Climatological Report (Monthly)
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
238
CXUS52 KJAX 011313
CLMJAX
CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
913 AM EDT THU OCT 01 2026
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...THE JACKSONVILLE CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 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 09/03/1912
LOW 48 09/20/1981
HIGHEST 94 09/14 93 1 93 09/24
09/25
09/26
LOWEST 55 09/26 60 -5 60 09/15
AVG. MAXIMUM 88.0 87.2 0.8 88.0
AVG. MINIMUM 71.1 70.5 0.6 68.1
MEAN 79.6 78.8 0.8 78.1
DAYS MAX >= 90 12 9.0 3.0 11
DAYS MIN <= 32 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 21.79 1908
MINIMUM 0.07 1931
TOTALS 4.29 7.56 -3.27 2.74
DAILY AVG. 0.14 0.25 -0.11 0.09
DAYS >= .01 15 12.4 2.6 9
DAYS >= .10 8 8.4 -0.4 8
DAYS >= .50 3 4.3 -1.3 2
DAYS >= 1.00 1 2.3 -1.3 0
GREATEST
24 HR. TOTAL 1.05 09/15 TO 09/15
SNOWFALL (INCHES)
RECORDS
TOTAL T 1907
TOTALS 0.0 0.0 0.0 0.0
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 445 416 29 399
SINCE 1/1 2865 2499 366 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.6
HIGHEST WIND SPEED/DIRECTION 32/270 DATE 09/12
HIGHEST GUST SPEED/DIRECTION 44/270 DATE 09/12
SKY COVER
AVERAGE SKY COVER 0.62
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 9 RAIN 11
LIGHT RAIN 20 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 15 FOG W/VIS <= 1/4 MILE 0
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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