September weather forecast
Maalaea, HI

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Maalaea, Hawaii, with an average temperature fluctuating between 76.1°F (24.5°C) and 79.9°F (26.6°C).

Temperature

September, noted for its average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 76.1°F (24.5°C), is considered the warmest month.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Maalaea, in September, during 8.1 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Maalaea, during the entire year, the rain falls for 103.4 days and collects up to 6.57" (167mm) of precipitation.

Daylight

The average length of the day in September in Maalaea is 12h and 15min.
On the first day of the month, sunrise is at 6:10 am and sunset at 6:41 pm. On the last day of September, sunrise is at 6:17 am and sunset at 6:14 pm HST.

Sunshine

In Maalaea, the average sunshine in September is 9.6h.

UV index

The months with the highest UV index are July through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, an average UV index of 7 transforms into the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What is the hottest time of year in Maalaea?

Maalaea records the warmest temperatures in September, averaging a high of 79.9°F (26.6°C) and a low of 76.1°F (24.5°C).

What are September temperatures in Maalaea?

The high-temperature in Maalaea during September is 79.9°F (26.6°C) and the low-temperature is 76.1°F (24.5°C).

What is the average humidity in September in Maalaea?

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

How much does it rain in Maalaea in September?

In September, in Maalaea, the rain falls for 8.1 days. Throughout September, 0.39" (10mm) of precipitation is accumulated.

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

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

When is the sunrise / sunset in September in Maalaea?

On the first day of September, sunrise is at 6:10 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 6:14 pm HST.

How long on average sun shines in September in Maalaea?

The average sunshine duration in September in Maalaea is 9.6h.

When is the highest UV index in Maalaea?

The months with the highest UV index are July through October, with an average maximum UV index of 7.

What is the UV index intensity in September in Maalaea?

In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

Average temperature in September
Maalaea, HI

Average temperature in September - Maalaea, HI
  • Average high temperature in September: 79.9°F

The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in September: 76.1°F

The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).

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Average pressure in September
Maalaea, HI

Average pressure in September - Maalaea, 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
Maalaea, HI

Average wind speed in September - Maalaea, HI
  • Average wind speed in September: 11.9mph

The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).

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Average humidity in September
Maalaea, HI

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

The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).

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Average rainfall in September
Maalaea, HI

Average rainfall in September - Maalaea, HI
  • Average rainfall in September: 0.39"

The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days in September
Maalaea, HI

Average rainfall days in September - Maalaea, HI
  • Average rainfall days in September: 8.1 days

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).

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

Average daylight in September / Average sunshine in September - Maalaea, 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 4min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in September
Maalaea, HI

Average sunshine days in September - Maalaea, HI
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).

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Average UV index in September
Maalaea, HI

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

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

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Average cloud cover in September
Maalaea, HI

Average cloud cover in September - Maalaea, HI
  • Average cloud cover in September: 21

The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).

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Average visibility in September
Maalaea, HI

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

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