Records for Charleston Downtown Area, South Carolina (CXMthr) on 09-30
Record Highs
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1: 94°F (1904)
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2: 92°F (1944)
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3: 89°F (1997)
Record Lows
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1: 50°F (1967)
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2: 51°F (1942)
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3: 54°F (1916)
Lowest Highs
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1: 77°F (1998)
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2: 77°F (1964)
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3: 77°F (1954)
Highest Lows
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1: 65°F (2022)
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2: 69°F (1984)
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3: 69°F (1967)
Highest September temperature:
100°F on 09-01-1912.
Lowest September temperature:
50°F on 09-29-1942.
Average temperature is 74.4°F
Average high is 79.8°F
Average low is 68.9°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 3.96" (2022)
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2: 1.99" (1920)
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3: 1.96" (1948)
Precipitation data from 1893 to 2022.