Montréal

Quebec Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Quebec, Canada in September.

Planning a getaway to Quebec, Canada this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Quebec in September

Quebec, Canada is a region in Canada. September in Quebec generally has temperatures that range from mild to warm, with precipitation levels ranging from moderate to high.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is mild in Blanc-Sablon at 14°C (57°F) to warm in Salaberry de Valleyfield at 23°C (73°F). Nighttime temperatures generally drop to 11°C (52°F) in Salaberry de Valleyfield and 8°C (46°F) in Blanc-Sablon.

For specific regional insights in Quebec, Canada, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Salaberry de Valleyfield with an average of 92 mm (3.6 in) to high rainfall in Saint-David-de-Falardeau with 146 mm (5.7 in).

Average sunshine

Sunshine levels are moderate in most locations. Montréal typically sees 183 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Quebec by month

Pick a month to see the average temperature, rainfall and sunshine in Quebec - and find the best time to visit. (based on Montréal)

Best Places to Visit in Quebec in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Quebec.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Quebec

What is the weather like in September for some of the most popular destinations in Quebec, Canada?

Temperature range in Quebec (September)

Precipitation variation in Quebec (September)

Montréal

In September Montréal generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are very good that month.

August
September
October
Max temperature
27°C (81°F)
22°C (72°F)
14°C (57°F)
Min temperature
15°C (59°F)
11°C (52°F)
5°C (41°F)
Monthly sun hours
245 hours
183 hours
140 hours
Monthly rainfall
104 mm (4.1 in)
102 mm (4 in)
114 mm (4.5 in)
Monthly rainy days
13 days
11 days
13 days
Weather conditions

Quebec City

In September Quebec City generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are very good that month.

August
September
October
Max temperature
24°C (75°F)
20°C (68°F)
12°C (54°F)
Min temperature
13°C (55°F)
9°C (48°F)
3°C (37°F)
Monthly sun hours
232 hours
163 hours
121 hours
Monthly rainfall
124 mm (4.9 in)
121 mm (4.8 in)
134 mm (5.3 in)
Monthly rainy days
14 days
14 days
14 days
Weather conditions

Mont-Tremblant

In September Mont-Tremblant generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are good that month.

August
September
October
Max temperature
24°C (75°F)
19°C (66°F)
11°C (52°F)
Min temperature
12°C (54°F)
8°C (46°F)
2°C (36°F)
Monthly rainfall
112 mm (4.4 in)
113 mm (4.4 in)
117 mm (4.6 in)
Monthly rainy days
14 days
13 days
14 days
Weather conditions

La Malbaie

In September La Malbaie generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are mixed that month.

August
September
October
Max temperature
21°C (70°F)
17°C (63°F)
10°C (50°F)
Min temperature
13°C (55°F)
9°C (48°F)
4°C (39°F)
Monthly rainfall
101 mm (4 in)
119 mm (4.7 in)
139 mm (5.5 in)
Monthly rainy days
13 days
12 days
11 days
Weather conditions

Magdalen Islands

In September Magdalen Islands generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 14°C (57°F) and high monthly rainfall. So on average the conditions are mixed that month.

August
September
October
Max temperature
20°C (68°F)
17°C (63°F)
12°C (54°F)
Min temperature
17°C (63°F)
14°C (57°F)
8°C (46°F)
Monthly rainfall
89 mm (3.5 in)
113 mm (4.4 in)
121 mm (4.8 in)
Monthly rainy days
11 days
12 days
14 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Quebec, in Canada.

Popular cities in September

Day & night temperatures, rainfall and average weather in Quebec in September.

City Weather Day temp Night temp Rainfall
Montréal 22°C (72°F) 11°C (52°F) 102 mm (4 in)
Quebec City 20°C (68°F) 9°C (48°F) 121 mm (4.8 in)
Mont-Tremblant 19°C (66°F) 8°C (46°F) 113 mm (4.4 in)
La Malbaie 17°C (63°F) 9°C (48°F) 119 mm (4.7 in)
Magdalen Islands 17°C (63°F) 14°C (57°F) 113 mm (4.4 in)
Baie-Saint-Paul 17°C (63°F) 9°C (48°F) 119 mm (4.7 in)

Quebec weather in September: frequently asked questions

What is the weather like in Quebec, Canada in September?

Expect very good weather across Quebec, Canada in September. The popular destination of Montréal averages 22°C (72°F) by day and 11°C (52°F) at night during this month.

What is the average temperature in Quebec, Canada in September?

Average temperatures in Quebec, Canada during September range from a nighttime low near 11°C (52°F) to a daytime high around 22°C (72°F) in Montréal.

Does Quebec, Canada get a lot of rain in September?

Montréal typically receives notable rainfall in September, about 102 mm (4 in) on average across Quebec, Canada.

Is September a Good Time to Visit Quebec, Canada?

We believe that September is one of the best times to visit Quebec, Canada with overall very good weather in Montréal. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in May, June, July, August and September offering mostly very good weather in Montréal. In contrast, January, February, March, April, November and December tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in Quebec.

Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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