Toronto
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Toronto Weather in September

September in Toronto sees daytime temperatures around 21°C (70°F) and lows of 13°C (55°F) at night. The excellent weather makes it a good time to visit.

Rainfall in Toronto in September

You can typically expect 10 days of rain this month, averaging around 57 mm (2.2 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Toronto in September

September tends to be one of the excellent months in Toronto, with 21°C (70°F) in the afternoon and 13°C (55°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

Toronto Temperature in September

Min Temperature
13°C (55°F)
Max Temperature
21°C (70°F)
Chance of Rain
33%
Precipitation
57 mm (2.2 in)
Rainy days
10 days
Humidity
51% *
* Data from: Maitland, Australia (30 KM, 18 Miles).

Toronto Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Toronto - and find the best time to visit.

Best Places in Australia in September

Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Toronto in September

For Toronto in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.

What To Do in Toronto in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    8/10
  • Outdoor sports
    10/10

Toronto 3-Day Forecast

More climate data for Toronto

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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