Skagway
Alaska, USA
Long-term weather forecast
Long-term weather forecast
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September weather forecast and Climate
Skagway, AK

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September has long days in Skagway with moderate sunshine and low relative humidity around 50%. The average temperatures are in the range of a mild 44°F (6.7°C) to 57°F (13.9°C) with partly cloudy skies. The evenings are cold with the north wind blowing around 10 miles per hour.
Middays are perfect to cruise the fjord waters with the lovely sunshine providing a ton of energy. The warm days can change quickly as September also has 16 wet days that bring about 4" (101.6mm) of rain.
Carry adequate rain protection when outdoors as Skagway is wet in September.
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  • The average high temperature in September: 57.4°F

The warmest month (with the highest average high temperature) is July (66.9°F).
The month with the lowest average high temperature is January (26.9°F).

  • The average low temperature in September: 44.2°F

The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (17.3°F).

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  • The average rainfall in September: 4"

The wettest month (with the highest rainfall) is October (4.2").
The driest month (with the lowest rainfall) is June (1.1").

  • The average rainfall days in September: 16 days

The month with the highest number of rainy days is October (18 days).
Months with the lowest number of rainy days are April, May and June (8 days).

  • The average snowfall in September: 0"

The month with the highest snowfall is January (14.2").
Months with the lowest snowfall are June, July, August and September (0").

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