Records for Portland Area, Maine (PWMthr) on 09-20
Record Highs
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1: 87°F (1985)
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2: 86°F (1946)
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3: 84°F (1965)
Record Lows
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1: 27°F (1964)
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2: 29°F (1979)
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3: 31°F (1941)
Lowest Highs
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1: 65°F (2017)
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2: 64°F (2016)
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3: 62°F (2003)
Highest Lows
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1: 54°F (1979)
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2: 56°F (1987)
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3: 56°F (1960)
Highest September temperature:
95°F on 09-07-1945.
Lowest September temperature:
23°F on 09-30-1941.
Average temperature is 60.1°F
Average high is 69.5°F
Average low is 50.6°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 2.04" (1987)
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2: 1.88" (1899)
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3: 1.39" (1933)
Precipitation data from 1871 to 2022.