Weather in Madison in September
How warm is it in Madison in September?
In September the typical daytime high in Madison is 24.4 °C on average, from 26.7 °C at the start to 21.4 °C at the end of the month.
That is 3.4 °C cooler than in August and 7.4 °C warmer than in October.
The last 10 years were 2.2 °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 Green Bay (189 km), Rock Is L&D (198 km) and Cedar Rapids (212 km); nearer ones count more.