Records for San Antonio Area, Texas (SATthr) on 09-13
  Record Highs
  
    - 
      1:  100°F (2011)
    
- 
      2:  100°F (2008)
    
- 
      3:  100°F (1912)
    
 
  Record Lows
  
    - 
      1:  55°F (1892)
    
- 
      2:  57°F (1902)
    
- 
      3:  58°F (1945)
    
 
  Lowest Highs
  
    - 
      1:  79°F (1993)
    
- 
      2:  78°F (2008)
    
- 
      3:  78°F (1901)
    
 
  Highest Lows
  
    - 
      1:  70°F (2014)
    
- 
      2:  72°F (1913)
    
- 
      3:  73°F (1968)
    
 
  Highest September temperature:
  
  111°F on 09-05-2000.
  Lowest September temperature:
  
  41°F on 09-27-1942.
  Average temperature is 79.8°F
  Average high is 90.1°F
  Average low is 69.6°F
 
  Temperature data from 1885 to 2022.
  Record Precipitation
  
    - 
      1:  5.13" (1978)
    
- 
      2:  2.66" (1904)
    
- 
      3:  2.52" (1951)
    
 
  Precipitation data from 1885 to 2022.