Canada
Quebec City in September: weather & travel advice
This month's data profile
Rain shapes the decision
Quebec City in September is climatically well suited to city breaks. The average daily high is around 18 °C. With about 14 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
57/100 · #4
Warmth
#4
Dryness
#5
Sun
#6
Published best categories: City break, Active
Quebec City · SeptemberPhoto: Wilfredor · CC BY-SA 4.0Climate facts
- Average high
- 18 °C
- Average low
- 8 °C
- Rainy days (est.)
- 14 rainy days (est.)
- Sun (est.)
- 4 h/day
- Humidity
- 83 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| August | 21 | 12 | 16 | 110 | 5.8 | 84 | 1.0 | 65 |
| September (selected) | 18 | 8 | 14 | 104 | 4.4 | 83 | 1.1 | 57 |
| October | 10 | 2 | 14 | 110 | 2.7 | 86 | 1.2 | 33 |
How do the previous and next months compare?
Baseline: September (57/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| August | +8 | +3.9 °C | +4.4 °C | +2.2 | +5.4 mm | +1.4 h | +0.2 % | -0.1 m/s |
| October | -24 | -7.4 °C | -6 °C | +0.5 | +5.8 mm | -1.7 h | +2.3 % | +0.1 m/s |
All twelve months in context
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Where to stay in Quebec City
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Useful next decisions
Frequently asked questions
How warm is Quebec City in September?
The average daily high is around 18 °C, with an average daily low of about 8 °C.
Does it rain a lot in Quebec City in September?
The curated estimate is about 14 rainy days per month, not a directly measured long-term average. Total precipitation averages around 104 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Quebec City?
By the climate score, June, July and August are the strongest months for Quebec City. September is not among them.