Records for San Juan Area, Puerto Rico (SJUthr) on 09-04
  Record Highs
  
    - 
      1:  94°F (2021)
    
- 
      2:  94°F (1974)
    
- 
      3:  93°F (2008)
    
 
  Record Lows
  
    - 
      1:  70°F (1959)
    
- 
      2:  70°F (1956)
    
- 
      3:  71°F (1962)
    
 
  Lowest Highs
  
    - 
      1:  83°F (2016)
    
- 
      2:  82°F (2021)
    
- 
      3:  81°F (2010)
    
 
  Highest Lows
  
    - 
      1:  80°F (1979)
    
- 
      2:  82°F (1973)
    
- 
      3:  83°F (1904)
    
 
  Highest September temperature:
  
  97°F on 09-01-1981.
  Lowest September temperature:
  
  69°F on 09-06-1960.
  Average temperature is 82.2°F
  Average high is 88.7°F
  Average low is 75.7°F
 
  Temperature data from 1898 to 2022.
  Record Precipitation
  
    - 
      1:  1.79" (1954)
    
- 
      2:  1.13" (1919)
    
- 
      3:  0.93" (1939)
    
 
  Precipitation data from 1898 to 2022.