September weather forecast
Kamalō, HI

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Weather in September

September, the first month of the autumn in Kamalō, is also a moderately hot month, with an average temperature varying between 80.2°F (26.8°C) and 77.2°F (25.1°C).

Temperature

August and September, when the average high-temperature reaches 80.2°F (26.8°C), are the warmest months.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Kamalō, in September, during 10.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, in Kamalō, there are 126.4 rainfall days, and 9.84" (250mm) of precipitation is accumulated.

Daylight

In September, the average length of the day in Kamalō, Hawaii, is 12h and 15min.
On the first day of the month, sunrise is at 6:11 am and sunset at 6:43 pm. On the last day of September, sunrise is at 6:18 am and sunset at 6:15 pm HST.

Sunshine

In Kamalō, the average sunshine in September is 9.5h.

UV index

The months with the highest UV index are June through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In September, a daily UV index of 7 turns into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the hottest time of year in Kamalō?

In Kamalō, Hawaii, the months of August and September are known for the peak temperatures, reaching an average high of 80.2°F (26.8°C).

What are September temperatures in Kamalō?

During September, Kamalō experiences an average high-temperature of 80.2°F (26.8°C) and a low-temperature of 77.2°F (25.1°C).

What is the average humidity in September in Kamalō?

In Kamalō, Hawaii, the average relative humidity in September is 75%.

How much does it rain in Kamalō in September?

In Kamalō, Hawaii, during September, the rain falls for 10.1 days and regularly aggregates up to 0.75" (19mm) of precipitation.

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

The average day length in September in Kamalō, Hawaii, is 12h and 15min.

What time are sunrise and sunset in September in Kamalō?

On the first day of September in Kamalō, Hawaii, sunrise is at 6:11 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 6:15 pm HST.

How many hours of sunshine does Kamalō have in September?

The average sunshine duration in September in Kamalō is 9.5h.

When is the highest UV index in Kamalō?

June through October, with an average maximum UV index of 7, are months with the highest UV index in Kamalō.

What is the UV index intensity in September in Kamalō?

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

Average temperature in September
Kamalō, HI

Average temperature in September - Kamalō, HI
  • Average high temperature in September: 80.2°F

The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).

  • Average low temperature in September: 77.2°F

The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).

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Average pressure in September
Kamalō, HI

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

The months with the highest atmospheric pressure are March and 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
Kamalō, HI

Average wind speed in September - Kamalō, HI
  • Average wind speed in September: 11.8mph

The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).

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Average humidity in September
Kamalō, HI

Average humidity in September - Kamalō, HI
  • Average humidity in September: 75%

The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall in September
Kamalō, HI

Average rainfall in September - Kamalō, HI
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in September
Kamalō, HI

Average rainfall days in September - Kamalō, HI
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).

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

Average daylight in September / Average sunshine in September - Kamalō, HI
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 24min).
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 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in September
Kamalō, HI

Average sunshine days in September - Kamalō, HI
  • Average sunshine days in September: 12.7 days

The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).

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Average UV index in September
Kamalō, HI

Average UV index in September - Kamalō, HI
  • Average UV index in September: 7

The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).

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Average cloud cover in September
Kamalō, HI

Average cloud cover in September - Kamalō, HI
  • Average cloud cover in September: 23

The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).

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Average visibility in September
Kamalō, HI

Average visibility in September - Kamalō, 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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Kamalō, Hawaii, USA

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