We've looked at the most up-to-date weather data for Alaska, covering the last 12 years up to 2023, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Alaska weather in September.
What's the temperature like in Alaska during September?
It's cold in Alaska during September. The temperature tops out at around 9℃ during the day, falling away to 2℃ at night. The UV index will be low at this time of year, so not something to worry about. However, if you're going to be outside for long periods it's always a good idea to apply a small amount of sunscreen to exposed skin.
Does it snow in Alaska during September?
Possibly. There's a chance of snow during September but not as much as you might think. Check the local forecast before you leave home so that you can pack appropriate footwear and clothing.
Does it rain in Alaska during September?
On average, there will be 6 rainy days during the month, amounting to 68.9mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. You're not likely to see a thunderstorm during your trip.
Is it windy in Alaska during September?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With cool air temperatures, any breeze will feel cold.
Alaska Blog posts
From the top US travel bloggers

16th June 2019 by The Blonde Abroad
The best destinations to travel to in AugustSummer is going to be in full swing soon enough, and for those that want to plan the ultimate trip to finish off the sunny season—August is the best time to visit countless destinations around the globe!However, there are a few places that aren’t so ideal. Many European hotspots are abandoned in August while the locals go on holiday. In Paris, for example, small boutiques and restaurants often close as Parisians explore the countryside…so you really won’t get much of the local...
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