Early autumn · Weather & things to do
Charlevoix in September
Charlevoix cools off: highs slip to 64°F (18°C), from 71°F in August, with lows of 48°F (9°C) and about 4.1 in (103 mm) of rain.
At 81/100 for comfort (2nd of 12), it's one of the best months to visit.
- Avg high
- 64°F (18°C)
- Avg low
- 48°F (9°C)
- Rain
- 4.1 in (103 mm)
- Humidity
- 81%
- Cloud cover
- 61%
- Daylight
- ~12 h 19 min
- Comfort score
- 81/100 · Great
What September feels like
Highs near 64°F (18°C) make for comfortable sightseeing weather.
Lows average 48°F (9°C).
Showers are part of the month, adding up to about 4.1 in (103 mm).
Plan around September
September is one of Charlevoix's best months on the climate data.
- Last of the best-scoring months: by October, the score drops to 51/100.
- Comfort holds steady from August (81 → 81/100).
- September sits inside the Jun – Oct window our Montréal, Québec City & Charlevoix route recommends.
What to pack for September
- A warm layer for eveningsnights drop to 48°F
- Packable rain jacket or umbrellaabout 4.1 in of rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Charlevoix in September
September is good outdoor weather here, so these picks lean toward the open air.
Hautes-Gorges-de-la-Rivière-Malbaie National Park
Some of eastern Canada's highest rock walls rise above the river; hike L'Acropole-des-Draveurs or paddle.
Why now Our curated notes say it's best fall colour.
Train de Charlevoix
Seasonal riverside rail line between Baie-Saint-Paul and La Malbaie, hugging the St. Lawrence shore.
Fairmont Le Manoir Richelieu
Clifftop château hotel above the river with a lounge, golf and the Casino de Charlevoix next door.
Why now September scores 81/100 for comfort, good conditions for being outside.
Laiterie Charlevoix
Family cheese dairy making Le 1608 and other local cheeses, with a tasting shop.
Le Saint-Pub
Brewpub of Microbrasserie Charlevoix serving hearty dishes with house Dominus Vobiscum beers.
Nearby in September
- Québec City in September~65 mi · highs 67°F, 4.3 in rain · 2°C (3°F) warmer by day, about as wet
- Montréal in September~208 mi · highs 73°F, 3.5 in rain · 5°C (9°F) warmer by day, drier
- Mont-Tremblant in September~220 mi · highs 67°F, 3.9 in rain · 2°C (4°F) warmer by day, about as wet
- Maine in September~225 mi · highs 72°F, 3.5 in rain · 4°C (8°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~483 m to Charlevoix's ~319 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Charlevoix in September: quick answers
Is September a good time to visit Charlevoix?
Yes. On the climate data it's one of the best months, scoring 81/100. Expect highs of 64°F (18°C) and 4.1 in (103 mm) of rain. September is inside the Jun – Oct window our Montréal, Québec City & Charlevoix route recommends.
How cold is Charlevoix in September?
Average highs are 64°F (18°C) and average lows 48°F (9°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Charlevoix in September?
Some: about 4.1 in (103 mm) of rain falls across September on average, the 5th-wettest month of the year. The annual total is about 43.4 in (1102 mm).
What should I pack for Charlevoix in September?
Bring a warm layer for evenings (nights drop to 48°F), packable rain jacket or umbrella (about 4.1 in of rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Charlevoix
Routes in season in September
- Montréal, Québec City & Charlevoix Jun – Oct
Planning Charlevoix in September?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.