in September in Puako?
How many hours of daylight does Puako have in September?
When is the sunrise / sunset in September in Puako?
How many hours of sunshine does Puako have in September?
What are the months with the highest UV index in Puako?
When is the lowest UV index in Puako?
What is the UV index reading in September in Puako?
Average temperature in September
Puako, HI
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is February (73.2°F).
- Average low temperature in September: 74.8°F
The months with the highest average low temperature are August, September and October (74.8°F).
The coldest month (with the lowest average low temperature) is March (69.4°F).
Average pressure in September
Puako, HI
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in September
Puako, HI
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in September
Puako, HI
- Average humidity in September: 76%
The months with the highest relative humidity are June, July and August (77%).
The month with the lowest relative humidity is February (71%).
Average rainfall in September
Puako, HI
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
Puako, HI
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (8.1 days).
Average daylight in September /
Average sunshine in September
Puako, HI
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 18min).
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 24min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in September
Puako, HI
- Average sunshine days in September: 8.3 days
The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is October (6.8 days).
Average UV index in September
Puako, HI
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Puako, HI
- Average cloud cover in September: 18
The months with the most cloud cover are April, May and June (Cloud cover 21).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in September
Puako, 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).
Puako, Hawaii, USA
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