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Canada weather

Weather in Mascouche for September 2026

Your guide to Mascouche weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Mascouche has been nearly identical to the historical average, with a temperature of 23.6 °C (showing only a slight deviation of 0 °C).

  • The forecast for the next days in Mascouche predicts a temperature of 17.9 °C, which is cooler than the historical average.

  • In general, the average temperature in Mascouche at the beginning of September is 24.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.7 °C by the end of September.

    • Rain 🌧️

  • The climate of Mascouche in September is notably wet, with an average of 11 rainy days, and a total of 127.4 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/11°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Mascouche Weather September

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

Temperatures trend during September in Mascouche

See the weather trend as well as the moving average line

September weather in Mascouche day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 25° /11° 1.5 mm 5
2 Sept. Patchy rain possible
Patchy rain possible
 24° /12° 14.8 mm 5
3 Sept. Overcast
Overcast
 25° /14° 12.5 mm 5
4 Sept. Overcast
Overcast
 26° /13° 7.7 mm 6
5 Sept. Mist
Mist
 25° /14° 21.2 mm 6
6 Sept. Fog
Fog
 24° /15° 2.9 mm 6
7 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 24° /12° 3.8 mm 5
8 Sept. Light rain shower
Light rain shower
 20° /11° 10.6 mm 4
9 Sept. Sunny
Sunny
 21° /8° 4.7 mm 4
10 Sept. Moderate rain
Moderate rain
 22° /9° 0.8 mm 6
11 Sept. Overcast
Overcast
 22° /10° 0.4 mm 6
12 Sept. Overcast
Overcast
 24° /9° 0 mm 5.1
13 Sept. Patchy rain possible
Patchy rain possible
 25° /17° 2 mm 3
14 Sept. Sunny
Sunny
 18° /9° 0 mm 4.7
15 Sept. Overcast
Overcast
 19° /7° 0.2 mm 4
16 Sept. Overcast
Overcast
 24° /14° 0 mm 6
17 Sept. Overcast
Overcast
 17° /10° 2.7 mm 4
18 Sept. Light rain shower
Light rain shower
 10° /8° 24.8 mm 3
19 Sept. Patchy rain possible
Patchy rain possible
 11° /7° 2.1 mm 3
20 Sept. Sunny
Sunny
 18° /7° 0 mm 5
21 Sept. Sunny
Sunny
 18° /8° 0 mm 5
22 Sept. Sunny
Sunny
 20° /9° 0 mm 5
23 Sept. Sunny
Sunny
 20° /11° 0.6 mm 4
24 Sept. Partly cloudy
Partly cloudy
 15° /6° 2.1 mm 4
25 Sept. Overcast
Overcast
 12° /3° 0 mm 4
26 Sept. Sunny
Sunny
 20° /10° 38.6 mm 5
27 Sept. Sunny
Sunny
 20° /8° 0 mm 5
28 Sept. Sunny
Sunny
 21° /10° 0 mm 5
29 Sept. Mist
Mist
 22° /9° 0 mm 5
30 Sept. Mist
Mist
 21° /9° 0 mm 5
Next
Important Notice
Our weather forecast for Mascouche 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 Mascouche forecast closer to your planned date for the most up-to-date weather information.
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Mascouche in September - FAQ

What are the expected maximum and minimum temperatures in Mascouche 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 Mascouche during September?
Significant rainfall exceeding 127.4 mm is expected in Mascouche during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Mascouche during September?
The average wind speed in Mascouche during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Mascouche

Explore the daily rainfall trends and prepare for Mascouches September weather 💧
Typically, Mascouche has 11 rainy days in September with a total of 127.4 mm of rainfall.

UV exposure in Mascouche during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Get accurate weather forecasts for Mascouche, located at latitude 45.75 and longitude -73.6. Stay updated with localized weather information tailored for Mascouche.

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