Records for Charleston Downtown Area, South Carolina (CXMthr) on 09-22
Record Highs
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1: 92°F (1925)
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2: 91°F (2022)
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3: 91°F (1998)
Record Lows
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1: 53°F (1913)
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2: 55°F (1918)
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3: 56°F (1897)
Lowest Highs
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1: 79°F (2010)
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2: 79°F (1998)
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3: 78°F (1990)
Highest Lows
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1: 62°F (1897)
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2: 65°F (1929)
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3: 69°F (2020)
Highest September temperature:
100°F on 09-01-1912.
Lowest September temperature:
50°F on 09-29-1942.
Average temperature is 76.4°F
Average high is 81.5°F
Average low is 71.2°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 2.76" (1952)
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2: 1.66" (1896)
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3: 1.47" (1897)
Precipitation data from 1893 to 2022.