Records for International Falls Area, Minnesota (INLthr) on 09-01
  Record Highs
  
    - 
      1:  90°F (1913)
    
- 
      2:  88°F (1921)
    
- 
      3:  87°F (2008)
    
 
  Record Lows
  
    - 
      1:  32°F (1909)
    
- 
      2:  33°F (1974)
    
- 
      3:  34°F (1994)
    
 
  Lowest Highs
  
    - 
      1:  68°F (2008)
    
- 
      2:  65°F (1973)
    
- 
      3:  64°F (2011)
    
 
  Highest Lows
  
    - 
      1:  55°F (1984)
    
- 
      2:  55°F (1908)
    
- 
      3:  56°F (1974)
    
 
  Highest September temperature:
  
  96°F on 09-07-1906.
  Lowest September temperature:
  
  19°F on 09-15-2011.
  Average temperature is 59.5°F
  Average high is 72.3°F
  Average low is 46.7°F
 
  Temperature data from 1897 to 2022.
  Record Precipitation
  
    - 
      1:  3.34" (1973)
    
- 
      2:  2.80" (1961)
    
- 
      3:  1.46" (1959)
    
 
  Precipitation data from 1895 to 2022.