Weather in Saint-Hyacinthe in September

Saint-Hyacinthe, Canada averages a high of 20.4°C (68.7°F) and low of 11.6°C (52.9°F) in September, with 10 rain days and 9.1 hours of daily sunshine. Travel score: 75.2/100 (Good). The best time to visit Saint-Hyacinthe is August.

High
20°C69°F
Low
12°C53°F
🌧️
10
rain days
☀️
9.1
hrs/day sunshine
💧
75%
humidity
75Good

September in Saint-Hyacinthe is mild and occasionally wet — good for most activities.

What are the average temperatures in Saint-Hyacinthe?

JanFebMarAprMayJunJulAugSep20°12°OctNovDec

How much does it rain in Saint-Hyacinthe in September?

Saint-Hyacinthe receives an average of 90.2mm of rainfall across 10 rainy days in September. The annual total is 1078.8mm.

JanFebMarAprMayJunJulAugSep10dOctNovDec

What should I pack for Saint-Hyacinthe in September?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
🧴
Sunscreen SPF 30+
9 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