Toronto · September
Run in the morning.
Comfortable average high of 72°F, dipping to 58°F at night. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
72° / 58°F
Humidity
74%
Rain days
12/mo
Wind
12 mph
What September feels like in Toronto
Sunrise
06:57
Mid-month average
Sunset
19:27
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Toronto in September
The kit for September in Toronto: shorts and a short-sleeve are the standard kit.
September vs the surrounding months
vs August
-6° avg high
-2 rain days
Toronto in August →
September
72°F avg high
12 rain days
Best: morning
vs October
+13° avg high
-3 rain days
Toronto in October →
Frequently Asked Questions
What is the best time of day to run in Toronto in September?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in Toronto in September?+
Average high 72°F, average low 58°F.
How does September compare to surrounding months in Toronto?+
Compared to August (avg high 78°F), September is cooler. Compared to October (avg high 59°F), September is warmer.
Does it rain often in Toronto in September?+
Expect about 12 measurable rain days in September, on average.