Fort Yukon
Alaska, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Fort Yukon, AK

  • The average high temperature in September: 50.6°F

The warmest month (with the highest average high temperature) is July (73.2°F).
The month with the lowest average high temperature is January (-10.9°F).

  • The average low temperature in September: 32.1°F

The month with the highest average low temperature is July (51.2°F).
The coldest month (with the lowest average low temperature) is January (-27.8°F).

  • The average humidity in September: 74%

Months with the highest relative humidity are October and November (78%).
The month with the lowest relative humidity is May (49%).

  • The average rainfall in September: 0.8"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the lowest rainfall) is April (0.2").

  • The average snowfall in September: 1.7"

The month with the highest snowfall is October (6.8").
Months with the lowest snowfall are July and August (0").