Climatological Report (Monthly)
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
078
CXUS52 KCHS 011839
CLMSAV
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
227 PM EDT WED OCT 01 2025
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...THE SAVANNAH GA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 102 09/04/1925
LOW 43 09/30/1967
HIGHEST 93 09/24 MM MM 92 09/22
09/25
09/23
LOWEST 59 09/15 MM MM 62 09/17
AVG. MAXIMUM 86.2 86.4 -0.2 85.7
AVG. MINIMUM 66.7 69.0 -2.3 70.7
MEAN 76.5 77.7 -1.2 78.2
DAYS MAX >= 90 9 9.6 -0.6 6
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 22.88 1924
MINIMUM 0.35 1991
TOTALS 0.68 4.35 -3.67 6.49
DAYS >= .01 3 9.9 -6.9 11
DAYS >= .10 1 6.5 -5.5 5
DAYS >= .50 1 2.7 -1.7 4
DAYS >= 1.00 0 1.3 -1.3 2
GREATEST
24 HR. TOTAL 0.65 09/26 TO 09/27
DEGREE DAYS
HEATING TOTAL 0 1 -1 0
SINCE 7/1 0 0 0
COOLING TOTAL 354 382 -28 403
SINCE 1/1 2554 2384 170
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WIND (MPH)
AVERAGE WIND SPEED 6.4
HIGHEST WIND SPEED/DIRECTION 23/090
HIGHEST GUST SPEED/DIRECTION 32/100
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 0
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 14 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.
&&
RECORDS ESTABLISHED AT THE SAVANNAH INTERNATIONAL AIRPORT DURING THE
MONTH:
*SEP 25 - RECORD HIGH MINIMUM TEMPERATURE OF 75 DEGREES
$$