Records for San Antonio Area, Texas (SATthr) on 09-12
  Record Highs
  
    - 
      1:  103°F (1893)
    
- 
      2:  101°F (2011)
    
- 
      3:  100°F (1912)
    
 
  Record Lows
  
    - 
      1:  56°F (1968)
    
- 
      2:  57°F (1959)
    
- 
      3:  59°F (2017)
    
 
  Lowest Highs
  
    - 
      1:  78°F (1982)
    
- 
      2:  78°F (1980)
    
- 
      3:  78°F (1949)
    
 
  Highest Lows
  
    - 
      1:  77°F (1902)
    
- 
      2:  78°F (1998)
    
- 
      3:  79°F (1974)
    
 
  Highest September temperature:
  
  111°F on 09-05-2000.
  Lowest September temperature:
  
  41°F on 09-27-1942.
  Average temperature is 80.1°F
  Average high is 90.3°F
  Average low is 69.9°F
 
  Temperature data from 1885 to 2022.
  Record Precipitation
  
    - 
      1:  1.56" (1924)
    
- 
      2:  1.33" (1990)
    
- 
      3:  1.26" (1974)
    
 
  Precipitation data from 1885 to 2022.