Weather in Missoula in September
Missoula, United States averages a high of 22.8°C (73°F) and low of 9.7°C (49.5°F) in September, with 5 rain days and 10.7 hours of daily sunshine. Travel score: 88/100 (Excellent). The best time to visit Missoula is July.
High
23°C73°F
Low
10°C49°F
🌧️
5
rain days
☀️
10.7
hrs/day sunshine
💧
53%
humidity
88— Excellent
September in Missoula is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Missoula?
How much does it rain in Missoula in September?
Missoula receives an average of 31.8mm of rainfall across 5 rainy days in September. The annual total is 485.3mm.
What should I pack for Missoula in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 23°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 13°C from day to night
🎉Visiting United States in September?
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Data based on 1994–2024 averages · Last updated: 2024-12-31