Records for Dubuque Area, Iowa (DBQthr) on 09-27
  Record Highs
  
    - 
      1:  88°F (1954)
    
 
    - 
      2:  88°F (1891)
    
 
    - 
      3:  87°F (1905)
    
 
  
 
  Record Lows
  
    - 
      1:  31°F (1889)
    
 
    - 
      2:  32°F (1991)
    
 
    - 
      3:  32°F (1893)
    
 
  
 
  Lowest Highs
  
    - 
      1:  71°F (1891)
    
 
    - 
      2:  66°F (1901)
    
 
    - 
      3:  65°F (1971)
    
 
  
 
  Highest Lows
  
    - 
      1:  47°F (1942)
    
 
    - 
      2:  50°F (1991)
    
 
    - 
      3:  51°F (1907)
    
 
  
 
  Highest September temperature:
  
  99°F on 09-06-1922.
  Lowest September temperature:
  
  24°F on 09-30-1899.
  Average temperature is 60°F
  Average high is 70.6°F
  Average low is 49.4°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  2.04" (1907)
    
 
    - 
      2:  1.10" (1886)
    
 
    - 
      3:  1.04" (1908)
    
 
  
 
  Precipitation data from 1873 to 2022.