See long range weather forecasts for the next 60 days for the Deep South Region. The Old Farmer's Almanac's scientifically-based, long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.
Weather in Alaska in September. The average maximum daytime temperature in Alaska in September is a cool 13Â°C (55Â°F). There are usually 5 hours of bright sunshine each day, which represents 41% of the 13 hours of daylight. The average sea temperature in and around Alaska in September is 12Â°C (54Â°F).
Alaska Weather A Mix During September Ketchikan cooler than normal October 04, 2007 Thursday (SitNews) - Average September temperatures across Alaska were just below normal in Southeast, but transitioned to above normal for areas to the west.The strongest anomalies were recorded along the North Slope and West Coast, with monthly temperatures averaging more than 5 degrees Fahrenheit above normal.t the Juneau airport, temperatures averaged close to normal in what was an overall rainy and foggy September. The average temperature for the month was 49.8 degrees Fahrenheit, just two-tenths of a degree cooler than normal. The average high and low temperatures were 55 degrees and 45 degrees, respectively.