963  
CDUS46 KSGX 180018  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
518 PM PDT WED SEP 17 2025  
   
...............................
 
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR SEPTEMBER 17 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 10:44 AM 100 2020 81 5 72  
MINIMUM 69 3:58 PM 55 2024 64 5 55  
AVERAGE 78 72 6 64  
 
PRECIPITATION (IN)  
TODAY 0.02R T 2023 0.01 0.01 0.00  
MONTH TO DATE 0.02 0.08 -0.06 0.00  
SINCE JUL 1 0.09 0.16 -0.07 0.01  
SINCE OCT 1 5.38 10.93 -5.55 12.61  
SINCE JAN 1 5.26 7.87 -2.61 11.46  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 1  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 0 0 0 1  
SINCE JUL 1 0 1 -1 1  
 
COOLING  
TODAY 13 8 5 0  
MONTH TO DATE 156 143 13 182  
SINCE SEP 1 156 143 13 182  
SINCE JAN 1 736 789 -53 804    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 3:00 PM  
LOWEST 41 10:00 AM  
AVERAGE 64  
   
......................................................
 
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 101 2020  
MINIMUM TEMPERATURE (F) 64 57 2010  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2025.....SUNRISE 6:34 AM PDT SUNSET 6:51 PM PDT  
SEPTEMBER 18 2025.....SUNRISE 6:34 AM PDT SUNSET 6:50 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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