Weather in September
Temperature
With September's onset, the weather shows a temperature decrease, transitioning from a comfortable 64.6°F (18.1°C) in August to a cool 53.1°F (11.7°C). Throughout the month of September, Slana observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 30.6°F (-0.8°C).Rainfall
In Slana, during September, the rain falls for 8 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 64 rainfall days, and 15.35" (390mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, Slana receives 3.19" (81mm) of snow. Throughout the year, 55.39" (1407mm) of snow is accumulated.Daylight
In Slana, the average length of the day in September is 12h and 55min.On the first day of September, sunrise is at 6:25 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 7:07 pm AKDT.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Slana in September?
How many days does it rain in September?
When does it start to snow in Slana?
What is the average length of the day in September?
When are sunrise and sunset in September?
Average temperature in September
Slana, AK
- Average high temperature in September: 53.1°F
The warmest month (with the highest average high temperature) is July (68.5°F).
The month with the lowest average high temperature is January (5°F).
- Average low temperature in September: 30.5°F
The month with the highest average low temperature is July (44.3°F).
The coldest month (with the lowest average low temperature) is January (-11.7°F).
Average rainfall in September
Slana, AK
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is July (2.8").
The driest month (with the least rainfall) is April (0.4").
Average rainfall days in September
Slana, AK
- Average rainfall days in September: 8 days
The month with the highest number of rainy days is July (11 days).
The month with the least rainy days is April (2 days).
Average snowfall in September
Slana, AK
- Average snowfall in September: 3.2"
The months with the highest snowfall are October and November (9.1").
The months with the least snowfall are July and August (0").
Average daylight in September
Slana, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).
Slana, Alaska, USA
Weather forecast for your location
2. Allow the app to use your location