Weather in Richmond Hill in September
Richmond Hill, Canada averages a high of 21.2°C (70.2°F) and low of 12.8°C (55°F) in September, with 9 rain days and 9.7 hours of daily sunshine. Travel score: 79.4/100 (Good). The best time to visit Richmond Hill is August.
High
21°C70°F
Low
13°C55°F
🌧️
9
rain days
☀️
9.7
hrs/day sunshine
💧
74%
humidity
79— Good
September in Richmond Hill is mild and occasionally wet — good for most activities.
What are the average temperatures in Richmond Hill?
How much does it rain in Richmond Hill in September?
Richmond Hill receives an average of 69.3mm of rainfall across 9 rainy days in September. The annual total is 803.7mm.
What should I pack for Richmond Hill 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 (9 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