020
CXUS52 KCHS 010614
CLMCHS
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
212 AM EDT THU OCT 01 2026
...............................
...THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 99 09/05/1944
09/04/1944
LOW 42 09/30/1967
09/28/2024
HIGHEST 95 09/05 MM MM 92 09/25
09/14
LOWEST 51 09/27 MM MM 60 09/15
AVG. MAXIMUM 88.1 85.4 2.7 85.1
AVG. MINIMUM 68.8 68.3 0.5 66.7
MEAN 78.5 76.9 1.6 75.9
DAYS MAX >= 90 14 6.0 8.0 7
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 17.31 1945
MINIMUM 0.18 1990
TOTALS 3.54 6.01 -2.47 0.98
DAYS >= .01 6 10.2 -4.2 3
DAYS >= .10 3 6.8 -3.8 1
DAYS >= .50 2 3.5 -1.5 1
DAYS >= 1.00 2 1.9 0.1 0
GREATEST
24 HR. TOTAL 1.81 09/11
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0
SINCE 7/1 T 0.0 0.0
DEGREE DAYS
HEATING TOTAL 0 2 -2 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 412 357 55 337
SINCE 1/1 2663 2250 413 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.1
HIGHEST WIND SPEED/DIRECTION 28/190
HIGHEST GUST SPEED/DIRECTION 37/040
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 3
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
RECORDS ESTABLISHED AT THE CHARLESTON INTERNATIONAL AIRPORT DURING
THE MONTH:
*SEP 13 - RECORD HIGH TEMPERATURE OF 93 DEGREES
*SEP 14 - RECORD HIGH TEMPERATURE OF 95 DEGREES
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page