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 shift to September signals an average high-temperature of a still moderately hot 80.4°F (26.9°C), subtly varied from August's 80.8°F (27.1°C). The temperature in Puuwai during September nights demonstrates a small drop from the daytime highs, settling to an average of 76.3°F (24.6°C).Humidity
The months with the lowest humidity are January, May, September and November, with an average relative humidity of 74%.Rainfall
In September, the rain falls for 13.3 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 172.7 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Daylight
The average length of the day in September in Puuwai, Hawaii, is 12h and 16min.On the first day of the month, sunrise is at 6:24 am and sunset at 6:56 pm. On the last day of September, in Puuwai, sunrise is at 6:32 am and sunset at 6:28 pm HST.
Sunshine
In Puuwai, the average sunshine in September is 9.3h.UV index
The months with the highest UV index in Puuwai are July through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the temperature in September in Puuwai?
What is the least humid month in Puuwai?
What is the average humidity in September in Puuwai?
How many days does it rain in September in Puuwai?
How many hours of daylight does Puuwai have in September?
What time are sunrise and sunset in September in Puuwai?
How many hours of sunshine does Puuwai have in September?
When is the highest UV index in Puuwai?
What is the UV index reading in September in Puuwai?
Average temperature in September
Puuwai, HI
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is August (80.8°F).
The months with the lowest average high temperature are February and March (73.4°F).
- Average low temperature in September: 76.3°F
The month with the highest average low temperature is September (76.3°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure in September
Puuwai, HI
- Average pressure in September: 29.98"Hg
The months with the highest atmospheric pressure are March and April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed in September
Puuwai, HI
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is May (8.6mph).
Average humidity in September
Puuwai, HI
- Average humidity in September: 74%
The months with the highest relative humidity are February, March, April, June, July, August, October and December (75%).
The months with the lowest relative humidity are January, May, September and November (74%).
Average rainfall in September
Puuwai, HI
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in September
Puuwai, HI
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is January (11.5 days).
Average daylight in September /
Average sunshine in September
Puuwai, HI
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).
Average sunshine days in September
Puuwai, HI
- Average sunshine days in September: 11 days
The month with the most sunshine days is January (13.8 days).
The month with the least sunshine days is November (6.7 days).
Average UV index in September
Puuwai, HI
- Average UV index in September: 7
The months with the highest UV index are July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 6).
Average cloud cover in September
Puuwai, HI
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are January and September (Cloud cover 28).
Average visibility in September
Puuwai, 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).
Puuwai, Hawaii, USA
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