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).
The temperature in Anchorage creeps above 69 degrees Fahrenheit an average of just 12 days a year and normally doesn't get above 80 degrees. Anchorage's spells of 70-degree weather typically occur from May to August. Warm weather during winter is scarce.or most of winter Anchorage's temperature remains below freezing all day long. The thermometer there drops to 0 degrees Fahrenheit or colder an average of 20 days a year. Daytime highs of less than 33 degrees can also occur during October, November, March and April.