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Canada weather

Weather in Laval for September 2027

Your guide to Laval weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Laval at the beginning of September is 24.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.5 °C by the end of September.

    • Rain 🌧️

  • Laval experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 216.4 mm.

    • More

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

  • ✨ Is September a good time to visit Laval? – 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
15 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Laval 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
Heavy rain
26°
5
Moderate rain
25°
6
Light rain
24°
7
Light rain
23°
8
Moderate rain
20°
9
Light rain
21°
10
Patchy rain possible
22°
11
Overcast
21°
12
Overcast
22°
13
Moderate rain
21°
14
Overcast
20°
15
Mist
23°
16
Overcast
24°
17
Overcast
25°
18
Light rain shower
23°
19
Light rain
21°
20
Overcast
21°
21
Overcast
19°
22
Mist
19°
23
Overcast
21°
24
Sunny
22°
25
Heavy rain
19°
26
Heavy rain
21°
27
Partly cloudy
20°
28
Patchy rain possible
20°
29
Mist
21°
30
Mist
21°

Temperatures trend during September in Laval

See the weather trend as well as the moving average line

September weather in Laval 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° 1.8 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 6
4 Sept. Heavy rain
Heavy rain
 26° /15° 25.3 mm 6
5 Sept. Moderate rain
Moderate rain
 25° /15° 10.3 mm 6
6 Sept. Light rain
Light rain
 24° /16° 5 mm 6
7 Sept. Light rain
Light rain
 23° /13° 6.1 mm 5
8 Sept. Moderate rain
Moderate rain
 20° /12° 12.1 mm 4
9 Sept. Light rain
Light rain
 21° /9° 4.6 mm 4
10 Sept. Patchy rain possible
Patchy rain possible
 22° /11° 1.6 mm 5
11 Sept. Overcast
Overcast
 21° /12° 0.8 mm 6
12 Sept. Overcast
Overcast
 22° /11° 0.9 mm 6
13 Sept. Moderate rain
Moderate rain
 21° /14° 5.2 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
 24° /15° 0 mm 5
17 Sept. Overcast
Overcast
 25° /13° 0 mm 5
18 Sept. Light rain shower
Light rain shower
 23° /13° 0.4 mm 5.5
19 Sept. Light rain
Light rain
 21° /12° 3.5 mm 5
20 Sept. Overcast
Overcast
 21° /10° 0.1 mm 4
21 Sept. Overcast
Overcast
 19° /8° 0 mm 4
22 Sept. Mist
Mist
 19° /9° 0.6 mm 5
23 Sept. Overcast
Overcast
 21° /12° 0.5 mm 5
24 Sept. Sunny
Sunny
 22° /11° 0 mm 5
25 Sept. Heavy rain
Heavy rain
 19° /11° 33.8 mm 4.9
26 Sept. Heavy rain
Heavy rain
 21° /12° 30.2 mm 4
27 Sept. Partly cloudy
Partly cloudy
 20° /10° 0.2 mm 4.7
28 Sept. Patchy rain possible
Patchy rain possible
 20° /12° 1.6 mm 4
29 Sept. Mist
Mist
 21° /11° 0.1 mm 4.5
30 Sept. Mist
Mist
 21° /11° 0 mm 4
Next
Important Notice
Our weather forecast for Laval 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 Laval forecast closer to your planned date for the most up-to-date weather information.
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Laval in September - FAQ

What are the expected maximum and minimum temperatures in Laval 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 Laval during September?
Significant rainfall exceeding 216.4 mm is expected in Laval during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.

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

September rainfall patterns in Laval

Explore the daily rainfall trends and prepare for Lavals September weather 💧
Typically, Laval has 7 rainy days in September with a total of 216.4 mm of rainfall.

UV exposure in Laval during September

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

Get accurate weather forecasts for Laval, located at latitude 45.57 and longitude -73.692. Stay updated with localized weather information tailored for Laval.

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