September weather forecast
Scammon Bay, AK

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Weather in September

September, the first month of the autumn in Scammon Bay, is still a chilly month, with temperature in the range of an average high of 49.3°F (9.6°C) and an average low of 44.8°F (7.1°C).

Temperature

September reports an average high-temperature of a frosty 49.3°F (9.6°C), slightly varied from August's 53.2°F (11.8°C). The nights of September in Scammon Bay, Alaska, anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 44.8°F (7.1°C).

Humidity

In Scammon Bay, the average relative humidity in September is 81%.

Rainfall

In September, in Scammon Bay, the rain falls for 18.3 days. Throughout September, 2.32" (59mm) of precipitation is accumulated. In Scammon Bay, during the entire year, the rain falls for 119.2 days and collects up to 18.78" (477mm) of precipitation.

Snowfall

Months with snowfall in Scammon Bay are January through June, September through December. September is the first month it typically snows in Scammon Bay. Throughout September, in the average 0.7 snowfall days, it receives 0.24" (6mm) of snow. In Scammon Bay, during the entire year, snow falls for 92.1 days and aggregates up to 25.24" (641mm) of snow.

Daylight

In Scammon Bay, the average length of the day in September is 12h and 53min.
On the first day of September in Scammon Bay, sunrise is at 7:55 am and sunset at 10:09 pm. On the last day of the month, sunrise is at 9:09 am and sunset at 8:34 pm AKDT.

Sunshine

In Scammon Bay, the average sunshine in September is 3.9h.

UV index

The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 2 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the average September temperature in Scammon Bay?

Scammon Bay in September has an average high-temperature of 49.3°F (9.6°C) and an average low-temperature of 44.8°F (7.1°C).

What is the average humidity in September in Scammon Bay?

In Scammon Bay, Alaska, the average relative humidity in September is 81%.

How many days does it rain in September in Scammon Bay?

In Scammon Bay, during September, the rain falls for 18.3 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When does it start snowing in Scammon Bay?

September is the first month it typically snows. Throughout September, in the average 0.7 snowfall days, it receives 0.24" (6mm) of snow.

What is the average length of the day in September in Scammon Bay?

In Scammon Bay, the average day length in September is 12h and 53min.

When is the sunrise / sunset in September in Scammon Bay?

In September, on the first day of the month, sunrise is at 7:55 am and sunset at 10:09 pm. On the last day of the month, sunrise is at 9:09 am and sunset at 8:34 pm AKDT.

How many hours of sunshine does Scammon Bay have in September?

In Scammon Bay, the average sunshine duration in September is 3.9h.

What is the UV index reading in September in Scammon Bay?

The average daily maximum UV index in September in Scammon Bay, Alaska, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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
Scammon Bay, AK

Average temperature in September - Scammon Bay, AK
  • Average high temperature in September: 49.3°F

The warmest month (with the highest average high temperature) is August (53.2°F).
The month with the lowest average high temperature is January (16.2°F).

  • Average low temperature in September: 44.8°F

The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

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Average pressure in September
Scammon Bay, AK

Average pressure in September - Scammon Bay, AK
  • Average pressure in September: 29.73"Hg

The months with the highest atmospheric pressure are May and July (29.91"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).

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Average wind speed in September
Scammon Bay, AK

Average wind speed in September - Scammon Bay, AK
  • Average wind speed in September: 15.2mph

The windiest month (with the highest average wind speed) is October (17.1mph).
The calmest month (with the lowest average wind speed) is May (11.1mph).

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Average humidity in September
Scammon Bay, AK

Average humidity in September - Scammon Bay, AK
  • Average humidity in September: 81%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (79%).

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Average rainfall in September
Scammon Bay, AK

Average rainfall in September - Scammon Bay, AK
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is October (2.72").
The driest month (with the least rainfall) is June (0.87").

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Average rainfall days in September
Scammon Bay, AK

Average rainfall days in September - Scammon Bay, AK
  • Average rainfall days in September: 18.3 days

The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is February (2.9 days).

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Average snowfall in September
Scammon Bay, AK

Average snowfall in September - Scammon Bay, AK
  • Average snowfall in September: 0.24"

The month with the highest snowfall is February (4.33").
The months with the least snowfall are July and August (0").

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Average snowfall days in September
Scammon Bay, AK

Average snowfall days in September - Scammon Bay, AK
  • Average snowfall days in September: 0.7 days

The month with the highest number of snowfall days is December (14.1 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
Scammon Bay, AK

Average daylight in September / Average sunshine in September - Scammon Bay, AK
  • Average daylight in September: 12h and 5min

The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).

  • Average sunshine in September: 3h and 5min

The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).

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Average sunshine days in September
Scammon Bay, AK

Average sunshine days in September - Scammon Bay, AK
  • Average sunshine days in September: 7.6 days

The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is October (6.8 days).

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Average UV index in September
Scammon Bay, AK

Average UV index in September - Scammon Bay, 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 January, March, November and December (UV index 1).

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Average cloud cover in September
Scammon Bay, AK

Average cloud cover in September - Scammon Bay, AK
  • Average cloud cover in September: 71

The months with the most cloud cover are September and December (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 57).

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Average visibility in September
Scammon Bay, AK

Average visibility in September - Scammon Bay, 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, April, November and December (5mi).

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Scammon Bay, Alaska, USA

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