September weather forecast and climate
Deering, AK

Weather in September

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

Temperature

In September, the average high-temperature decreases, from a mild 56.1°F (13.4°C) in August, to a chilly 46.9°F (8.3°C). In September, in Deering, the average low-temperature is 39.4°F (4.1°C).

Humidity

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

Rainfall

In Deering, it is raining for 10 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, in Deering, there are 74.6 rainfall days, and 6.69" (170mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows in Deering, Alaska. 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 is 13h.

Sunshine

The average sunshine in Deering is 6.2h.

UV index

In Deering, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in September interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the temperature in September in Deering?

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 September, in Deering, Alaska, the rain falls for 10 days. Throughout September, 0.67" (17mm) of precipitation is accumulated.

When does it start snowing 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.

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

The average length of the day in September in Deering is 13h.

How long on average sun shines in September in Deering?

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

How high is the UV index in September in Deering?

The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to the UV radiation.

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).

[Resources]

Average pressure in September
Deering, AK

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

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

[Resources]

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).

[Resources]

Average humidity in September
Deering, AK

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

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

[Resources]

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").

[Resources]

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).

[Resources]

Average snowfall in September
Deering, AK

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

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

[Resources]

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).
Months with the least snowfall days are July and August (0 days).

[Resources]

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

The month with the longest days is June (Average daylight: 23.6h).
The month with the shortest days is December (Average daylight: 3.1h).

  • Average sunshine in September: 6.2h

The month with the most sunshine is August (Average sunshine: 7.6h).
The month with the least sunshine is June (Average sunshine: 0.6h).

[Resources]

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).

[Resources]

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).
Months with the lowest UV index are March, April, November and December (UV index 1).

[Resources]

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).

[Resources]

Average visibility in September
Deering, AK

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

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

[Resources]