Records for Boise Area, Idaho (BOIthr) on 09-29
  Record Highs
  
    - 
      1:  95°F (1992)
    
 
    - 
      2:  92°F (1989)
    
 
    - 
      3:  90°F (2016)
    
 
  
 
  Record Lows
  
    - 
      1:  27°F (1954)
    
 
    - 
      2:  30°F (1882)
    
 
    - 
      3:  32°F (1902)
    
 
  
 
  Lowest Highs
  
    - 
      1:  62°F (1890)
    
 
    - 
      2:  61°F (2016)
    
 
    - 
      3:  59°F (1989)
    
 
  
 
  Highest Lows
  
    - 
      1:  49°F (1971)
    
 
    - 
      2:  51°F (1927)
    
 
    - 
      3:  52°F (1940)
    
 
  
 
  Highest September temperature:
  
  104°F on 09-07-2022.
  Lowest September temperature:
  
  23°F on 09-14-1970.
  Average temperature is 61.1°F
  Average high is 74.1°F
  Average low is 48.2°F
 
  Temperature data from 1875 to 2022.
  Record Precipitation
  
    - 
      1:  0.59" (1927)
    
 
    - 
      2:  0.36" (2014)
    
 
    - 
      3:  0.28" (1940)
    
 
  
 
  Precipitation data from 1878 to 2022.