September · Canada
Best time to visit Quebec City in September Weather, crowds & prices
Weather in Quebec City in September
Average temperature 15°C, 92 mm of rain, about 24 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.1/10
Ranked #1 of 12 months
- Avg temp
- 15°C
- Rainfall
- 92 mm
- Humidity
- 79%
- Days with 6h+ sun
- 24
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Quebec City scores 8.1/10 for sightseeing and cultural travel - the single best month of the year. Expect around 15°C, 92 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Québec City keeps its French colonial core inside surviving fortifications, with the Château Frontenac above the St. Lawrence and Petit-Champlain below.
September in Quebec City tops the year's climate scores
Temperatures hover around 15°C (59°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 92 mm of rain this month — a flexible day or two helps — with about 24 days with 6+ hours of sunshine and 12.5 hours of daylight to work around it.
On our climate-comfort scale this is the top-ranked month of the year for Quebec City at 8.1/10 — the reference point every other month on this page is measured against.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Quebec City in September?
- In September, Quebec City averages 15°C, 92 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 8.1/10.
- Is September a good time to visit Quebec City?
- September earns a 8.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Quebec City in September?
- Expect about 92 mm of rain in September. Average humidity is 79% and there are about 24 days with 6+ hours of sunshine.
Curated in Quebec City
Tickets & experiences
Things to do in Quebec City
Quebec City, Canada. Live activities and tours from GetYourGuide, matched to this destination.