Records for International Falls Area, Minnesota (INLthr) on 09-23
  Record Highs
  
    - 
      1:  86°F (1958)
    
 
    - 
      2:  84°F (2007)
    
 
    - 
      3:  82°F (1917)
    
 
  
 
  Record Lows
  
    - 
      1:  21°F (2012)
    
 
    - 
      2:  24°F (1995)
    
 
    - 
      3:  25°F (1976)
    
 
  
 
  Lowest Highs
  
    - 
      1:  57°F (1920)
    
 
    - 
      2:  56°F (2017)
    
 
    - 
      3:  54°F (1958)
    
 
  
 
  Highest Lows
  
    - 
      1:  44°F (2018)
    
 
    - 
      2:  45°F (1913)
    
 
    - 
      3:  46°F (1976)
    
 
  
 
  Highest September temperature:
  
  96°F on 09-07-1906.
  Lowest September temperature:
  
  19°F on 09-15-2011.
  Average temperature is 51.3°F
  Average high is 63.2°F
  Average low is 39.4°F
 
  Temperature data from 1897 to 2022.
  Record Precipitation
  
    - 
      1:  0.83" (2010)
    
 
    - 
      2:  0.71" (1942)
    
 
    - 
      3:  0.56" (2008)
    
 
  
 
  Precipitation data from 1895 to 2022.