September weather forecast
Paauilo, HI

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Weather in September

September, the first month of the autumn in Paauilo, is still a comfortable month, with an average temperature varying between 66.4°F (19.1°C) and 59°F (15°C).

Temperature

The transition from August to September sees average high-temperatures adjusting to a still enjoyable 66.4°F (19.1°C), from a not significantly different 67.5°F (19.7°C). Paauilo's average low temperature, barely cooler than the daytime high, steadies at a moderate 59°F (15°C) during September.

Humidity

The months with the highest humidity in Paauilo are September and October, with an average relative humidity of 84%.

Rainfall

In September, in Paauilo, the rain falls for 27.3 days. Throughout September, 3.31" (84mm) of precipitation is accumulated. Throughout the year, in Paauilo, there are 280.8 rainfall days, and 33.9" (861mm) of precipitation is accumulated.

Daylight

The average length of the day in September in Paauilo is 12h and 14min.
On the first day of the month, sunrise is at 6:06 am and sunset at 6:36 pm. On the last day of September, in Paauilo, sunrise is at 6:12 am and sunset at 6:10 pm HST.

Sunshine

In September, the average sunshine is 7.7h.

UV index

May through October, with an average maximum UV index of 5, are months with the highest UV index in Paauilo. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What are the temperatures in Paauilo in September?

In September, the average high-temperature and low-temperature in Paauilo, Hawaii, are 66.4°F (19.1°C) and 59°F (15°C) respectively.

What is the most humid month in Paauilo?

The months with the highest humidity in Paauilo, Hawaii, are September and October, with an average relative humidity of 84%.

What is the average humidity in September in Paauilo?

In September, the average relative humidity is 84%.

How many days does it rain in September in Paauilo?

In Paauilo, Hawaii, in September, during 27.3 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

How many hours of daylight does Paauilo have in September?

In Paauilo, Hawaii, the average day length in September is 12h and 14min.

When are sunrise and sunset in September in Paauilo?

In September, on the first day of the month, sunrise is at 6:06 am and sunset at 6:36 pm. On the last day of the month, in Paauilo, sunrise is at 6:12 am and sunset at 6:10 pm HST.

How many hours of sunshine does Paauilo have in September?

In Paauilo, the average sunshine duration in September is 7.7h.

When is the highest UV index in Paauilo?

May through October, with an average maximum UV index of 5, are months with the highest UV index in Paauilo.

How high is the UV index in September in Paauilo?

In September, the average daily maximum UV index in Paauilo, Hawaii, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Paauilo, HI

Average temperature in September - Paauilo, HI
  • Average high temperature in September: 66.4°F

The warmest month (with the highest average high temperature) is August (67.5°F).
The month with the lowest average high temperature is March (61.9°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is September (59°F).
The coldest month (with the lowest average low temperature) is February (52°F).

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Average pressure in September
Paauilo, HI

Average pressure in September - Paauilo, HI
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed in September
Paauilo, HI

Average wind speed in September - Paauilo, HI
  • Average wind speed in September: 4.6mph

The windiest months (with the highest average wind speed) are July and August (5.5mph).
The calmest months (with the lowest average wind speed) are January, May and October (4.5mph).

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Average humidity in September
Paauilo, HI

Average humidity in September - Paauilo, HI
  • Average humidity in September: 84%

The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is February (78%).

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Average rainfall in September
Paauilo, HI

Average rainfall in September - Paauilo, HI
  • Average rainfall in September: 3.31"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is June (1.57").

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Average rainfall days in September
Paauilo, HI

Average rainfall days in September - Paauilo, HI
  • Average rainfall days in September: 27.3 days

The month with the highest number of rainy days is September (27.3 days).
The month with the least rainy days is January (17.1 days).

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Average daylight in September /
Average sunshine in September
Paauilo, HI

Average daylight in September / Average sunshine in September - Paauilo, 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: 7h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in September
Paauilo, HI

Average sunshine days in September - Paauilo, HI
  • Average sunshine days in September: 0.8 days

The month with the most sunshine days is January (9.7 days).
The month with the least sunshine days is September (0.8 days).

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Average UV index in September
Paauilo, HI

Average UV index in September - Paauilo, HI
  • Average UV index in September: 5

The months with the highest UV index are May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).

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Average cloud cover in September
Paauilo, HI

Average cloud cover in September - Paauilo, HI
  • Average cloud cover in September: 43

The months with the most cloud cover are April and September (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 29).

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Average visibility in September
Paauilo, HI

Average visibility in September - Paauilo, 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).

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Paauilo, Hawaii, USA

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