Weather in Saint-Jérôme in September
How warm is it in Saint-Jérôme in September?
In September the typical daytime high in Saint-Jérôme is 20.8 °C on average, from 23.3 °C at the start to 18.0 °C at the end of the month.
That is 4.2 °C cooler than in August and 6.8 °C warmer than in October.
The last 10 years were 1.8 °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 Richmond (146 km) and Woodstock (267 km); nearer ones count more.