Records for Indianapolis Area, Indiana (INDthr) on 09-19
  Record Highs
  
    - 
      1:  93°F (1940)
    
 
    - 
      2:  93°F (1891)
    
 
    - 
      3:  92°F (1983)
    
 
  
 
  Record Lows
  
    - 
      1:  38°F (1956)
    
 
    - 
      2:  39°F (1901)
    
 
    - 
      3:  40°F (1991)
    
 
  
 
  Lowest Highs
  
    - 
      1:  74°F (1925)
    
 
    - 
      2:  73°F (1893)
    
 
    - 
      3:  72°F (1895)
    
 
  
 
  Highest Lows
  
    - 
      1:  50°F (1918)
    
 
    - 
      2:  56°F (1929)
    
 
    - 
      3:  59°F (2006)
    
 
  
 
  Highest September temperature:
  
  100°F on 09-01-1953.
  Lowest September temperature:
  
  30°F on 09-30-1899.
  Average temperature is 64.9°F
  Average high is 75.9°F
  Average low is 53.9°F
 
  Temperature data from 1871 to 2022.
  Record Precipitation
  
    - 
      1:  2.29" (1896)
    
 
    - 
      2:  2.18" (1966)
    
 
    - 
      3:  1.88" (2011)
    
 
  
 
  Precipitation data from 1871 to 2022.