Records for Philadelphia Area, Pennsylvania (PHLthr) on 09-20
Record Highs
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1: 90°F (1983)
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2: 90°F (1895)
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3: 86°F (2017)
Record Lows
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1: 45°F (1979)
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2: 45°F (1956)
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3: 47°F (2020)
Lowest Highs
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1: 73°F (1989)
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2: 72°F (1906)
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3: 72°F (1882)
Highest Lows
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1: 59°F (1901)
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2: 62°F (1956)
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3: 63°F (1982)
Highest September temperature:
102°F on 09-07-1881.
Lowest September temperature:
35°F on 09-25-1963.
Average temperature is 70.1°F
Average high is 78.8°F
Average low is 61.3°F
Temperature data from 1873 to 2022.
Record Precipitation
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1: 3.04" (1938)
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2: 0.91" (1918)
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3: 0.75" (1874)
Precipitation data from 1871 to 2022.