Records for Sioux Falls Area, South Dakota (FSDthr) on 09-29
  Record Highs
  
    - 
      1:  90°F (1897)
    
 
    - 
      2:  86°F (1970)
    
 
    - 
      3:  86°F (1910)
    
 
  
 
  Record Lows
  
    - 
      1:  13°F (1899)
    
 
    - 
      2:  26°F (1984)
    
 
    - 
      3:  27°F (1949)
    
 
  
 
  Lowest Highs
  
    - 
      1:  66°F (1995)
    
 
    - 
      2:  64°F (2021)
    
 
    - 
      3:  64°F (1922)
    
 
  
 
  Highest Lows
  
    - 
      1:  42°F (1985)
    
 
    - 
      2:  44°F (1907)
    
 
    - 
      3:  47°F (2018)
    
 
  
 
  Highest September temperature:
  
  104°F on 09-04-1913.
  Lowest September temperature:
  
  13°F on 09-29-1899.
  Average temperature is 58.2°F
  Average high is 70.2°F
  Average low is 46.1°F
 
  Temperature data from 1893 to 2022.
  Record Precipitation
  
    - 
      1:  1.32" (1962)
    
 
    - 
      2:  1.26" (1965)
    
 
    - 
      3:  1.15" (1923)
    
 
  
 
  Precipitation data from 1893 to 2022.