September weather forecast
Chugiak, AK

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Weather in September

September, the first month of the autumn in Chugiak, is also a fresh month, with an average temperature fluctuating between 40.5°F (4.7°C) and 52.5°F (11.4°C).

Temperature

The onset of September is marked by a minor decrease in temperature, transitioning from a moderate 60.3°F (15.7°C) in August to a cool 52.5°F (11.4°C). An average temperature of 40.5°F (4.7°C) is recorded during the nights in September.

Humidity

The average relative humidity in September is 77%.

Rainfall

The month with the most rainfall in Chugiak is September, when the rain falls for 15.9 days and typically aggregates up to 1.81" (46mm) of precipitation.

Snowfall

Months with snowfall in Chugiak are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. In Chugiak, during the entire year, snow falls for 57.9 days and aggregates up to 24.37" (619mm) of snow.

Daylight

In September, the average length of the day is 12h and 52min.
On the first day of the month, sunrise is at 6:51 am and sunset at 9:03 pm. On the last day of September, in Chugiak, sunrise is at 8:04 am and sunset at 7:30 pm AKDT.

Sunshine

In Chugiak, the average sunshine in September is 7.9h.

UV index

In Chugiak, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 2 during September translates into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What is the usual temperature for Chugiak in September?

In September, in Chugiak, the average high-temperature is 52.5°F (11.4°C), and the average low-temperature is 40.5°F (4.7°C).

What is the average humidity in September in Chugiak?

In Chugiak, Alaska, the average relative humidity in September is 77%.

What is the wettest month in Chugiak?

September is the month with the most rainfall in Chugiak, Alaska. Rain falls for 15.9 days and accumulates 1.81" (46mm) of precipitation.

How many days does it rain in September in Chugiak?

In September, in Chugiak, Alaska, the rain falls for 15.9 days. Throughout September, 1.81" (46mm) of precipitation is accumulated.

When does it start to snow in Chugiak?

September is the first month it typically snows in Chugiak. Throughout September, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Chugiak have in September?

The average day length in September in Chugiak is 12h and 52min.

When is the sunrise / sunset in September in Chugiak?

On the first day of September, sunrise is at 6:51 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 7:30 pm AKDT.

How long on average sun shines in September in Chugiak?

In Chugiak, Alaska, the average sunshine duration in September is 7.9h.

What is the UV index intensity in September in Chugiak?

The average daily maximum UV index in September in Chugiak is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Chugiak, AK

Average temperature in September - Chugiak, AK
  • Average high temperature in September: 52.5°F

The warmest month (with the highest average high temperature) is July (63.1°F).
The month with the lowest average high temperature is January (19°F).

  • Average low temperature in September: 40.5°F

The month with the highest average low temperature is July (48.4°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

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Average pressure in September
Chugiak, AK

Average pressure in September - Chugiak, AK
  • Average pressure in September: 29.75"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.69"Hg).

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Average wind speed in September
Chugiak, AK

Average wind speed in September - Chugiak, AK
  • Average wind speed in September: 4.3mph

The windiest months (with the highest average wind speed) are January and December (4.6mph).
The calmest month (with the lowest average wind speed) is July (4.1mph).

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Average humidity in September
Chugiak, AK

Average humidity in September - Chugiak, AK
  • Average humidity in September: 77%

The months with the highest relative humidity are February and March (87%).
The month with the lowest relative humidity is May (65%).

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Average rainfall in September
Chugiak, AK

Average rainfall in September - Chugiak, AK
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is May (0.63").

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Average rainfall days in September
Chugiak, AK

Average rainfall days in September - Chugiak, AK
  • Average rainfall days in September: 15.9 days

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in September
Chugiak, AK

Average snowfall in September - Chugiak, AK
  • Average snowfall in September: 0.08"

The month with the highest snowfall is December (5.98").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Chugiak, AK

Average snowfall days in September - Chugiak, AK
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is February (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
Chugiak, AK

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

The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is May (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).

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Average sunshine days in September
Chugiak, AK

Average sunshine days in September - Chugiak, AK
  • Average sunshine days in September: 10.5 days

The month with the most sunshine days is January (17.2 days).
The month with the least sunshine days is August (10.2 days).

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Average UV index in September
Chugiak, AK

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

The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in September
Chugiak, AK

Average cloud cover in September - Chugiak, AK
  • Average cloud cover in September: 42

The months with the most cloud cover are April, August and December (Cloud cover 44).
The month with the least cloud cover is May (Cloud cover 37).

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Average visibility in September
Chugiak, AK

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

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

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Chugiak, Alaska, USA

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