CXUS52 KJAX 011313 CLMJAX CLIMATE REPORT NATIONAL WEATHER SERVICE JACKSONVILLE FL 913 AM EDT THU OCT 01 2026 ................................... ...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 ................................................................ 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 ................................................................ 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. $$