Records for Charleston Area, South Carolina (CHSthr) on 09-21
Record Highs
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1: 94°F (1990)
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2: 93°F (1954)
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3: 93°F (1945)
Record Lows
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1: 52°F (1962)
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2: 54°F (1938)
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3: 55°F (1984)
Lowest Highs
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1: 78°F (1954)
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2: 75°F (2000)
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3: 75°F (1998)
Highest Lows
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1: 70°F (1969)
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2: 74°F (1994)
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3: 74°F (1962)
Highest September temperature:
99°F on 09-04-1944.
Lowest September temperature:
42°F on 09-30-1967.
Average temperature is 76.6°F
Average high is 81.7°F
Average low is 71.5°F
Temperature data from 1937 to 2022.
Record Precipitation
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1: 10.52" (1998)
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2: 4.84" (1989)
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3: 1.21" (2021)
Precipitation data from 1937 to 2022.