Grundy County had warm and dry conditions in September. The Grundy County Emergency Management Agency said the average monthly temperature in September was 70 degrees.
The highest daily temperature was 92 degrees on September 19th and the coolest day of 49 degrees came on September 23rd. Grundy County had three days when the temperature was above 90 degrees.
Meanwhile, Grundy County had only five days of rainfall in September. The total liquid precipitation for the month was 1.9 inches. The total liquid precipitation for the year is 25 inches.