Weather in Niagara-on-the-Lake in September
Niagara-on-the-Lake, Canada averages a high of 21.4°C (70.5°F) and low of 16.8°C (62.2°F) in September, with 10 rain days and 9.7 hours of daily sunshine. Travel score: 79.9/100 (Good). The best time to visit Niagara-on-the-Lake is August.
High
21°C71°F
Low
17°C62°F
🌧️
10
rain days
☀️
9.7
hrs/day sunshine
💧
72%
humidity
80— Good
September in Niagara-on-the-Lake is mild and occasionally wet — good for most activities.
What are the average temperatures in Niagara-on-the-Lake?
How much does it rain in Niagara-on-the-Lake in September?
Niagara-on-the-Lake receives an average of 83.6mm of rainfall across 10 rainy days in September. The annual total is 957mm.
What should I pack for Niagara-on-the-Lake in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°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