Missoula
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Missoula Weather in September

Missoula in September sees high daytime temperatures of 23°C (73°F) and nighttime lows of 6°C (43°F). Low rainfall is typical, with around 29 mm (1.1 in) for the month.

Rainfall in Missoula in September

Typically, you can expect about 8 days of rain this month, with 29 mm (1.1 in) on average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Missoula in September

The excellent temperature in Missoula in September makes it a solid month to visit, with 23°C (73°F) during the day and 6°C (43°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, August and September typically offer the best weather for Missoula.

Missoula Temperature in September

Min Temperature
6°C (43°F)
Max Temperature
23°C (73°F)
Chance of Rain
27%
Precipitation
29 mm (1.1 in)
Rainy days
8 days

Missoula Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Missoula - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Missoula in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket.

What To Do in Missoula in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    5/10
  • Outdoor sports
    10/10

Missoula 3-Day Forecast

More climate data for Missoula

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.