Records for Charleston Downtown Area, South Carolina (CXMthr) on 09-15
Record Highs
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1: 96°F (1980)
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2: 94°F (2005)
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3: 94°F (1938)
Record Lows
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1: 61°F (1985)
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2: 61°F (1967)
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3: 62°F (1914)
Lowest Highs
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1: 80°F (1925)
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2: 80°F (1900)
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3: 79°F (2021)
Highest Lows
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1: 71°F (1932)
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2: 72°F (2001)
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3: 72°F (1975)
Highest September temperature:
100°F on 09-01-1912.
Lowest September temperature:
50°F on 09-29-1942.
Average temperature is 77.9°F
Average high is 82.8°F
Average low is 72.9°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 4.31" (1991)
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2: 3.99" (1999)
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3: 3.35" (1920)
Precipitation data from 1893 to 2022.