Records for Sioux Falls Area, South Dakota (FSDthr) on 09-30
Record Highs
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1: 90°F (1976)
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2: 90°F (1952)
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3: 89°F (1897)
Record Lows
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1: 20°F (1895)
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2: 22°F (1974)
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3: 23°F (1899)
Lowest Highs
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1: 65°F (1983)
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2: 62°F (2021)
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3: 61°F (1937)
Highest Lows
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1: 44°F (1947)
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2: 46°F (1985)
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3: 48°F (1961)
Highest September temperature:
104°F on 09-04-1913.
Lowest September temperature:
13°F on 09-29-1899.
Average temperature is 57.7°F
Average high is 69.7°F
Average low is 45.6°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 2.71" (1977)
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2: 1.00" (2021)
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3: 1.00" (1926)
Precipitation data from 1893 to 2022.