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Weather in Mont-Royal for September 2027

Your guide to Mont-Royal weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Mont-Royal at the beginning of September is 24.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.6 °C by the end of September.

    • Rain 🌧️

  • Mont-Royal experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 229.2 mm.

    • More

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

  • ✨ Is September a good time to visit Mont-Royal? – 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°/12°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Mont-Royal Weather September

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

Temperatures trend during September in Mont-Royal

See the weather trend as well as the moving average line

September weather in Mont-Royal day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 24° /13° 1.6 mm 5
2 Sept. Heavy rain
Heavy rain
 23° /14° 35.7 mm 5
3 Sept. Heavy rain
Heavy rain
 25° /15° 35.7 mm 5
4 Sept. Moderate rain
Moderate rain
 26° /16° 24.3 mm 6
5 Sept. Moderate rain
Moderate rain
 25° /15° 10.7 mm 5
6 Sept. Light rain
Light rain
 24° /16° 7.2 mm 6
7 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 23° /13° 5.7 mm 5
8 Sept. Moderate rain
Moderate rain
 21° /12° 16.2 mm 4
9 Sept. Light rain
Light rain
 21° /10° 4.6 mm 4
10 Sept. Light rain
Light rain
 22° /12° 2.6 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 21° /12° 1.3 mm 6
12 Sept. Overcast
Overcast
 22° /12° 0.7 mm 6
13 Sept. Moderate rain
Moderate rain
 21° /14° 5.6 mm 4
14 Sept. Overcast
Overcast
 20° /13° 0.3 mm 5
15 Sept. Mist
Mist
 23° /12° 0.1 mm 5
16 Sept. Overcast
Overcast
 25° /15° 0 mm 5
17 Sept. Partly cloudy
Partly cloudy
 26° /14° 0 mm 5
18 Sept. Light rain shower
Light rain shower
 24° /14° 0.4 mm 5.5
19 Sept. Light rain
Light rain
 21° /12° 4.9 mm 5
20 Sept. Cloudy
Cloudy
 21° /10° 0.1 mm 4
21 Sept. Overcast
Overcast
 20° /9° 0 mm 4
22 Sept. Mist
Mist
 20° /10° 0.7 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 21° /12° 1.1 mm 5
24 Sept. Sunny
Sunny
 22° /12° 0 mm 5
25 Sept. Heavy rain
Heavy rain
 19° /12° 31.6 mm 4.9
26 Sept. Heavy rain
Heavy rain
 21° /12° 36.3 mm 4
27 Sept. Mist
Mist
 20° /10° 0.2 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 20° /12° 1.6 mm 4
29 Sept. Mist
Mist
 22° /11° 0.1 mm 4.5
30 Sept. Mist
Mist
 21° /11° 0 mm 4
Next
Important Notice
Our weather forecast for Mont-Royal 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 Mont-Royal forecast closer to your planned date for the most up-to-date weather information.
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Mont-Royal in September - FAQ

What are the expected maximum and minimum temperatures in Mont-Royal during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Mont-Royal during September?
Significant rainfall exceeding 229.2 mm is expected in Mont-Royal during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Mont-Royal during September?
The average wind speed in Mont-Royal during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Mont-Royal

Explore the daily rainfall trends and prepare for Mont-Royals September weather 💧
Typically, Mont-Royal has 7 rainy days in September with a total of 229.2 mm of rainfall.

UV exposure in Mont-Royal during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Mont-Royal?

Get accurate weather forecasts for Mont-Royal, located at latitude 45.517 and longitude -73.649. Stay updated with localized weather information tailored for Mont-Royal.

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