September weather forecast
Pohoiki, HI

Weather in September

September, the first month of the autumn in Pohoiki, is still a warm month, with an average temperature fluctuating between 70°F (21.1°C) and 75.2°F (24°C).

Temperature

In Pohoiki, the average high-temperature in September is practically the same as in August - a still warm 75.2°F (24°C). The average low-temperature, in September, is 70°F (21.1°C).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In September, in Pohoiki, the rain falls for 19.2 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. In Pohoiki, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.

Daylight

The average length of the day in September in Pohoiki is 12h and 14min.
On the first day of September, sunrise is at 6:04 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 6:08 pm HST.

Sunshine

In September, the average sunshine in Pohoiki, Hawaii, is 8.8h.

UV index

May through December, with an average maximum UV index of 6, are months with the highest UV index in Pohoiki. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Pohoiki?

The average relative humidity in September in Pohoiki, Hawaii, is 79%.

How much does it rain in Pohoiki in September?

In Pohoiki, in September, it is raining for 19.2 days, with typically 1.81" (46mm) of accumulated precipitation.

What is the average length of the day in September in Pohoiki?

The average day length in September in Pohoiki is 12h and 14min.

When is the sunrise / sunset in September in Pohoiki?

On the first day of September, sunrise is at 6:04 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 6:08 pm HST.

How long on average sun shines in September in Pohoiki?

In Pohoiki, the average sunshine duration in September is 8.8h.

What are the months with the highest UV index in Pohoiki?

May through December, with an average maximum UV index of 6, are months with the highest UV index in Pohoiki, Hawaii.

How high is the UV index in September in Pohoiki?

The average daily maximum UV index in September in Pohoiki is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Pohoiki, HI

Average temperature in September - Pohoiki, HI
  • Average high temperature in September: 75.2°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).

  • Average low temperature in September: 70°F

The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).

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Average pressure in September
Pohoiki, HI

Average pressure in September - Pohoiki, 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
Pohoiki, HI

Average wind speed in September - Pohoiki, HI
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).

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Average humidity in September
Pohoiki, HI

Average humidity in September - Pohoiki, HI
  • Average humidity in September: 79%

The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).

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Average rainfall in September
Pohoiki, HI

Average rainfall in September - Pohoiki, HI
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").

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Average rainfall days in September
Pohoiki, HI

Average rainfall days in September - Pohoiki, HI
  • Average rainfall days in September: 19.2 days

The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).

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

Average daylight in September / Average sunshine in September - Pohoiki, HI
  • Average daylight in September: 12h and 14min

The month with the longest days is June (Average daylight: 13h and 17min).
The month with the shortest days is December (Average daylight: 10h and 59min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in September
Pohoiki, HI

Average sunshine days in September - Pohoiki, HI
  • Average sunshine days in September: 2.5 days

The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).

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Average UV index in September
Pohoiki, HI

Average UV index in September - Pohoiki, HI
  • Average UV index in September: 6

The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).

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Average cloud cover in September
Pohoiki, HI

Average cloud cover in September - Pohoiki, HI
  • Average cloud cover in September: 29

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).

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Average visibility in September
Pohoiki, HI

Average visibility in September - Pohoiki, 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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