Typical Weather in Missoula, MT in September
72° F Avg High
43° F Avg Low
4 Rainy Days
☀️ Temperature Summary
September is a popular time of year to visit, with an inviting climate characterized by warm temperatures. September is one of the warmer months of the year for Missoula, with highs averaging around 72°F. You can expect overnight lows near 43°F most days. Daily high temperatures can range between 77°F and 64°F for the month of September.
The warm, dry temperatures in September make Missoula a great destination to relax and soak up the sun.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In September you can expect close to a 13% chance of rain for any given day. It rains less than usual in September, with total rainfall for the month typically near 1 inches.
Rainfall Throughout the Year
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