Records for Portland Area, Maine (PWMthr) on 09-23
Record Highs
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1: 89°F (2019)
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2: 86°F (1941)
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3: 85°F (1970)
Record Lows
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1: 31°F (1955)
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2: 33°F (1947)
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3: 34°F (1945)
Lowest Highs
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1: 68°F (2019)
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2: 68°F (1970)
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3: 64°F (2021)
Highest Lows
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1: 54°F (1963)
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2: 56°F (1981)
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3: 56°F (1974)
Highest September temperature:
95°F on 09-07-1945.
Lowest September temperature:
23°F on 09-30-1941.
Average temperature is 58.9°F
Average high is 68.3°F
Average low is 49.4°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 4.04" (1994)
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2: 3.48" (1981)
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3: 3.33" (1907)
Precipitation data from 1871 to 2022.