September weather forecast
Unga, AK

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Weather in September

September, the first month of the autumn in Unga, is still a cool month, with an average temperature varying between 48.2°F (9°C) and 51.6°F (10.9°C).

Temperature

Unga, Alaska, transitions into September recording an average high-temperature of a still cool 51.6°F (10.9°C), closely aligning with the preceding month's temperature. Unga experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 48.2°F (9°C) throughout September.

Humidity

In Unga, Alaska, the average relative humidity in September is 84%.

Rainfall

In Unga, during September, the rain falls for 14.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Unga, Alaska, during the entire year, the rain falls for 172 days and collects up to 32.6" (828mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Unga is 12h and 41min.
On the first day of September, sunrise is at 7:49 am and sunset at 9:33 pm. On the last day of the month, sunrise is at 8:44 am and sunset at 8:18 pm AKDT.

Sunshine

In September, the average sunshine in Unga is 5.3h.

UV index

The average daily maximum UV index in September in Unga is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a daily maximum UV index of 2 leads to the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What are September temperatures in Unga?

In September, in Unga, the average high-temperature is 51.6°F (10.9°C), and the average low-temperature is 48.2°F (9°C).

What is the average humidity in September in Unga?

The average relative humidity in September is 84%.

How many days does it rain in September in Unga?

In Unga, during September, the rain falls for 14.8 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow in Unga?

June through September are months without snowfall in Unga, Alaska.

Does it snow in Unga in September?

In Unga, in September, it doesn't snow. In October, it regularly snows.

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

In Unga, the average day length in September is 12h and 41min.

When is the sunrise / sunset in September in Unga?

On the first day of September in Unga, sunrise is at 7:49 am and sunset at 9:33 pm. On the last day of the month, sunrise is at 8:44 am and sunset at 8:18 pm AKDT.

How many hours of sunshine does Unga have in September?

The average sunshine duration in September in Unga is 5.3h.

How high is the UV index in September in Unga?

In Unga, Alaska, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Unga, AK

Average temperature in September - Unga, AK
  • Average high temperature in September: 51.6°F

The warmest month (with the highest average high temperature) is August (54.7°F).
The month with the lowest average high temperature is March (34°F).

  • Average low temperature in September: 48.2°F

The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is March (28.9°F).

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Average pressure in September
Unga, AK

Average pressure in September - Unga, AK
  • Average pressure in September: 29.75"Hg

The month with the highest atmospheric pressure is July (29.98"Hg).
The months with the lowest atmospheric pressure are January and December (29.52"Hg).

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Average wind speed in September
Unga, AK

Average wind speed in September - Unga, AK
  • Average wind speed in September: 13.7mph

The windiest month (with the highest average wind speed) is December (16.8mph).
The calmest month (with the lowest average wind speed) is July (9.2mph).

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Average humidity in September
Unga, AK

Average humidity in September - Unga, AK
  • Average humidity in September: 84%

The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is November (79%).

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Average rainfall in September
Unga, AK

Average rainfall in September - Unga, AK
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is July (1.26").

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Average rainfall days in September
Unga, AK

Average rainfall days in September - Unga, AK
  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is December (18.2 days).
The month with the least rainy days is June (10.3 days).

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Average snowfall in September
Unga, AK

Average snowfall in September - Unga, AK
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.45").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Unga, AK

Average snowfall days in September - Unga, AK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Unga, AK

Average daylight in September / Average sunshine in September - Unga, AK
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).

  • Average sunshine in September: 5h and 2min

The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).

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Average sunshine days in September
Unga, AK

Average sunshine days in September - Unga, AK
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is June (17.7 days).
The month with the least sunshine days is December (4.6 days).

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Average UV index in September
Unga, AK

Average UV index in September - Unga, AK
  • Average UV index in September: 2

The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are March and December (UV index 1).

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Average cloud cover in September
Unga, AK

Average cloud cover in September - Unga, AK
  • Average cloud cover in September: 60

The months with the most cloud cover are February and December (Cloud cover 68).
The months with the least cloud cover are March and September (Cloud cover 60).

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Average visibility in September
Unga, AK

Average visibility in September - Unga, AK
  • Average visibility in September: 6mi

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

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Unga, Alaska, USA

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