474  
CDUS46 KSGX 210025  
CLISDM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
525 PM PDT SAT SEP 20 2025  
   
...............................
 
 
   
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR SEPTEMBER 20 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 81 12:24 PM 99 2015 79 2 74  
MINIMUM 64 12:41 AM 50 1999 60 4 58  
AVERAGE 73 70 3 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.73 2016 0.00 0.00 0.10  
MONTH TO DATE 0.31 0.10 0.21 0.10  
SINCE JUL 1 0.47 0.15 0.32 0.10  
SINCE OCT 1 4.57 10.15 -5.58 13.09  
SINCE JAN 1 4.47 7.06 -2.59 11.09  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 2 -2 0  
 
COOLING  
TODAY 8 5 3 1  
MONTH TO DATE 161 123 38 188  
SINCE SEP 1 161 123 38 188  
SINCE JAN 1 672 590 82 749    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 62 12:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 2021  
MINIMUM TEMPERATURE (F) 60 50 2007  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2025.....SUNRISE 6:35 AM PDT SUNSET 6:47 PM PDT  
SEPTEMBER 21 2025.....SUNRISE 6:36 AM PDT SUNSET 6:45 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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