Records for Charleston Downtown Area, South Carolina (CXMthr) on 09-23
Record Highs
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1: 93°F (1980)
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2: 91°F (1921)
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3: 91°F (1900)
Record Lows
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1: 55°F (1999)
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2: 55°F (1983)
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3: 56°F (1918)
Lowest Highs
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1: 78°F (1998)
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2: 78°F (1925)
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3: 77°F (2000)
Highest Lows
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1: 67°F (1999)
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2: 67°F (1963)
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3: 67°F (1897)
Highest September temperature:
100°F on 09-01-1912.
Lowest September temperature:
50°F on 09-29-1942.
Average temperature is 76.1°F
Average high is 81.3°F
Average low is 71°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 2.74" (1947)
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2: 0.81" (1951)
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3: 0.70" (1957)
Precipitation data from 1893 to 2022.