Weather in Louisville in September
How warm is it in Louisville in September?
In September the typical daytime high in Louisville is 27.0 °C on average, from 29.1 °C at the start to 24.4 °C at the end of the month.
That is 2.7 °C cooler than in August and 6.6 °C warmer than in October.
The last 10 years were 1.2 °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 Columbus (102 km) and Lexington Bluegrass Ap (103 km); nearer ones count more.