Quebec City weather in September
Quebec City in September averages 15°C (59°F) and 115 mm of rain.
Of the twelve months in Quebec City, September is the fourth warmest and the fourth wettest.
- Average temp
- 15°C (59°F)
10–20°C · 50–68°F
- Rainfall
- 115 mm
Showers likely
- Sunshine
- —
What is Quebec City like in September?
Daytime
Days are mild.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Quebec City in September?
A light rain jacket
About 115 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 10°C (50°F).
September compared with August and October
September in Quebec City is 4.5°C cooler than August and 12 mm wetter than it, which averages 20°C (67°F).
September in Quebec City is 6.8°C warmer than October and about as wet as it, which averages 8°C (47°F).
Daylight in Quebec City in September
On 15 September the sun is up for 12 hours 32 minutes in Quebec City, rising about 06:23 and setting about 18:55 local time.
September ends 1 hour 36 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 3 hours 19 minutes short of June, the longest-lit month here.
Where to stay in Quebec City
Dates are a starting point for September.
Travel guides for Quebec City
What to read before you book.
Quebec City weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -10°C / 15°F | 79 mm |
| February | -8°C / 18°F | 87 mm |
| March | -3°C / 27°F | 82 mm |
| April | 5°C / 40°F | 106 mm |
| May | 12°C / 54°F | 89 mm |
| June | 17°C / 63°F | 118 mm |
| July | 20°C / 69°F | 119 mm |
| August | 20°C / 67°F | 103 mm |
| September | 15°C / 59°F | 115 mm |
| October | 8°C / 47°F | 123 mm |
| November | 2°C / 36°F | 96 mm |
| December | -6°C / 22°F | 109 mm |
Check another month
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FAQs about Quebec City in September
September climate averages for Quebec City, 1991–2020.
Quebec City averages 15°C (59°F) in September, ranging from about 10°C (50°F) at night to 20°C (68°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 115 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 15°C (59°F) against 8°C (47°F) in October — 6.8°C warmer.
September is 4.5°C cooler than August, and 12 mm wetter.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 32 minutes of daylight in mid-September, against 15 hours 51 minutes in June and 8 hours 33 minutes in December.
On 15 September, sunrise is about 06:23 and sunset about 18:55 local time. Both shift across the month — the month ends 1 hour 36 minutes shorter than it starts.
