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Canada weather

Weather in Montérégie for September 2027

Your guide to Montérégie weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Montérégie at the beginning of September is 24.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.2 °C by the end of September.

    • Rain 🌧️

  • Montérégie experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 219.3 mm.

    • More

  • Is September a good time to visit Montérégie? check out the best time to travel to Montérégie page.

  • ✨ Is September a good time to visit Montérégie? – Ask the AI Weatherman

Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/11°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Montérégie Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Mist
25°
2
Heavy rain
23°
3
Heavy rain
25°
4
Light rain
25°
5
Moderate rain
25°
6
Moderate rain
24°
7
Light rain
24°
8
Moderate rain
21°
9
Light rain
21°
10
Light rain
21°
11
Light rain
21°
12
Overcast
23°
13
Light rain
21°
14
Mist
20°
15
Mist
22°
16
Overcast
24°
17
Partly cloudy
25°
18
Light rain shower
24°
19
Light rain
20°
20
Mist
20°
21
Overcast
20°
22
Mist
20°
23
Patchy rain possible
20°
24
Sunny
22°
25
Heavy rain
19°
26
Heavy rain
20°
27
Mist
20°
28
Mist
20°
29
Mist
21°
30
Mist
21°

Temperatures trend during September in Montérégie

See the weather trend as well as the moving average line

September weather in Montérégie day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Mist
Mist
 25° /12° 0.9 mm 5
2 Sept. Heavy rain
Heavy rain
 23° /13° 28 mm 5
3 Sept. Heavy rain
Heavy rain
 25° /14° 36.7 mm 6
4 Sept. Light rain
Light rain
 25° /15° 5.2 mm 6.8
5 Sept. Moderate rain
Moderate rain
 25° /15° 11.6 mm 5
6 Sept. Moderate rain
Moderate rain
 24° /15° 12.1 mm 6
7 Sept. Light rain
Light rain
 24° /13° 4.3 mm 6
8 Sept. Moderate rain
Moderate rain
 21° /12° 14.8 mm 4
9 Sept. Light rain
Light rain
 21° /9° 5.1 mm 4
10 Sept. Light rain
Light rain
 21° /11° 6.3 mm 4
11 Sept. Light rain
Light rain
 21° /11° 2.8 mm 6
12 Sept. Overcast
Overcast
 23° /10° 0.3 mm 5
13 Sept. Light rain
Light rain
 21° /13° 6.7 mm 4
14 Sept. Mist
Mist
 20° /12° 0.3 mm 5
15 Sept. Mist
Mist
 22° /11° 0.2 mm 5
16 Sept. Overcast
Overcast
 24° /14° 0 mm 5
17 Sept. Partly cloudy
Partly cloudy
 25° /13° 0 mm 5
18 Sept. Light rain shower
Light rain shower
 24° /13° 0.3 mm 5.5
19 Sept. Light rain
Light rain
 20° /11° 5.6 mm 5
20 Sept. Mist
Mist
 20° /9° 0.2 mm 5
21 Sept. Overcast
Overcast
 20° /7° 0 mm 4
22 Sept. Mist
Mist
 20° /8° 0.4 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 20° /11° 1.6 mm 5
24 Sept. Sunny
Sunny
 22° /10° 0 mm 5
25 Sept. Heavy rain
Heavy rain
 19° /11° 28.3 mm 4
26 Sept. Heavy rain
Heavy rain
 20° /11° 46.9 mm 4
27 Sept. Mist
Mist
 20° /9° 0.1 mm 4
28 Sept. Mist
Mist
 20° /10° 0.4 mm 4
29 Sept. Mist
Mist
 21° /10° 0.1 mm 4.5
30 Sept. Mist
Mist
 21° /9° 0 mm 4
Next
Important Notice
Our weather forecast for Montérégie in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Montérégie forecast closer to your planned date for the most up-to-date weather information.
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Montérégie in September - FAQ

What are the expected maximum and minimum temperatures in Montérégie during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Montérégie during September?
Significant rainfall exceeding 219.3 mm is expected in Montérégie during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Montérégie during September?
The average wind speed in Montérégie during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Montérégie

Explore the daily rainfall trends and prepare for Montérégies September weather 💧
Typically, Montérégie has 7 rainy days in September with a total of 219.3 mm of rainfall.

UV exposure in Montérégie during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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BeloeilBouchervilleBrossardChâteauguayGranbyLongueuilSaint-HyacintheSorel-TracyVaudreuil-DorionWarden
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