Records for Missoula Area, Montana (MSOthr) on 09-17
Record Highs
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1: 91°F (1981)
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2: 90°F (1938)
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3: 90°F (1937)
Record Lows
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1: 24°F (1965)
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2: 27°F (1978)
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3: 29°F (1973)
Lowest Highs
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1: 58°F (1904)
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2: 56°F (1937)
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3: 54°F (1951)
Highest Lows
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1: 43°F (1965)
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2: 43°F (1947)
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3: 48°F (1988)
Highest September temperature:
99°F on 09-01-1967.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 58.1°F
Average high is 72.8°F
Average low is 43.4°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.80" (1900)
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2: 0.51" (2005)
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3: 0.47" (1954)
Precipitation data from 1893 to 2022.