Records for Portland Area, Maine (PWMthr) on 09-30
Record Highs
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1: 85°F (1986)
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2: 85°F (1948)
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3: 80°F (1959)
Record Lows
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1: 23°F (1941)
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2: 27°F (1951)
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3: 29°F (1942)
Lowest Highs
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1: 59°F (2010)
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2: 59°F (1987)
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3: 58°F (2020)
Highest Lows
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1: 50°F (1992)
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2: 51°F (1965)
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3: 53°F (1951)
Highest September temperature:
95°F on 09-07-1945.
Lowest September temperature:
23°F on 09-30-1941.
Average temperature is 56.1°F
Average high is 65.5°F
Average low is 46.6°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 5.56" (2015)
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2: 2.14" (1920)
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3: 1.75" (1946)
Precipitation data from 1871 to 2022.