Records for Charleston Downtown Area, South Carolina (CXMthr) on 09-17
Record Highs
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1: 94°F (1896)
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2: 93°F (1972)
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3: 93°F (1931)
Record Lows
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1: 60°F (2011)
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2: 60°F (1984)
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3: 60°F (1961)
Lowest Highs
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1: 79°F (2018)
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2: 79°F (1927)
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3: 79°F (1901)
Highest Lows
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1: 70°F (1946)
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2: 71°F (2011)
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3: 71°F (1979)
Highest September temperature:
100°F on 09-01-1912.
Lowest September temperature:
50°F on 09-29-1942.
Average temperature is 77.5°F
Average high is 82.5°F
Average low is 72.4°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 4.71" (1945)
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2: 2.86" (1974)
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3: 1.54" (1944)
Precipitation data from 1893 to 2022.