Records for Tri-Cities Area, Washington (PSCthr) on 09-13
  Record Highs
  
    - 
      1:  96°F (2013)
    
 
    - 
      2:  95°F (1943)
    
 
    - 
      3:  95°F (1922)
    
 
  
 
  Record Lows
  
    - 
      1:  28°F (1921)
    
 
    - 
      2:  37°F (2012)
    
 
    - 
      3:  38°F (2014)
    
 
  
 
  Lowest Highs
  
    - 
      1:  69°F (1918)
    
 
    - 
      2:  64°F (1960)
    
 
    - 
      3:  63°F (1963)
    
 
  
 
  Highest Lows
  
    - 
      1:  61°F (1970)
    
 
    - 
      2:  61°F (1927)
    
 
    - 
      3:  62°F (1906)
    
 
  
 
  Highest September temperature:
  
  102°F on 09-01-2022.
  Lowest September temperature:
  
  21°F on 09-24-1926.
  Average temperature is 65.3°F
  Average high is 82.1°F
  Average low is 48.4°F
 
  Temperature data from 1894 to 2022.
  Record Precipitation
  
    - 
      1:  0.81" (1980)
    
 
    - 
      2:  0.18" (1895)
    
 
    - 
      3:  0.12" (2004)
    
 
  
 
  Precipitation data from 1894 to 2022.