Rockford Weather In September
In the last 60 years the highest measured September temperature in Rockford was 102 degrees Fahrenheit, most recently encountered on September 3, 1953, while the mean high temperature is 74. The lowest documented temperature for Rockford for the past 60 years in September was 27 most recently encountered on September 16, 1984, while the typical low recorded temperature is 52.
US National Weather Service Rockford September Weather data records that on September 22, 1995, the high temperature did not exceed 47 degrees Fahrenheit, the lowest high measured in Rockford in the past 60 years. Weather Service data also shows that on September 5, 1985, the lowest recorded temperature for the day did not drop below 73 degrees, the highest low measured temperature in Rockford in the last 60 years.
According to the National Weather Service, the high temperature in Rockford in September on the first day of the month averages 80 degrees and the high on the last day of the month averages 71 degrees. The average recorded low temperature in Rockford on September First is 58 degrees Fahrenheit and the average low on the last day of September is 46 degrees.
Rockford usually receives an average of 3.47 inches of precipitation during September. September Rockford Weather records indicated that on September 13, 1961 Rockford received 5.56 inches of precipitation, the most rain recorded in a single day in September.