September weather forecast
Deering, AK

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Weather in September

September, the first month of the autumn in Deering, is still a chilly month, with an average temperature fluctuating between 46.9°F (8.3°C) and 39.4°F (4.1°C).

Temperature

As September arrives, Deering's weather displays a decrease in high-temperatures, transitioning from August's mild 56.1°F (13.4°C) to a chilly 46.9°F (8.3°C). Nights in September showcase an average temperature of 39.4°F (4.1°C), slightly cooler than the daytime.

Humidity

The average relative humidity in September is 77%.

Rainfall

In September, the rain falls for 10 days. Throughout September, 0.67" (17mm) of precipitation is accumulated. Throughout the year, there are 74.6 rainfall days, and 6.69" (170mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Deering are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 2.7 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, there are 85.7 snowfall days, and 15.79" (401mm) of snow is accumulated.

Daylight

In September, the average length of the day in Deering is 13h and 3min.
On the first day of September in Deering, sunrise is at 7:29 am and sunset at 10:11 pm. On the last day of the month, sunrise is at 9:01 am and sunset at 8:19 pm AKDT.

Sunshine

In Deering, the average sunshine in September is 6.2h.

UV index

In September, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 2 during September morphs into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What is the usual temperature for Deering in September?

In September, in Deering, the average high-temperature is 46.9°F (8.3°C), and the average low-temperature is 39.4°F (4.1°C).

What is the average humidity in September in Deering?

In Deering, the average relative humidity in September is 77%.

How many days does it rain in September in Deering?

In Deering, Alaska, in September, during 10 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

When does it start to snow in Deering?

September is the first month it typically snows in Deering. Throughout September, in the average 2.7 snowfall days, it receives 0.51" (13mm) of snow.

How many hours of daylight does Deering have in September?

In Deering, the average day length in September is 13h and 3min.

When is the sunrise / sunset in September in Deering?

In September, on the first day of the month, sunrise is at 7:29 am and sunset at 10:11 pm. On the last day of the month, sunrise is at 9:01 am and sunset at 8:19 pm AKDT.

How many hours of sunshine does Deering have in September?

In September, the average sunshine duration in Deering is 6.2h.

What is the UV index reading in September in Deering?

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

Average temperature in September
Deering, AK

Average temperature in September - Deering, AK
  • Average high temperature in September: 46.9°F

The warmest month (with the highest average high temperature) is July (59.2°F).
The month with the lowest average high temperature is January (6.8°F).

  • Average low temperature in September: 39.4°F

The month with the highest average low temperature is July (47.7°F).
The coldest month (with the lowest average low temperature) is January (-1.7°F).

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Average pressure in September
Deering, AK

Average pressure in September - Deering, AK
  • Average pressure in September: 29.76"Hg

The month with the highest atmospheric pressure is May (29.95"Hg).
The month with the lowest atmospheric pressure is October (29.75"Hg).

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Average wind speed in September
Deering, AK

Average wind speed in September - Deering, AK
  • Average wind speed in September: 10.4mph

The windiest month (with the highest average wind speed) is October (11.1mph).
The calmest month (with the lowest average wind speed) is May (8.1mph).

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Average humidity in September
Deering, AK

Average humidity in September - Deering, AK
  • Average humidity in September: 77%

The months with the highest relative humidity are January and March (92%).
The month with the lowest relative humidity is June (69%).

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Average rainfall in September
Deering, AK

Average rainfall in September - Deering, AK
  • Average rainfall in September: 0.67"

The wettest month (with the highest rainfall) is July (1.1").
The driest months (with the least rainfall) are January, May and June (0.31").

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Average rainfall days in September
Deering, AK

Average rainfall days in September - Deering, AK
  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is August (13.8 days).
The month with the least rainy days is December (1.5 days).

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Average snowfall in September
Deering, AK

Average snowfall in September - Deering, AK
  • Average snowfall in September: 0.51"

The months with the highest snowfall are February and March (3.03").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Deering, AK

Average snowfall days in September - Deering, AK
  • Average snowfall days in September: 2.7 days

The month with the highest number of snowfall days is March (14.5 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in September / Average sunshine in September - Deering, AK
  • Average daylight in September: 13h and 1min

The month with the longest days is July (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 3h and 6min).

  • Average sunshine in September: 6h and 1min

The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).

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Average sunshine days in September
Deering, AK

Average sunshine days in September - Deering, AK
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is February (12.9 days).

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Average UV index in September
Deering, AK

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

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are March, April, November and December (UV index 1).

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Average cloud cover in September
Deering, AK

Average cloud cover in September - Deering, AK
  • Average cloud cover in September: 53

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 42).

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Average visibility in September
Deering, AK

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

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

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Deering, Alaska, USA

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