275  
CDUS42 KCHS 120606  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
206 AM EDT SAT SEP 12 2026  
   
...............................  
 
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 11 2026...  
 
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)  
YESTERDAY  
MAXIMUM 87 1050 AM 98 1985 84 3 79  
MINIMUM 76 340 PM 59 1956 74 2 70  
AVERAGE 82 79 3 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 4.53 2017 0.19 -0.16 0.00  
MONTH TO DATE 0.06 2.08 -2.02 0.94  
SINCE SEP 1 0.06 2.08 -2.02 0.94  
SINCE JAN 1 18.21 31.81 -13.60 34.83  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 17 14 3 10  
MONTH TO DATE 194 158 36 124  
SINCE SEP 1 194 158 36 124  
SINCE JAN 1 2358 2019 339 2219    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.1  
   
......................................................  
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 1920  
MINIMUM TEMPERATURE (F) 74 58 1917  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2026.....SUNRISE 701 AM EDT SUNSET 730 PM EDT  
SEPTEMBER 13 2026.....SUNRISE 702 AM EDT SUNSET 728 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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