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Canada weather

Weather in Vaughan for September 2025

Your guide to Vaughan weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Vaughan is cooler than usual, with temperatures averaging 22.1 °C, this is -2.5 °C below the typical seasonal average.

  • The forecast for the next days in Vaughan predicts temperatures to be around 25 °C, close to the historical average.

  • In general, the average temperature in Vaughan at the beginning of September is 25.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.9 °C by the end of September.

    • Rain 🌧️

  • Vaughan experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 38.7 mm.

    • More

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

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/14°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Vaughan 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
Partly cloudy
28°
4
Partly cloudy
28°
5
Partly cloudy
28°
6
Thundery outbreaks possible
25°
7
Light rain shower
19°
8
Overcast
21°
9
Overcast
24°
10
Overcast
24°
11
Light rain shower
25°
12
Light rain shower
25°
13
Overcast
23°
14
Partly cloudy
26°
15
Partly cloudy
24°
16
Partly cloudy
25°
17
Sunny
28°
18
Sunny
31°
19
Partly cloudy
25°
20
Partly cloudy
19°
21
Patchy rain possible
28°
22
Patchy rain possible
19°
23
Sunny
22°
24
Partly cloudy
21°
25
Sunny
26°
26
Sunny
24°
27
Sunny
29°
28
Patchy rain possible
19°
29
Overcast
20°
30
Mist
21°

Temperatures trend during September in Vaughan

See the weather trend as well as the moving average line

September weather in Vaughan 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° /12° 0 mm 6
2 Sept. Mist
Mist
 23° /13° 0.4 mm 6
3 Sept. Partly cloudy
Partly cloudy
 28° /14° 0.5 mm 7
4 Sept. Partly cloudy
Partly cloudy
 28° /16° 11.2 mm 7
5 Sept. Partly cloudy
Partly cloudy
 28° /15° 0 mm 7
6 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 25° /16° 4.4 mm 5
7 Sept. Light rain shower
Light rain shower
 19° /13° 2.8 mm 4
8 Sept. Overcast
Overcast
 21° /9° 0 mm 5
9 Sept. Overcast
Overcast
 24° /11° 0.9 mm 6
10 Sept. Overcast
Overcast
 24° /12° 0 mm 5
11 Sept. Light rain shower
Light rain shower
 25° /14° 0.2 mm 6
12 Sept. Light rain shower
Light rain shower
 25° /14° 2 mm 6
13 Sept. Overcast
Overcast
 23° /14° 0 mm 6
14 Sept. Partly cloudy
Partly cloudy
 26° /13° 0 mm 1.1
15 Sept. Partly cloudy
Partly cloudy
 24° /16° 0 mm 1.3
16 Sept. Partly cloudy
Partly cloudy
 25° /13° 0 mm 1.3
17 Sept. Sunny
Sunny
 28° /14° 0 mm 1.3
18 Sept. Sunny
Sunny
 31° /16° 0 mm 0
19 Sept. Partly cloudy
Partly cloudy
 25° /16° 0 mm 5
20 Sept. Partly cloudy
Partly cloudy
 19° /13° 0 mm 5
21 Sept. Patchy rain possible
Patchy rain possible
 28° /15° 1.1 mm 4
22 Sept. Patchy rain possible
Patchy rain possible
 19° /12° 0.3 mm 4
23 Sept. Sunny
Sunny
 22° /11° 0 mm 4
24 Sept. Partly cloudy
Partly cloudy
 21° /12° 0 mm 5
25 Sept. Sunny
Sunny
 26° /12° 0 mm 5
26 Sept. Sunny
Sunny
 24° /13° 0 mm 5
27 Sept. Sunny
Sunny
 29° /15° 0 mm 6
28 Sept. Patchy rain possible
Patchy rain possible
 19° /13° 0 mm 5
29 Sept. Overcast
Overcast
 20° /14° 0 mm 5
30 Sept. Mist
Mist
 21° /13° 0 mm 5
Next
Important Notice
Our weather forecast for Vaughan 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 Vaughan forecast closer to your planned date for the most up-to-date weather information.
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Vaughan in September - FAQ

What are the expected maximum and minimum temperatures in Vaughan during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Vaughan during September?
In September, Vaughan can expect light to moderate rainfall, totaling 38.7 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Vaughan during September?
The average wind speed in Vaughan during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Vaughan

Explore the daily rainfall trends and prepare for Vaughans September weather 💧

UV exposure in Vaughan during September

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

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Location coordinates Where is Vaughan?

Get accurate weather forecasts for Vaughan, located at latitude 43.836 and longitude -79.498. Stay updated with localized weather information tailored for Vaughan.

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