September weather forecast
Gulkana, AK

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Weather in September

September, the first month of the autumn in Gulkana, is also a fresh month, with an average temperature varying between 51.6°F (10.9°C) and 36.5°F (2.5°C).

Temperature

A moderate decline in the average high-temperature is seen during September, decreasing from an enjoyable 61.9°F (16.6°C) in August to a fresh 51.6°F (10.9°C). In the month of September, Gulkana's average low-temperature falls to a cold 36.5°F (2.5°C).

Humidity

The average relative humidity in September is 72%.

Rainfall

In Gulkana, in September, it is raining for 10.1 days, with typically 0.79" (20mm) of accumulated precipitation. In Gulkana, during the entire year, the rain falls for 81.1 days and collects up to 5.71" (145mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Gulkana. September is the first month it typically snows in Gulkana. Throughout September, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, in Gulkana, there are 54.8 snowfall days, and 17.13" (435mm) of snow is accumulated.

Daylight

In September, the average length of the day is 12h and 54min.
On the first day of the month, sunrise is at 6:33 am and sunset at 8:49 pm. On the last day of September, in Gulkana, sunrise is at 7:48 am and sunset at 7:14 pm AKDT.

Sunshine

In Gulkana, the average sunshine in September is 9h.

UV index

January through April, September through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 2 transforms into these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What is the temperature in September in Gulkana?

The high-temperature, in September, in Gulkana, is 51.6°F (10.9°C), while the low-temperature averages to 36.5°F (2.5°C).

What is the average humidity in September in Gulkana?

The average relative humidity in September in Gulkana, Alaska, is 72%.

How many days does it rain in September in Gulkana?

In Gulkana, Alaska, in September, it is raining for 10.1 days, with typically 0.79" (20mm) of accumulated precipitation.

When does it start snowing in Gulkana?

September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow.

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

In September, the average day length in Gulkana is 12h and 54min.

What time are sunrise and sunset in September in Gulkana?

On the first day of September in Gulkana, Alaska, sunrise is at 6:33 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 7:14 pm AKDT.

How long on average sun shines in September in Gulkana?

In Gulkana, Alaska, the average sunshine duration in September is 9h.

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

The months with the lowest UV index are January through April, September through December, with an average maximum UV index of 2.

What is the UV index reading in September in Gulkana?

The average daily maximum UV index in September in Gulkana is 2. 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Gulkana, AK

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

The warmest month (with the highest average high temperature) is July (67.5°F).
The month with the lowest average high temperature is January (9.1°F).

  • Average low temperature in September: 36.5°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (-1.8°F).

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Average pressure in September
Gulkana, AK

Average pressure in September - Gulkana, AK
  • Average pressure in September: 29.78"Hg

The month with the highest atmospheric pressure is July (29.95"Hg).
The months with the lowest atmospheric pressure are September, October, November and December (29.78"Hg).

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Average wind speed in September
Gulkana, AK

Average wind speed in September - Gulkana, AK
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).

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Average humidity in September
Gulkana, AK

Average humidity in September - Gulkana, AK
  • Average humidity in September: 72%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is June (57%).

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Average rainfall in September
Gulkana, AK

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

The wettest month (with the highest rainfall) is August (0.91").
The driest month (with the least rainfall) is April (0.2").

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Average rainfall days in September
Gulkana, AK

Average rainfall days in September - Gulkana, AK
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is August (11.3 days).
The months with the least rainy days are February and November (3.7 days).

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Average snowfall in September
Gulkana, AK

Average snowfall in September - Gulkana, AK
  • Average snowfall in September: 0.2"

The month with the highest snowfall is December (4.57").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Gulkana, AK

Average snowfall days in September - Gulkana, AK
  • Average snowfall days in September: 0.5 days

The month with the highest number of snowfall days is December (11.2 days).
The months with the least snowfall days are June and July (0 days).

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

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

The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 18min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is June (Average sunshine: 14h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).

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Average sunshine days in September
Gulkana, AK

Average sunshine days in September - Gulkana, AK
  • Average sunshine days in September: 17.6 days

The month with the most sunshine days is March (24.2 days).
The month with the least sunshine days is August (17.3 days).

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Average UV index in September
Gulkana, AK

Average UV index in September - Gulkana, AK
  • Average UV index in September: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 2).

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Average cloud cover in September
Gulkana, AK

Average cloud cover in September - Gulkana, AK
  • Average cloud cover in September: 39

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in September
Gulkana, AK

Average visibility in September - Gulkana, 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 and March (4mi).

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Gulkana, Alaska, USA

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