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Canada weather

Weather in Dorval for September 2026

Your guide to Dorval weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Dorval at the beginning of September is 24.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.3 °C by the end of September.

    • Rain 🌧️

  • The climate of Dorval in September is notably wet, with an average of 15 rainy days, and a total of 161.1 mm of precipitation.

    • More

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Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/12°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Dorval Weather September

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

Temperatures trend during September in Dorval

See the weather trend as well as the moving average line

September weather in Dorval day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Mist
Mist
 25° /11° 2.6 mm 5
2 Sept. Mist
Mist
 23° /13° 0 mm 5
3 Sept. Mist
Mist
 24° /13° 0 mm 6
4 Sept. Mist
Mist
 27° /15° 9.6 mm 6
5 Sept. Mist
Mist
 26° /15° 6.7 mm 6
6 Sept. Cloudy
Cloudy
 25° /16° 9.6 mm 6
7 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 22° /13° 8.4 mm 5
8 Sept. Light rain shower
Light rain shower
 20° /11° 13.2 mm 5
9 Sept. Cloudy
Cloudy
 21° /9° 0 mm 5
10 Sept. Light rain shower
Light rain shower
 22° /11° 3.4 mm 5
11 Sept. Overcast
Overcast
 22° /12° 1.6 mm 5
12 Sept. Overcast
Overcast
 23° /12° 1.1 mm 5
13 Sept. Moderate rain
Moderate rain
 20° /13° 5.4 mm 5
14 Sept. Overcast
Overcast
 22° /13° 0.4 mm 5
15 Sept. Mist
Mist
 25° /13° 0 mm 6
16 Sept. Overcast
Overcast
 25° /14° 0 mm 6
17 Sept. Partly cloudy
Partly cloudy
 27° /13° 0 mm 6
18 Sept. Light rain shower
Light rain shower
 25° /14° 0.6 mm 6
19 Sept. Heavy rain
Heavy rain
 22° /13° 6.1 mm 5
20 Sept. Cloudy
Cloudy
 22° /10° 0 mm 5
21 Sept. Mist
Mist
 21° /8° 0 mm 5
22 Sept. Mist
Mist
 21° /10° 1 mm 5
23 Sept. Mist
Mist
 21° /13° 1.9 mm 5
24 Sept. Partly cloudy
Partly cloudy
 23° /13° 0 mm 6
25 Sept. Sunny
Sunny
 18° /12° 42 mm 5
26 Sept. Partly cloudy
Partly cloudy
 21° /11° 47.5 mm 5
27 Sept. Mist
Mist
 20° /8° 0 mm 5
28 Sept. Mist
Mist
 22° /12° 0 mm 5
29 Sept. Mist
Mist
 23° /10° 0 mm 6
30 Sept. Mist
Mist
 22° /10° 0 mm 5
Next
Important Notice
Our weather forecast for Dorval 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 Dorval forecast closer to your planned date for the most up-to-date weather information.
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Dorval in September - FAQ

What are the expected maximum and minimum temperatures in Dorval 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 Dorval during September?

Significant rainfall exceeding 161.1 mm is expected in Dorval during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Dorval during September?

The average wind speed in Dorval during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Dorval

Explore the daily rainfall trends and prepare for Dorvals September weather 💧
Typically, Dorval has 15 rainy days in September with a total of 161.1 mm of rainfall.

UV exposure in Dorval during September

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

Quick links

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Location coordinates Where is Dorval?

Get accurate weather forecasts for Dorval, located at latitude 45.447 and longitude -73.753. Stay updated with localized weather information tailored for Dorval.

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