413  
CDUS42 KCHS 302112  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
512 PM EDT WED SEP 30 2026  
   
...............................  
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 30 2026...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1870 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 81 1150 AM 94 1904 80 1 76  
MINIMUM 74 510 AM 50 1967 69 5 71  
AVERAGE 78 74 4 74  
 
PRECIPITATION (IN)  
TODAY 0.00 3.96 2022 0.16 -0.16 0.00  
MONTH TO DATE 0.22 5.25 -5.03 1.04  
SINCE SEP 1 0.22 5.25 -5.03 1.04  
SINCE JAN 1 18.37 34.98 -16.61 34.93  
 
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 13 10 3 9  
MONTH TO DATE 442 377 65 354  
SINCE SEP 1 442 377 65 354  
SINCE JAN 1 2606 2238 368 2449    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 6.7  
   
......................................................  
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 90 1959  
MINIMUM TEMPERATURE (F) 69 48 1920  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2026.....SUNRISE 713 AM EDT SUNSET 706 PM EDT  
OCTOBER 1 2026.......SUNRISE 714 AM EDT SUNSET 704 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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