363  
CDCA42 TJSJ 192007  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
407 PM AST FRI SEP 19 2025  
   
...............................  
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 19 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 91 1:20 PM 95 2013 89 2 90  
MINIMUM 77 1:49 AM 71 1950 77 0 82  
AVERAGE 84 83 1 86  
 
PRECIPITATION (IN)  
TODAY T 1.92 2014 0.21 -0.21 0.03  
MONTH TO DATE 3.59 4.33 -0.74 2.50  
SINCE SEP 1 3.59 4.33 -0.74 2.50  
SINCE JAN 1 47.21 40.27 6.94 52.71  
 
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 0 0 0  
 
COOLING  
TODAY 19 18 1 21  
MONTH TO DATE 363 342 21 404  
SINCE SEP 1 363 342 21 404  
SINCE JAN 1 4408 4153 255 4855    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 59  
AVERAGE 74  
   
......................................................  
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1981  
MINIMUM TEMPERATURE (F) 77 72 1920  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2025.....SUNRISE 6:12 AM AST SUNSET 6:23 PM AST  
SEPTEMBER 20 2025.....SUNRISE 6:13 AM AST SUNSET 6:22 PM AST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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