Records for Charleston Area, South Carolina (CHSthr) on 09-30
Record Highs
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1: 92°F (2019)
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2: 92°F (1973)
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3: 91°F (1986)
Record Lows
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1: 42°F (1967)
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2: 46°F (1970)
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3: 49°F (2001)
Lowest Highs
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1: 73°F (2015)
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2: 73°F (1973)
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3: 73°F (1964)
Highest Lows
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1: 64°F (2022)
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2: 67°F (1969)
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3: 70°F (1984)
Highest September temperature:
99°F on 09-04-1944.
Lowest September temperature:
42°F on 09-30-1967.
Average temperature is 74.4°F
Average high is 79.8°F
Average low is 68.9°F
Temperature data from 1937 to 2022.
Record Precipitation
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1: 5.57" (2022)
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2: 2.57" (1938)
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3: 0.96" (1948)
Precipitation data from 1937 to 2022.