Weather in Niagara Falls in September
Niagara Falls, Canada averages a high of 21.7°C (71.1°F) and low of 14.9°C (58.8°F) in September, with 10 rain days and 9.6 hours of daily sunshine. Travel score: 78.6/100 (Good). The best time to visit Niagara Falls is August.
High
22°C71°F
Low
15°C59°F
🌧️
10
rain days
☀️
9.6
hrs/day sunshine
💧
74%
humidity
79— Good
September in Niagara Falls is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Niagara Falls?
How much does it rain in Niagara Falls in September?
Niagara Falls receives an average of 81.9mm of rainfall across 10 rainy days in September. The annual total is 994.2mm.
What should I pack for Niagara Falls in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 22°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (10 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to Canada in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31