September could be a good time to visit Quebec, as the weather is generally fine. The average high temperature is around +66°F, and there are typically 4 sunny days in September. However, expect about 16 rainy days, and total monthly rainfall of approximately 490 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+66°F
Avg. max. temperature
+25°F
Min.
+91°F
Max.
490 mm
Total precipitation
79%
Avg. humidity
2 m/s
Avg. wind
4 ☀️
Sunny Days
10 ⛅️
Cloudy
16 🌦
Rainy
Our opinion: Quebec has OK weather in September.
Average temperature in Quebec in September
Here are the expected maximum, average and minimum temperatures in Quebec for September based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in September is +72°F with a maximum of +90°F and a minimum of +41°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +73°F to +73°F.
Is Quebec warm or cold in September?
Quebec is typically mild in September.
Maximum temperatures go down compared to the previous month from +75°F to +66°F. The minimum temperature also goes down from +59°F to +50°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Quebec:
Climate in Quebec in September
Quebec weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+75°F
+66°F
+54°F
Min. temperature
+37°F
+25°F
+18°F
Max. temperature
+93°F
+91°F
+81°F
Rainfall
560 mm
490 mm
134 mm
Wind
2 m/s
2 m/s
3 m/s
Humidity
78%
79%
78%
Air pressure
1013 HPa
1015 HPa
1015 HPa
Sunny days
3
4
3
Cloudy days
10
10
11
Rainy days
18
16
16
Snowy days
0
0
1
September weather is still as ok as in August.It’s getting colder in September. From +75°F in the day, the average maximum temperature lowers to +66°F.As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 560 mm to 490 mm.Humidity rises from 78% to 79%.The average wind speed doesn’t change much during September, staying around 2 m/s.The good news is there are likely to be more sunny days in September, from 3 to 4.
October brings much the same weather, it remains ok.
Wind speed in Quebec in September based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Quebec is gradually decreasing during September, going from 2 m/s to 1 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Quebec based on historical data.
Last Year
Historical Data
Total precipitation in September is about 15804 mm, with a 67% chance of rain on a typical day. The maximum amount of rainfall per day is around 1146 mm, which is considered heavy rain.September is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
September is one of the rainiest months in Quebec, here is a comparison with other months, total mm:
Quebec wettest month is August, where a typical day has a 58% chance of precipitation and 560 mm of rainfall per day. February, on the other hand, is the driest month with a mere 3% chance of precipitation and 12 mm of rainfall per day.
How was the weather last September in Quebec?
This is the weather in Quebec in September 2023:
1 September
🌧️
+73°F
2 September
🌧️
+77°F
3 September
🌧️
+81°F
4 September
🌧️
+84°F
5 September
🌧️
+87°F
6 September
🌧️
+89°F
7 September
🌫️
+87°F
8 September
🌧️
+79°F
9 September
🌧️
+73°F
10 September
🌧️
+63°F
11 September
🌧️
+70°F
12 September
🌧️
+64°F
13 September
🌧️
+66°F
14 September
🌧️
+66°F
15 September
🌧️
+72°F
16 September
🌧️
+65°F
17 September
🌧️
+74°F
18 September
🌧️
+66°F
19 September
🌫️
+59°F
20 September
☁️
+69°F
21 September
☁️
+70°F
22 September
☀️
+72°F
23 September
☁️
+70°F
24 September
☁️
+73°F
25 September
☀️
+62°F
26 September
☀️
+66°F
27 September
☀️
+71°F
28 September
☀️
+70°F
29 September
☁️
+69°F
30 September
☀️
+73°F
In September 2023 Quebec had 6 sunny days, 5 cloudy days, and 17 rainy days. The average maximum temperature was +72°F, with an absolute maximum of +90°F and a minimum of +59°F. The average humidity was 84%, with a maximum of 100% and a minimum of 49%. The average wind speed was 2 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change Over the Years
This is how Quebec climate has changed over the last 43 years.
The climate in Quebec in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1980 (+48°F) and the highest in 2010 (+53°F). The driest year was 2001 with only 618 mm of rainfall, and the wettest year was 2023 with 44340 mm.
FAQ
Frequently asked questions about the weather in Quebec in September:
Is September a good time to visit Quebec?
It’s always a good time to visit Quebec, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Quebec in September?
September has mild temperatures in Quebec. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Quebec rainy in September?
Quebec is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Quebec in September?
Usually, it’s not very sunny in Quebec in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Quebec, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.