Quebec City Weather in September
September in Quebec City brings pleasant temperatures around 20°C (68°F) during the day, dropping to 9°C (48°F) at night, with quite a bit of rainfall expected, averaging around 121 mm (4.8 in) for the month.
Rainfall in Quebec City in September
Typically around 14 days of rainfall are expected, averaging 121 mm (4.8 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Quebec City in September
In September, expect pleasant temperatures in Quebec City, with highs of 20°C (68°F) and lows of 9°C (48°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Quebec City in September
With about 163 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Quebec City's climate page.
Quebec City Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
48%
Precipitation
121 mm (4.8 in)
Rainy days
14 days
Humidity
61%
Sunshine
163 hours
Percentage Sunshine
43%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Quebec City typically drop from around 22°C (72°F) at the start of September to approximately 16°C (61°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Quebec City in September
Browse day-by-day weather records for Quebec City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Quebec City historical weather extremes in September
According to our 49 years of weather records for Quebec City, the following extremes were recorded between 1976 and 2025.
- The warmest day in September was on September 1, 2010, with a maximum of 33°C (91°F).
- The coldest night in September in Quebec City was on September 29, 1980, with a minimum of -5°C (23°F).
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
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What to Wear in Quebec City in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Quebec City in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Quebec City's climate page.
Temperature Rainfall Sunshine Humidity
See the full Quebec City climate overview or explore weather in Canada.
