Quebec City vs Montreal

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Montreal edges ahead as the better destination in September. Montreal offers 9 hours of daily sunshine with only 10 rain days, while Quebec City sees 9 sunshine hours and 11 rain days.

Quebec City sits in the comfortable travel range at 19°C. Montreal is also comfortable at 21°C.

For travelers who prioritize dry weather, Montreal is the stronger choice in September.

Quebec City reaches an average high of 19°C (66°F) and drops to 11°C (52°F) at night during September. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Montreal averages 21°C (70°F) for the high and 13°C (55°F) for the low, with a daily range of 8°C. The 2°C difference is noticeable but not dramatic.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Quebec City receives approximately 111 mm of rainfall across 11 rain days during September. You can expect rain roughly every other day.

Montreal sees 98 mm over 10 rain days. That makes Montreal the drier option by 1 rain day and 13 mm of total precipitation.

Both cities share similar humidity levels at 65%.