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Canada weather

Weather in Caledon for September 2025

Your guide to Caledon weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Caledon is cooler than usual, with temperatures averaging 20.1 °C, this is -2.2 °C below the typical seasonal average.

  • The forecast for the upcoming days in Caledon predicts a temperature of 24 °C, which is slightly above the historical average.

  • In general, the average temperature in Caledon at the beginning of September is 22.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 22.9 °C by the end of September.

    • Rain 🌧️

  • Caledon experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 58.2 mm.

    • More

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

Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/12°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Caledon Weather September

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

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
 22° /12° 0.1 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
 21° /12° 0.3 mm 5
3 Sept. Cloudy
Cloudy
 26° /13° 1.2 mm 6
4 Sept. Overcast
Overcast
 24° /13° 13.9 mm 6
5 Sept. Overcast
Overcast
 26° /13° 0 mm 6
6 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 23° /14° 4.9 mm 5
7 Sept. Light rain shower
Light rain shower
 17° /11° 5.4 mm 4
8 Sept. Overcast
Overcast
 19° /8° 0.1 mm 4
9 Sept. Mist
Mist
 22° /9° 0.8 mm 5
10 Sept. Overcast
Overcast
 22° /11° 0 mm 5
11 Sept. Partly cloudy
Partly cloudy
 22° /12° 1.3 mm 6
12 Sept. Heavy rain
Heavy rain
 23° /12° 10.1 mm 5
13 Sept. Overcast
Overcast
 22° /13° 0 mm 5
14 Sept. Mist
Mist
 22° /11° 0 mm 5
15 Sept. Sunny
Sunny
 23° /11° 0 mm 6
16 Sept. Overcast
Overcast
 25° /12° 0 mm 6
17 Sept. Sunny
Sunny
 25° /13° 0 mm 1.3
18 Sept. Partly cloudy
Partly cloudy
 26° /14° 0 mm 1.3
19 Sept. Partly cloudy
Partly cloudy
 20° /10° 0 mm 1.3
20 Sept. Sunny
Sunny
 18° /5° 0 mm 1.3
21 Sept. Patchy rain possible
Patchy rain possible
 27° /10° 0.3 mm 0
22 Sept. Patchy rain possible
Patchy rain possible
 28° /18° 0.1 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 28° /18° 0.9 mm 5
24 Sept. Sunny
Sunny
 23° /12° 0 mm 5
25 Sept. Sunny
Sunny
 22° /11° 0 mm 5
26 Sept. Sunny
Sunny
 25° /14° 0 mm 5
27 Sept. Sunny
Sunny
 24° /14° 0 mm 5
28 Sept. Patchy rain possible
Patchy rain possible
 23° /14° 0.2 mm 4
29 Sept. Partly cloudy
Partly cloudy
 23° /14° 0 mm 5
30 Sept. Mist
Mist
 20° /12° 0 mm 5
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 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 Caledon during September?
Moderate rainfall is anticipated in Caledon during September, with a total of 58.2 mm spread over approximately 10 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 💧

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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