Records for Charleston Downtown Area, South Carolina (CXMthr) on 09-18
Record Highs
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1: 98°F (1931)
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2: 93°F (1958)
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3: 92°F (1972)
Record Lows
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1: 60°F (1984)
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2: 60°F (1910)
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3: 61°F (1961)
Lowest Highs
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1: 79°F (2005)
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2: 79°F (1998)
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3: 79°F (1970)
Highest Lows
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1: 67°F (1961)
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2: 72°F (2011)
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3: 72°F (1951)
Highest September temperature:
100°F on 09-01-1912.
Lowest September temperature:
50°F on 09-29-1942.
Average temperature is 77.3°F
Average high is 82.3°F
Average low is 72.2°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 6.72" (1928)
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2: 1.97" (2000)
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3: 1.88" (1956)
Precipitation data from 1893 to 2022.