Records for Philadelphia Area, Pennsylvania (PHLthr) on 09-21
Record Highs
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1: 97°F (1895)
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2: 93°F (1914)
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3: 92°F (1931)
Record Lows
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1: 38°F (1956)
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2: 41°F (1962)
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3: 45°F (1904)
Lowest Highs
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1: 75°F (1895)
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2: 73°F (1989)
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3: 71°F (1906)
Highest Lows
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1: 59°F (1875)
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2: 60°F (1938)
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3: 61°F (1963)
Highest September temperature:
102°F on 09-07-1881.
Lowest September temperature:
35°F on 09-25-1963.
Average temperature is 69.7°F
Average high is 78.4°F
Average low is 61°F
Temperature data from 1873 to 2022.
Record Precipitation
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1: 2.44" (1983)
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2: 1.74" (1913)
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3: 1.72" (1882)
Precipitation data from 1871 to 2022.