647
CDUS42 KCHS 172112
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
512 PM EDT THU SEP 17 2026
...............................
...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 17 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 85 110 PM 94 1896 83 2 84
MINIMUM 73 620 AM 60 1961 72 1 68
1984
2011
AVERAGE 79 78 1 76
PRECIPITATION (IN)
TODAY 0.00 4.71 1945 0.16 -0.16 0.00
MONTH TO DATE 0.18 3.10 -2.92 0.94
SINCE SEP 1 0.18 3.10 -2.92 0.94
SINCE JAN 1 18.33 32.83 -14.50 34.83
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 14 12 2 11
MONTH TO DATE 295 235 60 183
SINCE SEP 1 295 235 60 183
SINCE JAN 1 2459 2096 363 2278
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 9.5
......................................................
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 1931
MINIMUM TEMPERATURE (F) 72 60 1910
1984
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 705 AM EDT SUNSET 723 PM EDT
SEPTEMBER 18 2026.....SUNRISE 705 AM EDT SUNSET 722 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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