September weather forecast and climate
Scammon Bay, AK

Weather in September

The first month of the autumn, September, is also a frosty month in Scammon Bay, Alaska, with average temperature ranging between min 44.8°F (7.1°C) and max 49.3°F (9.6°C).

Temperature

In Scammon Bay, the average high-temperature is almost the same as in August - a frosty 49.3°F (9.6°C). The average low-temperature, in September, is 44.8°F (7.1°C).

Humidity

The average relative humidity in Scammon Bay is 81%.

Rainfall

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

Snowfall

January through June, September through December are months with snowfall in Scammon Bay. 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. Throughout the year, there are 92.1 snowfall days, and 25.24" (641mm) of snow is accumulated.

Daylight

In September, the average length of the day in Scammon Bay is 12.9h.

Sunshine

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

UV index

In Scammon Bay, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in September in Scammon Bay?

The average high-temperature, in September, is 49.3°F (9.6°C), while the average low-temperature is 44.8°F (7.1°C).

What is the average humidity in September in Scammon Bay?

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

How much does it rain in Scammon Bay in September?

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 to snow 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 September, the average length of the day in Scammon Bay is 12.9h.

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

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

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

In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat from the exposure to the Sun's UV rays.

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"

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

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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").
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).
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: 12.9h

The month with the longest days is June (Average daylight: 19.5h).
The month with the shortest days is December (Average daylight: 5.4h).

  • Average sunshine in September: 3.9h

The month with the most sunshine is May (Average sunshine: 7.5h).
The month with the least sunshine is December (Average sunshine: 2.1h).

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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

Months with the highest UV index are June, July and August (UV index 3).
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

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

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

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