Weather in Caledon in September
How warm is it in Caledon in September?
In September the typical daytime high in Caledon is 21.5 °C on average, from 24.2 °C at the start to 18.3 °C at the end of the month.
That is 4.3 °C cooler than in August and 7.0 °C warmer than in October.
The last 10 years were 1.4 °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.
Measured at the weather station Toronto, 53 km away.