September weather forecast
Soldotna, AK

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A beautiful panorama of the river and road network in Soldotna, Alaska
A beautiful panorama of the river and road network in Soldotna, Alaska

Weather in September

September in Soldotna marks the arrival of autumn, bringing with it a noticeable drop in temperatures. One key feature this month is the first sign of snowfall after the summer months with an approximately 0.24" (6mm) on record. While the change in weather precedes the return of the Alaskan winter, the cityscape is transformed into a burst of fall colors. The blend of the falling leaves, crisp air, and shorter days makes this period a favorite for scenic walks and drives around the city.

Temperature

September marks a gentle change in average high-temperature in Soldotna, declining from August's comfortable 63°F (17.2°C) to a cool 54.5°F (12.5°C). In September, Soldotna's temperature tends to fall to an average low of 43.2°F (6.2°C) during the night.

Humidity

In September, the average relative humidity in Soldotna is 80%.

Rainfall

The month with the most rainfall in Soldotna is September, when the rain falls for 19.2 days and typically aggregates up to 3.19" (81mm) of precipitation.

Snowfall

Months with snowfall in Soldotna are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 0.24" (6mm) of snow. In Soldotna, during the entire year, snow falls for 74.6 days and aggregates up to 37.32" (948mm) of snow.

Daylight

The average length of the day in September in Soldotna is 12h and 50min.
On the first day of September in Soldotna, Alaska, sunrise is at 7:00 am and sunset at 9:07 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 7:37 pm AKDT.

Sunshine

In September, the average sunshine is 6.1h.

UV index

The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 2 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What is the usual temperature for Soldotna in September?

During September, Soldotna experiences an average high-temperature of 54.5°F (12.5°C) and a low-temperature of 43.2°F (6.2°C).

What is the average humidity in September in Soldotna?

In Soldotna, the average relative humidity in September is 80%.

What is the rainiest month in Soldotna?

The month with the most rainfall in Soldotna is September, when the rain falls for 19.2 days and typically aggregates up to 3.19" (81mm) of precipitation.

How many days does it rain in September in Soldotna?

In Soldotna, in September, during 19.2 rainfall days, 3.19" (81mm) of precipitation is typically accumulated.

When does it start to snow in Soldotna?

September is the first month it typically snows in Soldotna, Alaska. Throughout September, in the average 0.4 snowfall days, it receives 0.24" (6mm) of snow.

How many hours of daylight does Soldotna have in September?

In Soldotna, Alaska, the average day length in September is 12h and 50min.

What time are sunrise and sunset in September in Soldotna?

On the first day of September, sunrise is at 7:00 am and sunset at 9:07 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 7:37 pm AKDT.

How many hours of sunshine does Soldotna have in September?

In September, the average sunshine duration in Soldotna, Alaska, is 6.1h.

How high is the UV index in September in Soldotna?

In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
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
Soldotna, AK

Average temperature in September - Soldotna, AK
  • Average high temperature in September: 54.5°F

The warmest month (with the highest average high temperature) is July (65.1°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in September: 43.2°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in September
Soldotna, AK

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

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.64"Hg).

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Average wind speed in September
Soldotna, AK

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

The windiest months (with the highest average wind speed) are November and December (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in September
Soldotna, AK

Average humidity in September - Soldotna, AK
  • Average humidity in September: 80%

The months with the highest relative humidity are January, February and March (90%).
The month with the lowest relative humidity is May (65%).

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Average rainfall in September
Soldotna, AK

Average rainfall in September - Soldotna, AK
  • Average rainfall in September: 3.19"

The wettest month (with the highest rainfall) is September (3.19").
The driest month (with the least rainfall) is March (1.1").

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Average rainfall days in September
Soldotna, AK

Average rainfall days in September - Soldotna, AK
  • Average rainfall days in September: 19.2 days

The month with the highest number of rainy days is September (19.2 days).
The month with the least rainy days is February (7.4 days).

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Average snowfall in September
Soldotna, AK

Average snowfall in September - Soldotna, AK
  • Average snowfall in September: 0.24"

The month with the highest snowfall is December (9.45").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Soldotna, AK

Average snowfall days in September - Soldotna, AK
  • Average snowfall days in September: 0.4 days

The month with the highest number of snowfall days is December (15.3 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
Soldotna, AK

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

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

  • Average sunshine in September: 6h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

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Average sunshine days in September
Soldotna, AK

Average sunshine days in September - Soldotna, AK
  • Average sunshine days in September: 9.2 days

The month with the most sunshine days is July (13.9 days).
The month with the least sunshine days is September (9.2 days).

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Average UV index in September
Soldotna, AK

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

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February, March and December (UV index 1).

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Average cloud cover in September
Soldotna, AK

Average cloud cover in September - Soldotna, AK
  • Average cloud cover in September: 53

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 47).

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Average visibility in September
Soldotna, AK

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

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are February and March (4mi).

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Soldotna, Alaska, USA

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