SeasonScore
Niagara Falls, Canada
Photo: Thomaswm · CC BY-SA 4.0

Canada

Niagara Falls in September

🍂 Autumn

Pleasant and some showers.

Best months: Sep (9.5), May (9.2), Oct (9.2)

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Why September scores 9.5What goes into the score

How it works
🌡️ 24° / 16°C🌧️ 64 mm💧 dew pt 14°🍃 PM2.5 11
  • Weather comfort9.6
    • ✓Comfortable temperatures (23.8°C highs / 16.2°C lows)
    • ✓Slightly humid (dew point 14°C)
    • ✓Mostly dry (~64 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
Score9.5 Excellent9.2 Excellent
Season🍂 Autumn🌷 Spring
High / low24° / 16°18° / 9°
Rain64 mm61 mm
Humiditydew pt 14°dew pt 9°
PM2.511 µg/m³11 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast).

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).

Explore Niagara FallsEvents, sights, food & souvenirs

Check event dates locally

A Canadian border city beside the Horseshoe Falls, the most powerful of the three Niagara waterfalls, also a base for the Niagara wine region.

Events in September
Niagara Grape and Wine FestivalDate variesUsually September

A harvest festival with a parade and winery events.

Why go: Weekend winery tours book up.

Where: St. Catharines and wineries across the region

Coming up later

Winter Festival of LightsDate variesUsually mid-November to early January

Light displays along the river and around the falls.

Why go: Best seen after dark; dress warmly.

Where: Niagara Parkway and Queen Victoria Park

Niagara Icewine FestivalDate variesUsually January weekends

Winter tastings and events celebrating icewine.

Why go: A reason to visit the wine country in winter.

Where: Niagara-on-the-Lake and regional wineries

Canada DayEvery year1 July every year

Canada's national day, with fireworks over the falls.

Why go: Very crowded along the parkway in the evening.

Where: Queen Victoria Park