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).
M any weather-related myths surround Alaskaâs temperatures and climate. One of the most common is that Alaska temperatures in summer are cool. In fact, like much of the United States, Alaska has four seasons and weather records at both ends of the thermometer.Alaskaâs summers are warm with temperatures that can reach into the 90Â°s.any believe that the far northern part of Alaska would be the coldest. Actually, the record for Alaska (and the entire U.S. for that matter) was set in 1971 at Prospect Creek in the northern interior: a bone-chilling -80Â°F! When compared to high readings near 90Â°, Alaska temperatures range is an astonishing 170Â°.