Records for Sioux Falls Area, South Dakota (FSDthr) on 09-20
Record Highs
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1: 95°F (2022)
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2: 93°F (1910)
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3: 92°F (1941)
Record Lows
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1: 25°F (1918)
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2: 28°F (1899)
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3: 30°F (2006)
Lowest Highs
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1: 72°F (2019)
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2: 69°F (1941)
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3: 66°F (1970)
Highest Lows
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1: 49°F (1965)
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2: 50°F (1995)
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3: 50°F (1983)
Highest September temperature:
104°F on 09-04-1913.
Lowest September temperature:
13°F on 09-29-1899.
Average temperature is 62°F
Average high is 73.8°F
Average low is 50.1°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 3.07" (2018)
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2: 2.91" (1950)
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3: 1.82" (1902)
Precipitation data from 1893 to 2022.