Records for Portland Area, Maine (PWMthr) on 09-15
Record Highs
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1: 90°F (1993)
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2: 87°F (1941)
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3: 85°F (1944)
Record Lows
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1: 29°F (1963)
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2: 33°F (1964)
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3: 34°F (1975)
Lowest Highs
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1: 65°F (2005)
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2: 64°F (2021)
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3: 64°F (1947)
Highest Lows
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1: 45°F (1959)
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2: 53°F (1970)
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3: 58°F (1984)
Highest September temperature:
95°F on 09-07-1945.
Lowest September temperature:
23°F on 09-30-1941.
Average temperature is 62°F
Average high is 71.5°F
Average low is 52.5°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 2.32" (1904)
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2: 2.12" (1944)
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3: 1.69" (1880)
Precipitation data from 1871 to 2022.