Records for Charleston Area, South Carolina (CHSthr) on 09-20
Record Highs
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1: 98°F (1942)
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2: 94°F (2010)
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3: 94°F (1990)
Record Lows
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1: 53°F (1984)
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2: 53°F (1981)
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3: 56°F (1996)
Lowest Highs
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1: 76°F (1954)
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2: 75°F (1980)
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3: 73°F (1983)
Highest Lows
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1: 74°F (1969)
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2: 74°F (1937)
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3: 75°F (2014)
Highest September temperature:
99°F on 09-04-1944.
Lowest September temperature:
42°F on 09-30-1967.
Average temperature is 76.8°F
Average high is 81.9°F
Average low is 71.7°F
Temperature data from 1937 to 2022.
Record Precipitation
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1: 5.18" (1979)
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2: 1.96" (2021)
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3: 1.28" (1952)
Precipitation data from 1937 to 2022.