Records for Des Moines Area, Iowa (DSMthr) on 09-21
Record Highs
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1: 95°F (1937)
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2: 93°F (2016)
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3: 93°F (2005)
Record Lows
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1: 35°F (1995)
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2: 35°F (1918)
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3: 36°F (1999)
Lowest Highs
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1: 75°F (2016)
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2: 72°F (1895)
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3: 69°F (1893)
Highest Lows
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1: 53°F (1995)
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2: 53°F (1934)
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3: 53°F (1883)
Highest September temperature:
101°F on 09-03-1939.
Lowest September temperature:
26°F on 09-28-1942.
Average temperature is 64.3°F
Average high is 75.3°F
Average low is 53.3°F
Temperature data from 1878 to 2022.
Record Precipitation
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1: 1.59" (1914)
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2: 0.71" (1894)
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3: 0.67" (2003)
Precipitation data from 1878 to 2022.