Saint-Jean-sur-Richelieu Weather in September

September in Saint-Jean-sur-Richelieu brings high temperatures around 22°C (72°F) during the day, dropping to 11°C (52°F) at night, with quite a bit of rainfall expected, averaging around 103 mm (4.1 in) for the month.

Rainfall in Saint-Jean-sur-Richelieu in September

On average, there are about 12 days with rain during this month, averaging 103 mm (4.1 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Saint-Jean-sur-Richelieu in September

September in Saint-Jean-sur-Richelieu brings typical temperatures with highs around 22°C (72°F) and lows of 11°C (52°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Saint-Jean-sur-Richelieu in September

The area experiences a moderate amount of sunshine, with approximately 183 hours of sunlight expected. This means a decent mix of sun and overcast.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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For a detailed overview over the year and the best time to visit Canada, check out our Saint-Jean-sur-Richelieu's climate page.

Saint-Jean-sur-Richelieu Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 40%  

Precipitation 103 mm (4.1 in)  

Rainy days 12 days  

Humidity 60% *  

Sunshine 183 hours *  

Percentage Sunshine 49% *  

* Data from: Montréal, Canada (33 KM, 20 Miles).

What to Wear in Saint-Jean-sur-Richelieu in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Saint-Jean-sur-Richelieu in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Saint-Jean-sur-Richelieu's climate page.

More climate data for Saint-Jean-sur-Richelieu

Temperature Rainfall Sunshine Humidity

See the full Saint-Jean-sur-Richelieu climate overview or explore weather in Canada.