Knoxville · United States
Weather in Knoxville in September
In September the typical daytime high in Knoxville is 27.3 °C on average, from 29.2 °C at the start to 25.1 °C at the end of the month.
The last 10 years were 2.0 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Murphy (99 km) and Lexington Bluegrass Ap (239 km); nearer ones count more.