September weather forecast
Skagway, AK

The White Pass & Yukon Route Railroad heading to Skagway in Alaska
The White Pass & Yukon Route Railroad heading to Skagway in Alaska

Weather in September

The first month of the autumn, September, is also a frosty month in Skagway, Alaska, with an average temperature varying between 43.9°F (6.6°C) and 35.2°F (1.8°C).

Temperature

In September, the average high-temperature marginally drops from a fresh 51.4°F (10.8°C) in August to a chilly 43.9°F (6.6°C). The average low-temperature, in Skagway, is 35.2°F (1.8°C).

Humidity

In September, the average relative humidity is 86%.

Rainfall

In Skagway, during 18.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, in Skagway, there are 172.5 rainfall days, and 33.66" (855mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Skagway, the average length of the day in September is 12h and 49min.
On the first day of September, sunrise is at 5:58 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:37 pm AKDT.

Sunshine

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

UV index

The months with the lowest UV index in Skagway are January, February, April, September through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 1 in September transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Skagway?

In Skagway, Alaska, in September, the average high-temperature is 43.9°F (6.6°C), and the average low-temperature is 35.2°F (1.8°C).

What is the average humidity in September in Skagway?

The average relative humidity in September is 86%.

How many days does it rain in September in Skagway?

In Skagway, in September, during 18.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

When it does not snow in Skagway?

June through September are months without snowfall.

Does it snow in Skagway in September?

In Skagway, in September, it doesn't snow. In October, it regularly snows.

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

In September, the average day length in Skagway is 12h and 49min.

When is the sunrise / sunset in September in Skagway?

In September, on the first day of the month, sunrise is at 5:58 am and sunset at 8:04 pm. On the last day of the month, in Skagway, Alaska, sunrise is at 7:04 am and sunset at 6:37 pm AKDT.

How long on average sun shines in September in Skagway?

The average sunshine duration in September in Skagway is 6.1h.

What is the month with the lowest UV index in Skagway?

January, February, April, September through December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in September in Skagway?

The average daily maximum UV index in September is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Skagway, AK

Average temperature in September - Skagway, AK
  • Average high temperature in September: 43.9°F

The warmest month (with the highest average high temperature) is July (54.9°F).
The month with the lowest average high temperature is December (17.8°F).

  • Average low temperature in September: 35.2°F

The month with the highest average low temperature is July (42.6°F).
The coldest month (with the lowest average low temperature) is February (7°F).

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Average pressure in September
Skagway, AK

Average pressure in September - Skagway, AK
  • Average pressure in September: 29.87"Hg

The month with the highest atmospheric pressure is July (30"Hg).
The month with the lowest atmospheric pressure is November (29.83"Hg).

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Average wind speed in September
Skagway, AK

Average wind speed in September - Skagway, AK
  • Average wind speed in September: 6.4mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest months (with the lowest average wind speed) are April and May (5.5mph).

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Average humidity in September
Skagway, AK

Average humidity in September - Skagway, AK
  • Average humidity in September: 86%

The month with the highest relative humidity is January (94%).
The months with the lowest relative humidity are June and July (80%).

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Average rainfall in September
Skagway, AK

Average rainfall in September - Skagway, AK
  • Average rainfall in September: 3.11"

The wettest month (with the highest rainfall) is January (4.13").
The driest month (with the least rainfall) is May (1.54").

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Average rainfall days in September
Skagway, AK

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

The month with the highest number of rainy days is August (19.6 days).
The month with the least rainy days is February (7.2 days).

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Average snowfall in September
Skagway, AK

Average snowfall in September - Skagway, AK
  • Average snowfall in September: 0"

The month with the highest snowfall is January (19.69").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Skagway, AK

Average snowfall days in September - Skagway, AK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Skagway, AK
  • Average daylight in September: 12h and 49min

The month with the longest days is June (Average daylight: 18h and 32min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in September: 6h and 6min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).

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Average sunshine days in September
Skagway, AK

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

The month with the most sunshine days is March (12.3 days).
The month with the least sunshine days is June (8 days).

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Average UV index in September
Skagway, AK

Average UV index in September - Skagway, 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, April, September, October, November and December (UV index 1).

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Average cloud cover in September
Skagway, AK

Average cloud cover in September - Skagway, AK
  • Average cloud cover in September: 63

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 51).

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Average visibility in September
Skagway, AK

Average visibility in September - Skagway, AK
  • Average visibility in September: 5mi

The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

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