Records for Knoxville Area, Tennessee (TYSthr) on 09-13
  Record Highs
  
    - 
      1:  97°F (2019)
    
- 
      2:  97°F (1998)
    
- 
      3:  96°F (1939)
    
 
  Record Lows
  
    - 
      1:  47°F (1940)
    
- 
      2:  48°F (1902)
    
- 
      3:  50°F (2015)
    
 
  Lowest Highs
  
    - 
      1:  72°F (1982)
    
- 
      2:  72°F (1979)
    
- 
      3:  72°F (1936)
    
 
  Highest Lows
  
    - 
      1:  63°F (1902)
    
- 
      2:  65°F (1966)
    
- 
      3:  68°F (2015)
    
 
  Highest September temperature:
  
  103°F on 09-05-1954.
  Lowest September temperature:
  
  35°F on 09-30-1888.
  Average temperature is 71.8°F
  Average high is 83.9°F
  Average low is 59.8°F
 
  Temperature data from 1871 to 2022.
  Record Precipitation
  
    - 
      1:  1.85" (1957)
    
- 
      2:  1.52" (1929)
    
- 
      3:  1.17" (1973)
    
 
  Precipitation data from 1871 to 2022.