Hartford Weather In September
The hottest September day in Hartford for the past 56 years was 99 degrees Fahrenheit, most recently encountered on September 11, 1983, and the normal high is 74. The lowest reported temperature in September for Hartford for the past 56 years was 30 registered on September 30, 2000, while the average low temperature is 52.
US National Weather Service historical Hartford September Weather data records that on September 26, 2000, the high temperature did not exceed 51 degrees Fahrenheit, the lowest high measured in Hartford in the past 56 years. Weather Service records additionally indicate that on September 1, 1959, the low for the day was not measured below 73 degrees, the highest low temperature recorded in Hartford in the last 56 years.
NWS data indicates that the daily high temperature in Hartford on September First averages 80 degrees Fahrenheit and the high on the last day of September averages 69 degrees. The daily low temperature in Hartford on September First averages 57 degrees Fahrenheit and the low on the last day of September averages 46 degrees.
Hartford usually receives an average of 4.13 inches of precipitation during September. September Hartford Weather records show that on September 30, 1999 Hartford received 5.72 inches of rain, the most rain measured in a single day in September.