Glacier · September · Montana
Glacier National Park in September
September is a prime month to visit Glacier National Park. Expect busy. Highs average 56°F and lows 39°F, with about 2.1 inches of rain.
September gets a prime rating at Glacier. The very best months are Jul–Sep.
Last prime month Best value
What to expect
September is prime at Glacier. September is superb: fewer people, larches and aspens turning, and the road open until mid-October.
Many Glacier is the best area for grizzlies, moose and bighorn sheep. Go early in the morning for both wildlife and parking.
Good to know
- Best months overall: Jul–Sep.
- Closest airport: Glacier Park International (FCA), about 30 minutes.
- Before you go: Vehicle reservations have been required for Going-to-the-Sun Road and other areas in recent summers. Opening dates vary with snow. Check current conditions on nps.gov.
Questions
Is September a good time to visit Glacier National Park?
September is a prime month to visit Glacier National Park. Expect busy. Highs average 56°F and lows 39°F, with about 2.1 inches of rain.
What is the weather like in Glacier National Park in September?
Highs average 56°F and lows 39°F, with about 2.1 inches of rain. September is rated prime for visiting.
How crowded is Glacier National Park in September?
September brings busy to Glacier National Park. Go early in the day and book lodging ahead.