Missoula weather in September
Mild and comfortable, with occasional showers. Average highs of 23°C and lows of 9°C, with around 6 rainy days expected throughout the month.
✦ This is a recommended month to visit Missoula. The combination of weather, atmosphere and experience is at its best.
Average high
23°C
Average low
9°C
Rainy days
6 days
Best months to visit
June, July, August, September
What to do in Missoula in September
Whatever the weather, Missoula rewards curious visitors. Here are some of the best ways to spend your time:
Kayak or raft the Clark Fork or Blackfoot Rivers
Hike trails in the surrounding national forests
Visit Powell's Books and the local bookstore scene
Tour the University of Montana campus
Explore downtown galleries and indie shops
Attend outdoor concerts and farmers' markets
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
2C
Cold, with some rainy days.
February
2C
Cold, with some rainy days.
March
8C
Cold, with some rainy days.
April
13C
Cool, with some rainy days.
May
19C
Mild and comfortable, with occasional showers.
Recommended
June
24C
Mild and comfortable, with occasional showers.
Recommended
July
30C
Hot and humid, and mostly sunny skies.
Recommended
August
29C
Warm and pleasant, and mostly sunny skies.
Recommended
September (you are here)
23C
Mild and comfortable, with occasional showers.
October
15C
Cool, with some rainy days.
November
6C
Cold, with some rainy days.
December
2C
Cold, with some rainy days.
Book your September trip to Missoula
Find hotels, tours and experiences for the perfect escape.
