Toronto Weather in September
In September, Toronto averages a high of 22°C (71°F) and a low of 14°C (57°F), based on 54 years of historical weather data from TORONTO CITY CENTRE.
22°C
Average high
71°F
14°C
Average low
57°F
34°C
Record high
93°F · 1983
2°C
Record low
36°F · 1993
What to Expect in Toronto in September
Typical September days in Toronto reach 22°C (71°F) during the afternoon and cool to around 14°C (57°F) overnight. On average, measurable rain falls on about 34% of days this month. Over the past 54 years, September temperatures in Toronto have ranged from a record high of 34°C (1983) down to a record low of 2°C (1993).
For a day-by-day look or other months, see the full Toronto weather history.