636
CXUS52 KILM 011125
CLMCRE
CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
725 AM EDT THU OCT 01 2026
...............................
...THE N.MYRTLE BEACH SOUTH CAROLINA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1931 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 99 09/04/1944
LOW 45 09/30/1967
HIGHEST 94 09/14 MM MM 87 09/21
LOWEST 52 09/26 MM MM 57 09/17
09/28
AVG. MAXIMUM 84.7 83.2 1.5 81.6
AVG. MINIMUM 67.9 67.7 0.2 65.7
MEAN 76.3 75.5 0.8 73.7
DAYS MAX >= 90 4 2.0 2.0 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 23.16 1999
MINIMUM 0.87 2012
TOTALS 2.51 6.65 -4.14 1.35
DAILY AVG. 0.08 0.22 -0.14
DAYS >= .01 7 10.9 -3.9
DAYS >= .10 5 6.0 -1.0
DAYS >= .50 3 3.3 -0.3
DAYS >= 1.00 0 1.6 -1.6
GREATEST
24 HR. TOTAL 1.37 09/05 TO 09/06
DEGREE DAYS
HEATING TOTAL 0 3 -3 0
SINCE 7/1 0 0 0
COOLING TOTAL 347 317 30 268
SINCE 1/1 2140 1877 263
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST 01/01
LATEST 03/29
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WIND (MPH)
AVERAGE WIND SPEED 6.7
RESULTANT WIND SPEED/DIRECTION 1/080
HIGHEST WIND SPEED/DIRECTION 29/050 DATE 09/06
HIGHEST GUST SPEED/DIRECTION 40/010 DATE 09/05
SKY COVER
AVERAGE SKY COVER 0.21
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP MM
HEAVY RAIN 5 RAIN 5
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL MM
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET MM
FOG 11 FOG W/VIS <= 1/4 MILE 1
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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