September weather forecast
Karluk, AK

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Weather in September

September, the first month of the autumn in Karluk, is still a cool month, with an average temperature ranging between max 51.6°F (10.9°C) and min 45.9°F (7.7°C).

Temperature

An average high-temperature of a fresh 51.6°F (10.9°C) marks September, exhibiting a close resemblance to the conditions in August. A consistent average low-temperature of 45.9°F (7.7°C), with a minor variance from the daytime highs, is noted in Karluk, Alaska, during the nights of September.

Humidity

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

Rainfall

In Karluk, in September, during 18.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, there are 201 rainfall days, and 34.33" (872mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Karluk are January through May, September through December. September is the first month it typically snows in Karluk. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Karluk, there are 59 snowfall days, and 25.04" (636mm) of snow is accumulated.

Daylight

The average length of the day in September is 12h and 45min.
On the first day of the month, sunrise is at 7:20 am and sunset at 9:14 pm. On the last day of September, sunrise is at 8:21 am and sunset at 7:53 pm AKDT.

Sunshine

In Karluk, the average sunshine in September is 5.9h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 during September translates into the following directions:
Adopt protective measures - It is advised to guard against sun damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What is the usual temperature for Karluk in September?

September temperatures in Karluk vary between a high-temperature of 51.6°F (10.9°C) and a low-temperature of 45.9°F (7.7°C).

What is the average humidity in September in Karluk?

The average relative humidity in September is 83%.

How many days does it rain in September in Karluk?

In Karluk, Alaska, in September, it is raining for 18.8 days, with typically 3.43" (87mm) of accumulated precipitation.

When does it start snowing in Karluk?

September is the first month it typically snows in Karluk. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

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

In Karluk, the average day length in September is 12h and 45min.

When are sunrise and sunset in September in Karluk?

In September, on the first day of the month, sunrise is at 7:20 am and sunset at 9:14 pm. On the last day of the month, in Karluk, sunrise is at 8:21 am and sunset at 7:53 pm AKDT.

How long on average sun shines in September in Karluk?

In Karluk, Alaska, the average sunshine duration in September is 5.9h.

What is the UV index reading in September in Karluk?

The average daily maximum UV index in September in Karluk is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Karluk, AK

Average temperature in September - Karluk, AK
  • Average high temperature in September: 51.6°F

The warmest month (with the highest average high temperature) is August (56.3°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in September: 45.9°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is March (26.6°F).

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Average pressure in September
Karluk, AK

Average pressure in September - Karluk, AK
  • Average pressure in September: 29.71"Hg

The month with the highest atmospheric pressure is July (29.97"Hg).
The month with the lowest atmospheric pressure is December (29.56"Hg).

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Average wind speed in September
Karluk, AK

Average wind speed in September - Karluk, AK
  • Average wind speed in September: 10.6mph

The windiest month (with the highest average wind speed) is December (14mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity in September
Karluk, AK

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

The months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is May (80%).

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Average rainfall in September
Karluk, AK

Average rainfall in September - Karluk, AK
  • Average rainfall in September: 3.43"

The wettest month (with the highest rainfall) is October (4.06").
The driest month (with the least rainfall) is June (1.89").

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Average rainfall days in September
Karluk, AK

Average rainfall days in September - Karluk, AK
  • Average rainfall days in September: 18.8 days

The months with the highest number of rainy days are May, September and October (18.8 days).
The month with the least rainy days is March (12.7 days).

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Average snowfall in September
Karluk, AK

Average snowfall in September - Karluk, AK
  • Average snowfall in September: 0.04"

The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Karluk, AK

Average snowfall days in September - Karluk, AK
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is March (11.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Karluk, AK
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).

  • Average sunshine in September: 5h and 5min

The month with the most sunshine is June (Average sunshine: 8h and 6min).
The months with the least sunshine are January and December (Average sunshine: 2h and 42min).

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Average sunshine days in September
Karluk, AK

Average sunshine days in September - Karluk, AK
  • Average sunshine days in September: 8.9 days

The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is February (7 days).

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Average UV index in September
Karluk, AK

Average UV index in September - Karluk, AK
  • Average UV index in September: 3

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

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Average cloud cover in September
Karluk, AK

Average cloud cover in September - Karluk, AK
  • Average cloud cover in September: 55

The months with the most cloud cover are February and December (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 55).

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Average visibility in September
Karluk, AK

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

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

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Karluk, Alaska, USA

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