Records for Charleston Area, South Carolina (CHSthr) on 09-17
Record Highs
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1: 96°F (1972)
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2: 94°F (2005)
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3: 94°F (1942)
Record Lows
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1: 54°F (2001)
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2: 55°F (1961)
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3: 59°F (2011)
Lowest Highs
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1: 78°F (2018)
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2: 75°F (2020)
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3: 75°F (1980)
Highest Lows
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1: 70°F (1946)
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2: 71°F (1979)
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3: 72°F (2000)
Highest September temperature:
99°F on 09-04-1944.
Lowest September temperature:
42°F on 09-30-1967.
Average temperature is 77.5°F
Average high is 82.5°F
Average low is 72.4°F
Temperature data from 1937 to 2022.
Record Precipitation
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1: 6.19" (1945)
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2: 2.24" (1974)
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3: 1.81" (1986)
Precipitation data from 1937 to 2022.