Glacier National Park weather in September
Cool, with occasional showers. Average highs of 14°C and lows of 5°C, with around 9 rainy days expected throughout the month.
While September isn't our top-rated month for Glacier National Park, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
14°C
Average low
5°C
Rainy days
9 days
Best months to visit
Year-round
What to do in Glacier National Park in September
Whatever the weather, Glacier National Park rewards curious visitors. Here are some of the best ways to spend your time:
Explore
Dine
Culture
Nature
Shopping
Day trips
What to pack for September
Layer up — a mid-weight jacket, jumpers, and comfortable trousers. Waterproof shoes are recommended. Scarves and gloves may be useful in the evenings.
Browse other months
January
-4C
Cold, with regular rainfall.
February
-6C
Cold, with regular rainfall.
March
0C
Cold, with regular rainfall.
April
4C
Cold, with regular rainfall.
May
10C
Cool, with some rainy days.
June
15C
Cool, with regular rainfall.
July
21C
Mild and comfortable, with occasional showers.
August
21C
Mild and comfortable, with occasional showers.
September (you are here)
14C
Cool, with occasional showers.
October
6C
Cold, with some rainy days.
November
-2C
Cold, with regular rainfall.
December
-5C
Cold, with regular rainfall.
Book your September trip to Glacier National Park
Find hotels, tours and experiences for the perfect escape.
