Grand-Mère Weather in September

Grand-Mère in September averages 21°C (70°F) during the day and 9°C (48°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Grand-Mère in September

Analyzing past climate data, one can expect approximately 12 days of rain, averaging 107 mm (4.2 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Grand-Mère in September

September in Grand-Mère sees highs of 21°C (70°F) and lows of 9°C (48°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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• January
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For a detailed overview over the year and the best time to visit Canada, check out our Grand-Mère's climate page.

Grand-Mère Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 41%  

Precipitation 107 mm (4.2 in)  

Rainy days 12 days  

What to Wear in Grand-Mère in September

For Grand-Mère in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Grand-Mère in September

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

Cycling

9/10

Walking

9/10

Camping

3/10

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 Grand-Mère's climate page.

More climate data for Grand-Mère

Temperature Rainfall

See the full Grand-Mère climate overview or explore weather in Canada.