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Grenville-sur-la-Rouge Weather in September
September in Grenville-sur-la-Rouge averages 21°C (70°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 106 mm (4.2 in) on average. An umbrella is a good idea.
Rainfall in Grenville-sur-la-Rouge in September
Historically, approximately 12 days this month are expected to have rain, averaging 106 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 Grenville-sur-la-Rouge in September
September in Grenville-sur-la-Rouge brings typical temperatures with highs around 21°C (70°F) and lows of 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Grenville-sur-la-Rouge Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
39%
Precipitation
106 mm (4.2 in)
Rainy days
12 days
Grenville-sur-la-Rouge Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grenville-sur-la-Rouge - and find the best time to visit.
Best Places in Canada in September
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Grenville-sur-la-Rouge in September
For Grenville-sur-la-Rouge 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 Grenville-sur-la-Rouge in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping3/10 -
Outdoor sports9/10
Grenville-sur-la-Rouge 3-Day Forecast
More climate data for Grenville-sur-la-Rouge
See the full Grenville-sur-la-Rouge climate overview or explore weather in Canada.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
22°C (72°F) Niagara Falls23°C (73°F) Montréal
22°C (72°F) Ottawa22°C (72°F) Quebec City
20°C (68°F) Vancouver19°C (66°F) Calgary19°C (66°F) Whistler15°C (59°F) Bucket list
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