Records for Rapid City Downtown Area, South Dakota (UNRS2thr) on 09-11
  Record Highs
  
    - 
      1:  94°F (1908)
    
 
    - 
      2:  93°F (1971)
    
 
    - 
      3:  93°F (1948)
    
 
  
 
  Record Lows
  
    - 
      1:  29°F (1921)
    
 
    - 
      2:  32°F (2014)
    
 
    - 
      3:  36°F (1964)
    
 
  
 
  Lowest Highs
  
    - 
      1:  67°F (2017)
    
 
    - 
      2:  65°F (1998)
    
 
    - 
      3:  65°F (1963)
    
 
  
 
  Highest Lows
  
    - 
      1:  37°F (2014)
    
 
    - 
      2:  49°F (1950)
    
 
    - 
      3:  53°F (1903)
    
 
  
 
  Highest September temperature:
  
  103°F on 09-02-1960.
  Lowest September temperature:
  
  15°F on 09-25-1926.
  Average temperature is 64.6°F
  Average high is 76.5°F
  Average low is 52.8°F
 
  Temperature data from 1888 to 2022.
  Record Precipitation
  
    - 
      1:  0.54" (1891)
    
 
    - 
      2:  0.52" (2019)
    
 
    - 
      3:  0.42" (1906)
    
 
  
 
  Precipitation data from 1888 to 2022.