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Canada weather

Weather in Mascouche for September 2025

Your guide to Mascouche weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Mascouche is slightly cooler than the historical average by -0.8 °C.

  • The forecast for the next days in Mascouche predicts temperatures to be around 22 °C, close to 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 🌧️

  • With an average of 2 rainy days, Mascouche experiences minimal rainfall in September.

    • More

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

Average dry days
28
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/9°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
77 %
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
Mist
23°
3
Overcast
25°
4
Overcast
26°
5
Mist
27°
6
Fog
24°
7
Patchy light rain with thunder
23°
8
Light rain shower
19°
9
Sunny
21°
10
Moderate rain
22°
11
Overcast
22°
12
Partly cloudy
22°
13
Moderate rain
21°
14
Overcast
21°
15
Partly cloudy
23°
16
Sunny
26°
17
Sunny
27°
18
Patchy rain possible
26°
19
Patchy rain possible
19°
20
Sunny
17°
21
Partly cloudy
24°
22
Patchy rain possible
31°
23
Patchy rain possible
31°
24
Patchy rain possible
22°
25
Overcast
19°
26
Patchy rain possible
17°
27
Patchy rain possible
13°
28
Sunny
17°
29
Sunny
21°
30
Mist
22°

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° 1.8 mm 6
2 Sept. Mist
Mist
 23° /12° 0 mm 5
3 Sept. Overcast
Overcast
 25° /12° 0 mm 6
4 Sept. Overcast
Overcast
 26° /13° 6.8 mm 6
5 Sept. Mist
Mist
 27° /14° 4.5 mm 7
6 Sept. Fog
Fog
 24° /16° 3.8 mm 5
7 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 23° /12° 5.1 mm 5
8 Sept. Light rain shower
Light rain shower
 19° /10° 6.1 mm 5
9 Sept. Sunny
Sunny
 21° /7° 0 mm 5
10 Sept. Moderate rain
Moderate rain
 22° /9° 1 mm 5
11 Sept. Overcast
Overcast
 22° /11° 0.5 mm 5
12 Sept. Partly cloudy
Partly cloudy
 22° /11° 0.2 mm 5
13 Sept. Moderate rain
Moderate rain
 21° /12° 4.8 mm 5
14 Sept. Overcast
Overcast
 21° /11° 0 mm 5
15 Sept. Partly cloudy
Partly cloudy
 23° /11° 0 mm 6
16 Sept. Sunny
Sunny
 26° /10° 0 mm 1.2
17 Sept. Sunny
Sunny
 27° /8° 0 mm 1.2
18 Sept. Patchy rain possible
Patchy rain possible
 26° /14° 1.6 mm 1.1
19 Sept. Patchy rain possible
Patchy rain possible
 19° /7° 2.3 mm 1
20 Sept. Sunny
Sunny
 17° /3° 0 mm 0
21 Sept. Partly cloudy
Partly cloudy
 24° /6° 0 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
 31° /15° 0.8 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 31° /19° 0.4 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
 22° /13° 1.2 mm 4
25 Sept. Overcast
Overcast
 19° /11° 0 mm 3
26 Sept. Patchy rain possible
Patchy rain possible
 17° /8° 0.2 mm 3
27 Sept. Patchy rain possible
Patchy rain possible
 13° /6° 0.2 mm 2
28 Sept. Sunny
Sunny
 17° /4° 0 mm 3
29 Sept. Sunny
Sunny
 21° /5° 0 mm 4
30 Sept. Mist
Mist
 22° /10° 0 mm 6
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 25° and cooler nights around 9°. 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 279.7 mm is expected in Mascouche during September, occurring over more than 2 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 💧

UV exposure in Mascouche during September

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

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Location coordinates Where is Mascouche?

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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