Records for Marathon Area, Florida (MTHthr) on 09-17
  Record Highs
  
    - 
      1:  94°F (2022)
    
- 
      2:  93°F (1951)
    
- 
      3:  92°F (2018)
    
 
  Record Lows
  
    - 
      1:  71°F (1957)
    
- 
      2:  72°F (1991)
    
- 
      3:  72°F (1965)
    
 
  Lowest Highs
  
    - 
      1:  85°F (1974)
    
- 
      2:  83°F (2019)
    
- 
      3:  83°F (2002)
    
 
  Highest Lows
  
    - 
      1:  80°F (1985)
    
- 
      2:  82°F (1965)
    
- 
      3:  84°F (1997)
    
 
  Highest September temperature:
  
  96°F on 09-02-2022.
  Lowest September temperature:
  
  66°F on 09-04-1953.
  Average temperature is 84.1°F
  Average high is 89.8°F
  Average low is 78.3°F
 
  Temperature data from 1950 to 2022.
  Record Precipitation
  
    - 
      1:  2.17" (2022)
    
- 
      2:  1.70" (1991)
    
- 
      3:  1.49" (1985)
    
 
  Precipitation data from 1950 to 2022.