Records for Missoula Area, Montana (MSOthr) on 09-23
Record Highs
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1: 91°F (1938)
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2: 90°F (2011)
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3: 88°F (1987)
Record Lows
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1: 20°F (2000)
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2: 24°F (1996)
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3: 26°F (1893)
Lowest Highs
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1: 54°F (1938)
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2: 53°F (2019)
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3: 51°F (1966)
Highest Lows
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1: 44°F (1984)
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2: 45°F (1912)
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3: 46°F (1961)
Highest September temperature:
99°F on 09-01-1967.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 55.7°F
Average high is 69.9°F
Average low is 41.5°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 1.01" (2007)
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2: 0.76" (1930)
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3: 0.53" (1958)
Precipitation data from 1893 to 2022.