


Climatological Report (Monthly)
Issued by NWS Central Illinois
Issued by NWS Central Illinois
938 CXUS53 KILX 011623 CLMSPI CLIMATE REPORT NATIONAL WEATHER SERVICE LINCOLN IL 1123 AM CDT WED OCT 01 2025 ................................... ...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1879 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 102 09/01/2011 LOW 31 09/30/1899 09/29/1899 HIGHEST 98 09/14 79 19 93 LOWEST 39 09/07 57 -18 40 AVG. MAXIMUM 84.2 80.2 4.0 81.5 AVG. MINIMUM 54.2 55.8 -1.6 55.6 MEAN 69.2 68.0 1.2 68.6 DAYS MAX >= 90 8 3.8 4.2 4 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.1 -0.1 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 15.16 1926 MINIMUM T 1979 TOTALS 0.56 2.88 -2.32 1.66 DAILY AVG. 0.02 0.10 -0.08 0.06 DAYS >= .01 4 7.3 -3.3 9 DAYS >= .10 2 4.7 -2.7 4 DAYS >= .50 0 1.7 -1.7 1 DAYS >= 1.00 0 0.8 -0.8 0 GREATEST 24 HR. TOTAL 0.42 09/20 TO 09/20 0.68 SNOWFALL (INCHES) RECORDS TOTAL T 1942 TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 MM DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 24 HR TOTAL MM 0.0 DEGREE DAYS HEATING TOTAL 33 61 -28 21 SINCE 7/1 46 64 -18 MM COOLING TOTAL 168 151 17 136 SINCE 1/1 1235 1220 15 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 4.3 HIGHEST WIND SPEED/DIRECTION 26/230 DATE 09/21 HIGHEST GUST SPEED/DIRECTION 43/210 DATE 09/21 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.13 NUMBER OF DAYS FAIR 25 NUMBER OF DAYS PC 4 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 4 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 1 LIGHT RAIN 5 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. && DAILY RECORDS: RECORD LOW TEMPERATURE OF 39 DEGREES WAS SET ON SEPTEMBER 7TH. MONTHLY TOP-10 RANKINGS: THIS RANKS 7TH DRIEST SEPTEMBER ON RECORD. THIS RANKS 10TH WARMEST AVERAGE MAX TEMPERATURE FOR SEPTEMBER ON RECORD. $$