Records for Marathon Area, Florida (MTHthr) on 09-15
  Record Highs
  
    - 
      1:  94°F (2022)
    
- 
      2:  93°F (1999)
    
- 
      3:  93°F (1983)
    
 
  Record Lows
  
    - 
      1:  68°F (1954)
    
- 
      2:  71°F (1966)
    
- 
      3:  71°F (1956)
    
 
  Lowest Highs
  
    - 
      1:  84°F (2002)
    
- 
      2:  83°F (2004)
    
- 
      3:  83°F (1987)
    
 
  Highest Lows
  
    - 
      1:  82°F (1969)
    
- 
      2:  83°F (1998)
    
- 
      3:  84°F (1994)
    
 
  Highest September temperature:
  
  96°F on 09-02-2022.
  Lowest September temperature:
  
  66°F on 09-04-1953.
  Average temperature is 84.2°F
  Average high is 90°F
  Average low is 78.4°F
 
  Temperature data from 1950 to 2022.
  Record Precipitation
  
    - 
      1:  2.24" (1966)
    
- 
      2:  1.60" (1994)
    
- 
      3:  1.32" (1997)
    
 
  Precipitation data from 1950 to 2022.