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Canada weather

Weather in Caledon for September 2026

Your guide to Caledon weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Caledon is slightly cooler than the historical average by 1 °C.

  • The forecast for the next days in Caledon predicts a temperature of 16.1 °C, which is cooler than the historical average.

  • In general, the average temperature in Caledon at the beginning of September is 23.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.3 °C by the end of September.

    • Rain 🌧️

  • The climate of Caledon in September is notably wet, with an average of 12 rainy days, and a total of 84.3 mm of precipitation.

    • More

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

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/12°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Caledon Weather September

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

Temperatures trend during September in Caledon

See the weather trend as well as the moving average line

September weather in Caledon day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 25° /14° 0.1 mm 6
2 Sept. Overcast
Overcast
 23° /13° 0.7 mm 4
3 Sept. Cloudy
Cloudy
 26° /14° 0.9 mm 5
4 Sept. Sunny
Sunny
 24° /13° 10.4 mm 6
5 Sept. Overcast
Overcast
 25° /13° 0 mm 6
6 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 23° /14° 3.7 mm 6
7 Sept. Light rain shower
Light rain shower
 18° /11° 4 mm 5
8 Sept. Overcast
Overcast
 21° /9° 0.1 mm 4
9 Sept. Mist
Mist
 22° /11° 4.8 mm 4
10 Sept. Overcast
Overcast
 23° /12° 0.2 mm 5
11 Sept. Partly cloudy
Partly cloudy
 22° /11° 0.9 mm 6
12 Sept. Heavy rain
Heavy rain
 24° /12° 7.6 mm 5
13 Sept. Overcast
Overcast
 22° /12° 0.1 mm 5
14 Sept. Partly cloudy
Partly cloudy
 21° /11° 0 mm 6
15 Sept. Sunny
Sunny
 22° /11° 0.1 mm 5
16 Sept. Overcast
Overcast
 24° /12° 0 mm 5
17 Sept. Overcast
Overcast
 22° /13° 2 mm 4
18 Sept. Fog
Fog
 22° /11° 0 mm 5
19 Sept. Overcast
Overcast
 19° /9° 0 mm 4
20 Sept. Overcast
Overcast
 20° /8° 0 mm 4
21 Sept. Fog
Fog
 20° /10° 0.9 mm 4
22 Sept. Mist
Mist
 20° /11° 15.1 mm 5
23 Sept. Mist
Mist
 19° /11° 6.8 mm 5
24 Sept. Mist
Mist
 18° /11° 6.5 mm 5
25 Sept. Mist
Mist
 21° /11° 3.3 mm 5
26 Sept. Mist
Mist
 20° /11° 0 mm 4
27 Sept. Overcast
Overcast
 20° /11° 0 mm 4.8
28 Sept. Overcast
Overcast
 17° /10° 0.6 mm 4.3
29 Sept. Overcast
Overcast
 20° /14° 0 mm 3.5
30 Sept. Mist
Mist
 19° /13° 9 mm 3.3
Next
Important Notice
Our weather forecast for Caledon 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 Caledon forecast closer to your planned date for the most up-to-date weather information.
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Caledon in September - FAQ

What are the expected maximum and minimum temperatures in Caledon during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Caledon during September?
Moderate rainfall is anticipated in Caledon during September, with a total of 84.3 mm spread over approximately 12 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Caledon during September?
The average wind speed in Caledon during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Caledon

Explore the daily rainfall trends and prepare for Caledons September weather 💧
Typically, Caledon has 12 rainy days in September with a total of 84.3 mm of rainfall.

UV exposure in Caledon during September

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

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Location coordinates Where is Caledon?

Get accurate weather forecasts for Caledon, located at latitude 43.865 and longitude -79.993. Stay updated with localized weather information tailored for Caledon.

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