Records for Sioux City Area, Iowa (SUXthr) on 09-15
Record Highs
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1: 98°F (1955)
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2: 97°F (1939)
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3: 92°F (2018)
Record Lows
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1: 32°F (2011)
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2: 32°F (2007)
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3: 33°F (1993)
Lowest Highs
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1: 70°F (1939)
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2: 70°F (1927)
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3: 69°F (1897)
Highest Lows
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1: 46°F (1903)
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2: 53°F (1912)
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3: 56°F (1970)
Highest September temperature:
103°F on 09-02-2000.
Lowest September temperature:
24°F on 09-29-1945.
Average temperature is 64.6°F
Average high is 77.9°F
Average low is 51.2°F
Temperature data from 1889 to 2022.
Record Precipitation
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1: 2.87" (1988)
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2: 1.62" (1941)
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3: 1.40" (1933)
Precipitation data from 1889 to 2022.