Weather By Day

September Indianapolis Weather 
September Indianapolis Weather
Record High: 100°F
Normal High: 77°F
Normal Low: 55°F
Record Low: 32°F
Avg Monthly Rain: 2.88"
Rec 1 Day Rain: 7.2"

Indianapolis Weather In September

The hottest day in Indianapolis Indiana in September for the past 71 years was 100 degrees Fahrenheit, measured on September 6, 1954, and the typical high is 77. In the last 71 years the highest reported temperature in Indianapolis for September was 32 most recently encountered on September 30, 1993, and the standard low recorded daily temperature is 55.

United States NWS historical Indianapolis September Weather data records that on September 27, 1984, the high temperature did not exceed 53 degrees Fahrenheit, the lowest high measured in Indianapolis in the past 71 years. NWS data also shows that on September 8, 2007, the lowest measured temperature on that day did not drop below 73 degrees, the highest low temperature measured in Indianapolis in the last 71 years.

NWS data indicates that the daily high temperature in Indianapolis on September First averages 82 degrees Fahrenheit and the high on the last day of September averages 73 degrees. The low measured temperature in Indianapolis on September First averages 61 degrees and the low on the last day of the month averages 49 degrees.

Indianapolis usually receives an average of 2.88 inches of precipitation during the month. The most precipitation recorded on a single day in September, according to September Indianapolis Weather data, was 7.2 inches on September 26, 2003.