Weather in Hamilton in September
Hamilton, Canada averages a high of 21.9°C (71.4°F) and low of 14.9°C (58.8°F) in September, with 9 rain days and 9.7 hours of daily sunshine. Travel score: 80.6/100 (Excellent). The best time to visit Hamilton is August.
High
22°C71°F
Low
15°C59°F
🌧️
9
rain days
☀️
9.7
hrs/day sunshine
💧
74%
humidity
81— Excellent
September in Hamilton is mild and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Hamilton?
How much does it rain in Hamilton in September?
Hamilton receives an average of 72.3mm of rainfall across 9 rainy days in September. The annual total is 882.9mm.
What should I pack for Hamilton 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 (9 days)
☔
Umbrella
Be prepared for occasional showers
🎉Visiting Canada in September?
Don't miss any public holidays — check before you book!
Compare Hamilton
Popular comparisons:
How can I plan my trip to Hamilton?
What other cities are near Hamilton?
What are other popular cities in Canada?
What is the weather like in other months in Hamilton?
Data based on 1994–2024 averages · Last updated: 2024-12-31