Records for Helena Area, Montana (HLNthr) on 09-01
Record Highs
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1: 96°F (1967)
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2: 94°F (2022)
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3: 94°F (1998)
Record Lows
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1: 33°F (1930)
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2: 35°F (1952)
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3: 36°F (2008)
Lowest Highs
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1: 64°F (1991)
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2: 61°F (1983)
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3: 61°F (1882)
Highest Lows
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1: 50°F (2008)
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2: 50°F (1910)
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3: 50°F (1887)
Highest September temperature:
102°F on 09-07-2022.
Lowest September temperature:
6°F on 09-24-1926.
Average temperature is 63.9°F
Average high is 79.2°F
Average low is 48.6°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.46" (2008)
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2: 0.41" (1896)
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3: 0.40" (1993)
Precipitation data from 1880 to 2022.