MONTHLY CLIMATOLOGICAL SUMMARY for SEP. 2025 NAME: Sumner Illinois Weather CITY: Sumner STATE: IL ELEV: 449 ft LAT: 38° 43' 02" N LONG: 87° 51' 39" W TEMPERATURE (°F), RAIN (in), WIND SPEED (mph) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 68.9 87.7 3:00p 55.8 3:00a 3.0 6.9 0.00 2.3 15.0 1:30p N 2 69.5 87.4 5:00p 55.1 5:00a 3.5 7.9 0.00 1.7 14.0 2:30p N 3 69.8 86.2 4:00p 52.6 6:30a 3.6 8.4 0.06 2.3 20.0 10:30p N 4 64.9 77.0 5:30p 54.6 12:00m 2.9 2.8 0.03 3.6 16.0 2:30p N 5 65.1 76.2 3:00p 54.1 1:30a 2.8 2.9 0.00 3.8 18.0 11:30a N 6 64.0 76.0 5:30p 52.1 12:00m 3.8 2.7 0.00 2.9 18.0 10:30a N 7 60.9 76.3 4:30p 49.2 12:00m 6.7 2.5 0.00 2.9 19.0 1:30p N 8 61.8 82.1 4:30p 45.0 7:30a 7.8 4.6 0.00 2.0 14.0 11:30a N 9 65.2 86.9 5:00p 45.9 7:00a 6.4 6.6 0.00 2.3 18.0 4:00p N 10 72.7 89.9 6:00p 58.1 2:30a 1.3 9.0 0.00 1.6 10.0 1:00p N 11 74.9 93.7 4:30p 60.3 7:00a 0.9 10.8 0.00 2.3 14.0 6:00p N 12 74.5 93.7 5:00p 58.8 7:00a 1.1 10.6 0.00 1.8 13.0 1:30p N 13 77.2 94.1 3:30p 61.4 3:30a 0.6 12.8 0.00 3.4 17.0 4:00p N 14 81.2 100.1 4:00p 67.1 7:00a 0.0 15.9 0.00 3.4 16.0 5:30p N 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ------------------------------------------------------------------------------------- 69.3 100.1 14 45.0 8 44.4 104.4 0.09 2.6 20.0 3 N Max >= 90.0: 4 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 0.06 ON 09/03/25 Days of Rain: 2 (>.01 in) 0 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration