Weather in Guelph in September
Guelph, Canada averages a high of 21°C (69.8°F) and low of 12.1°C (53.8°F) in September, with 9 rain days and 9.5 hours of daily sunshine. Travel score: 78/100 (Good). The best time to visit Guelph is August.
High
21°C70°F
Low
12°C54°F
🌧️
9
rain days
☀️
9.5
hrs/day sunshine
💧
75%
humidity
78— Good
September in Guelph is mild and occasionally wet — good for most activities.
What are the average temperatures in Guelph?
How much does it rain in Guelph in September?
Guelph receives an average of 73.7mm of rainfall across 9 rainy days in September. The annual total is 876.9mm.
What should I pack for Guelph 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
🎉Visiting Canada in September?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31