SeasonScore
Toronto, Canada
Photo: Martin St-Amant · CC BY-SA 3.0

Canada

Toronto in September

🍂 Autumn

Pleasant and some showers.

Best months: Sep (9.2), May (9.1), Jul (9.1)

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Why September scores 9.2What goes into the score

How it works
🌡️ 21° / 10°C🌧️ 78 mm💧 dew pt 11°🍃 PM2.5 11
  • Weather comfort9.1
    • ✓Comfortable temperatures (21°C highs / 10°C lows)
    • ✓Comfortable humidity (dew point 11°C)
    • ✓Mostly dry (~78 mm rain)
  • Air quality9.1
    • ✓Good (within WHO guideline) (PM2.5 ~11 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.5
    • ·Normal precautions
Compare monthsPut September side by side with another month
SepMay
Score9.2 Excellent9.1 Excellent
Season🍂 Autumn🌷 Spring
High / low21° / 10°19° / 7°
Rain78 mm73 mm
Humiditydew pt 11°dew pt 8°
PM2.511 µg/m³13 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Toronto Pearson weather-station normals. Rainfall: Toronto Pearson Airport weather-station normals (national met service).

Holidays & crowdsSeptember 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Labor Day 4–6 Sep · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Toronto

  • Snowy daysTypical dates
    Snow likely Nov–Apr (most in Jan: ~13 days)

    Average number of days with snowfall at Toronto Pearson. About 31 cm of snow falls in an average Jan.

    Source: Toronto Pearson weather-station normals (national weather service, via Wikipedia climate table)

Explore TorontoEvents, sights, food & souvenirs

Check event dates locally

Canada's largest city on Lake Ontario, a highly multicultural place known for its neighbourhoods, museums, food scene and the CN Tower.

Events in September
Toronto International Film Festival (TIFF)Date variesUsually early to mid-September

One of the world's major film festivals.

Why go: Hotels are expensive and fill early during the festival.

Where: Downtown, King Street West

Canadian National Exhibition (CNE)Date variesUsually mid-August to Labour Day

A large annual fair with rides, food and an air show.

Why go: The air show on Labour Day weekend can be seen from the waterfront.

Where: Exhibition Place

Coming up later

Pride TorontoDate variesUsually June, parade on the last Sunday

One of North America's largest Pride festivals.

Why go: Downtown streets close for the parade.

Where: Church-Wellesley Village and downtown

Caribana (Toronto Caribbean Carnival)Date variesUsually late July to early August, parade on the long weekend

A large Caribbean carnival with a costumed parade.

Why go: The Grand Parade draws huge crowds on the August long weekend.

Where: Exhibition Place and Lake Shore Boulevard

Canada DayEvery year1 July every year

Canada's national day with fireworks and celebrations.

Why go: It is a public holiday.

Where: Across the city