Records for Yakima Area, Washington (YKMthr) on 09-21
  Record Highs
  
    - 
      1:  89°F (2014)
    
- 
      2:  89°F (2012)
    
- 
      3:  89°F (1967)
    
 
  Record Lows
  
    - 
      1:  31°F (1971)
    
- 
      2:  32°F (1993)
    
- 
      3:  33°F (2005)
    
 
  Lowest Highs
  
    - 
      1:  56°F (1976)
    
- 
      2:  52°F (1967)
    
- 
      3:  51°F (2015)
    
 
  Highest Lows
  
    - 
      1:  60°F (2000)
    
- 
      2:  65°F (2017)
    
- 
      3:  65°F (2006)
    
 
  Highest September temperature:
  
  100°F on 09-01-1949.
  Lowest September temperature:
  
  24°F on 09-29-1985.
  Average temperature is 60.4°F
  Average high is 77.5°F
  Average low is 43.4°F
 
  Temperature data from 1946 to 2022.
  Record Precipitation
  
    - 
      1:  0.12" (1977)
    
- 
      2:  0.04" (1972)
    
- 
      3:  0.03" (2017)
    
 
  Precipitation data from 1946 to 2022.