September weather forecast
Kaktovik, AK

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Weather in September

September introduces the Fall season to Kaktovik, overlapping with Arctic summer. A noticeable decline in daylight hours to 13.3 and rapid reduction in average temperature signals the impending arrival of winter. A remarkable increase in snowfall to 1.73in is seen as the frost slowly begins to take command. September is a transitional period with a mixed bag of weather patterns. The month offers an eclectic mix of sun, rain, and snow, painting a stunning picture of Kaktovik.

Temperature

The advent of September in Kaktovik brings a subtle shift in temperature, with the average high moving from a frosty 46.2°F (7.9°C) in August to an icy 39°F (3.9°C). Kaktovik documents a consistent average low-temperature of 34.2°F (1.2°C) at night during September.

Humidity

In Kaktovik, the average relative humidity in September is 83%.

Rainfall

In Kaktovik, during September, the rain falls for 9.1 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 60.7 rainfall days, and 6.54" (166mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, August through December. In Kaktovik, in September, snow falls for 8 days, with typically accumulated 1.73" (44mm) of snow. In Kaktovik, during the entire year, snow falls for 108.6 days and aggregates up to 17.83" (453mm) of snow.

Daylight

In September, the average length of the day in Kaktovik is 13h and 18min.
On the first day of September in Kaktovik, sunrise is at 5:53 am and sunset at 9:14 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 6:58 pm AKDT.

Sunshine

In Kaktovik, the average sunshine in September is 4.6h.

UV index

January through May, August through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 1 during September, leads to the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

How cold is it in Kaktovik in September?

The high-temperature, in September, in Kaktovik, is 39°F (3.9°C), while the low-temperature averages to 34.2°F (1.2°C).

What is the average humidity in September in Kaktovik?

In September, the average relative humidity is 83%.

How many days does it rain in September in Kaktovik?

In September, in Kaktovik, Alaska, the rain falls for 9.1 days. Throughout September, 0.79" (20mm) of precipitation is accumulated.

How many days does it snow in September in Kaktovik?

In September, in Kaktovik, it is snowing for 8 days. Throughout September, 1.73" (44mm) of snow is accumulated.

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

In Kaktovik, Alaska, the average day length in September is 13h and 18min.

When are sunrise and sunset in September in Kaktovik?

In September, on the first day of the month, sunrise is at 5:53 am and sunset at 9:14 pm. On the last day of the month, in Kaktovik, sunrise is at 7:50 am and sunset at 6:58 pm AKDT.

How many hours of sunshine does Kaktovik have in September?

In Kaktovik, the average sunshine duration in September is 4.6h.

What are the months with the lowest UV index in Kaktovik?

January through May, August through December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in September in Kaktovik?

The average daily maximum UV index in September in Kaktovik is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Kaktovik, AK

Average temperature in September - Kaktovik, AK
  • Average high temperature in September: 39°F

The warmest month (with the highest average high temperature) is July (48.6°F).
The month with the lowest average high temperature is January (-5.1°F).

  • Average low temperature in September: 34.2°F

The month with the highest average low temperature is July (39.4°F).
The coldest month (with the lowest average low temperature) is January (-13.7°F).

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Average pressure in September
Kaktovik, AK

Average pressure in September - Kaktovik, AK
  • Average pressure in September: 29.84"Hg

The month with the highest atmospheric pressure is March (30.07"Hg).
The month with the lowest atmospheric pressure is September (29.84"Hg).

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Average wind speed in September
Kaktovik, AK

Average wind speed in September - Kaktovik, AK
  • Average wind speed in September: 11.9mph

The windiest month (with the highest average wind speed) is October (13.1mph).
The calmest month (with the lowest average wind speed) is July (10.8mph).

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Average humidity in September
Kaktovik, AK

Average humidity in September - Kaktovik, AK
  • Average humidity in September: 83%

The months with the highest relative humidity are January, March and December (93%).
The month with the lowest relative humidity is June (79%).

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Average rainfall in September
Kaktovik, AK

Average rainfall in September - Kaktovik, AK
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is February (0.24").

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Average rainfall days in September
Kaktovik, AK

Average rainfall days in September - Kaktovik, AK
  • Average rainfall days in September: 9.1 days

The month with the highest number of rainy days is August (13.4 days).
The month with the least rainy days is December (0.9 days).

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Average snowfall in September
Kaktovik, AK

Average snowfall in September - Kaktovik, AK
  • Average snowfall in September: 1.73"

The month with the highest snowfall is October (3.07").
The month with the least snowfall is July (0").

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Average snowfall days in September
Kaktovik, AK

Average snowfall days in September - Kaktovik, AK
  • Average snowfall days in September: 8 days

The month with the highest number of snowfall days is November (16.1 days).
The month with the least snowfall days is July (0.1 days).

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

Average daylight in September / Average sunshine in September - Kaktovik, AK
  • Average daylight in September: 13h and 2min

The month with the longest days is August (Average daylight: 18h and 12min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).

  • Average sunshine in September: 4h and 4min

The month with the most sunshine is August (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).

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Average sunshine days in September
Kaktovik, AK

Average sunshine days in September - Kaktovik, AK
  • Average sunshine days in September: 12.4 days

The month with the most sunshine days is June (21.8 days).
The month with the least sunshine days is September (12.4 days).

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Average UV index in September
Kaktovik, AK

Average UV index in September - Kaktovik, AK
  • Average UV index in September: 1

The month with the highest UV index is July (UV index 3).
The months with the lowest UV index are January, February, March, April, May, August, September, October, November and December (UV index 1).

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Average cloud cover in September
Kaktovik, AK

Average cloud cover in September - Kaktovik, AK
  • Average cloud cover in September: 68

The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 40).

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Average visibility in September
Kaktovik, AK

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

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

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Kaktovik, Alaska, USA

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