Records for Charleston Downtown Area, South Carolina (CXMthr) on 09-28
Record Highs
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1: 93°F (2017)
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2: 92°F (1986)
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3: 90°F (1911)
Record Lows
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1: 54°F (1947)
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2: 55°F (1909)
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3: 56°F (1962)
Lowest Highs
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1: 80°F (1998)
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2: 79°F (1945)
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3: 78°F (2019)
Highest Lows
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1: 63°F (1984)
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2: 64°F (1940)
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3: 66°F (1957)
Highest September temperature:
100°F on 09-01-1912.
Lowest September temperature:
50°F on 09-29-1942.
Average temperature is 74.9°F
Average high is 80.3°F
Average low is 69.5°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 2.95" (2005)
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2: 1.91" (1957)
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3: 1.54" (1938)
Precipitation data from 1893 to 2022.