September weather forecast
Pahala, HI

Weather in September

September, the first month of the autumn in Pahala, is still a pleasant month, with an average temperature varying between 73°F (22.8°C) and 69.8°F (21°C).

Temperature

In Pahala, the average high-temperature in September is essentially the same as in August - a still agreeable 73°F (22.8°C). In Pahala, Hawaii, in September, the average low-temperature is 69.8°F (21°C).

Humidity

The months with the highest humidity in Pahala are June through September, with an average relative humidity of 81%.

Rainfall

The month with the most rainfall in Pahala is September, when the rain falls for 21.5 days and typically aggregates up to 1.81" (46mm) of precipitation.

Daylight

In September, the average length of the day 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 Pahala, sunrise is at 6:12 am and sunset at 6:11 pm HST.

Sunshine

In Pahala, the average sunshine in September is 8.7h.

UV index

May through October, with an average maximum UV index of 6, are months with the highest UV index in Pahala. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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 temperature in September in Pahala?

In September, in Pahala, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 69.8°F (21°C).

What is the most humid month in Pahala?

The months with the highest humidity in Pahala are June through September, with an average relative humidity of 81%.

What is the average humidity in September in Pahala?

The average relative humidity in September in Pahala is 81%.

What is the wettest month in Pahala?

The month with the most rainfall in Pahala is September, when the rain falls for 21.5 days and typically aggregates up to 1.81" (46mm) of precipitation.

How many days does it rain in September in Pahala?

In Pahala, Hawaii, during September, the rain falls for 21.5 days and regularly aggregates up to 1.81" (46mm) of precipitation.

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

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

When are sunrise and sunset in September in Pahala?

On the first day of September in Pahala, sunrise is at 6:06 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 6:11 pm HST.

How long on average sun shines in September in Pahala?

In Pahala, the average sunshine duration in September is 8.7h.

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

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

What is the UV index reading in September in Pahala?

In September, the average daily maximum UV index in Pahala is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Pahala, HI

Average temperature in September - Pahala, HI
  • Average high temperature in September: 73°F

The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).

  • Average low temperature in September: 69.8°F

The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).

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Average pressure in September
Pahala, HI

Average pressure in September - Pahala, 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).

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Average wind speed in September
Pahala, HI

Average wind speed in September - Pahala, HI
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

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Average humidity in September
Pahala, HI

Average humidity in September - Pahala, HI
  • Average humidity in September: 81%

The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).

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Average rainfall in September
Pahala, HI

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

The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in September
Pahala, HI

Average rainfall days in September - Pahala, HI
  • Average rainfall days in September: 21.5 days

The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).

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

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

The month with the longest days is June (Average daylight: 13h and 16min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).

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Average sunshine days in September
Pahala, HI

Average sunshine days in September - Pahala, HI
  • Average sunshine days in September: 3.5 days

The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).

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Average UV index in September
Pahala, HI

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

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

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Average cloud cover in September
Pahala, HI

Average cloud cover in September - Pahala, HI
  • Average cloud cover in September: 28

The month with the most cloud cover is June (Cloud cover 31).
The month with the least cloud cover is January (Cloud cover 15).

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Average visibility in September
Pahala, HI

Average visibility in September - Pahala, 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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