049
CXUS52 KCHS 010616
CLMCXM

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
212 AM EDT THU OCT 01 2026

...................................

...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            100   09/05/1944
                       09/04/1944
                       09/02/1912
 LOW              50   09/30/1967
                       09/29/1942
HIGHEST           91   09/14         MM      MM       87  09/07
                       09/18
                                                          09/26
LOWEST            62   09/25         MM      MM       67  09/14
                       09/26
                                                          09/15
                                                          09/16
AVG. MAXIMUM    84.6               82.6     2.0     81.8
AVG. MINIMUM    74.5               72.5     2.0     71.2
MEAN            79.6               77.6     2.0     76.5
DAYS MAX >= 90     4                1.7     2.3        0
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       16.24   1945
 MINIMUM        0.40   1901
TOTALS          0.22R              5.25   -5.03     1.04
DAYS >= .01        5                8.6    -3.6        3
DAYS >= .10        1                5.8    -4.8        1
DAYS >= .50        0                2.8    -2.8        1
DAYS >= 1.00       0                1.4    -1.4        0
GREATEST
 24 HR. TOTAL   0.12   09/12 TO 09/12

DEGREE DAYS
HEATING TOTAL      0                  1      -1        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    442                377      65      354
 SINCE 1/1      2606               2238     368       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
HIGHEST WIND SPEED/DIRECTION    25/050
                                25/050
HIGHEST GUST SPEED/DIRECTION    32/060



-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

RECORDS ESTABLISHED IN DOWNTOWN CHARLESTON DURING THE MONTH:

*DRIEST SEPTEMBER ON RECORD
*SEP 4 - RECORD HIGH MINIMUM TEMPERATURE OF 82 DEGREES
*SEP 5 - RECORD HIGH MINIMUM TEMPERATURE OF 80 DEGREES
*SEP 10 - RECORD HIGH MINIMUM TEMPERATURE OF 81 DEGREES
*SEP 14 - RECORD HIGH MINIMUM TEMPERATURE OF 81 DEGREES
*SEP 15 - RECORD HIGH MINIMUM TEMPERATURE OF 80 DEGREES

$$