


Climatological Report (Monthly)
Issued by NWS Louisville, KY
Issued by NWS Louisville, KY
037 CXUS53 KLMK 011350 CLMSDF CLIMATE REPORT NATIONAL WEATHER SERVICE LOUISVILLE KY 950 AM EDT WED OCT 01 2025 ................................... ...THE LOUISVILLE KY 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 104 09/06/1954 09/05/1954 LOW 33 09/30/1949 HIGHEST 92 09/15 MM MM 94 09/05 09/20 09/21 LOWEST 50 09/08 MM MM 50 09/08 AVG. MAXIMUM 84.0 82.2 1.8 84.6 AVG. MINIMUM 62.0 61.9 0.1 65.5 MEAN 73.0 72.0 1.0 75.1 DAYS MAX >= 90 5 6.0 -1.0 12 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 10.91 2018 MINIMUM 0.04 2019 TOTALS 4.17 3.66 0.51 6.71 DAILY AVG. 0.14 0.12 0.02 0.22 DAYS >= .01 8 7.9 0.1 9 DAYS >= .10 6 4.7 1.3 6 DAYS >= .50 3 2.2 0.8 4 DAYS >= 1.00 1 1.1 -0.1 4 GREATEST 24 HR. TOTAL 2.11 09/23 TO 09/24 SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 MM DAYS >= TRACE 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 MM DEGREE DAYS HEATING TOTAL 2 22 -20 3 SINCE 7/1 2 19 -17 MM COOLING TOTAL 247 233 14 313 SINCE 1/1 1829 1687 142 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.5 RESULTANT WIND SPEED/DIRECTION 0/300 HIGHEST WIND SPEED/DIRECTION 31/280 DATE 09/04 HIGHEST GUST SPEED/DIRECTION 46/270 DATE 09/04 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.45 NUMBER OF DAYS FAIR 11 NUMBER OF DAYS PC 15 NUMBER OF DAYS CLOUDY 3 AVERAGE RH (PERCENT) 64 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 6 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 6 LIGHT RAIN 11 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 8 FOG W/VIS <= 1/4 MILE 0 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$