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Canada weather

Weather in Markham for September 2027

Your guide to Markham weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Markham at the beginning of September is 24.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.6 °C by the end of September.

    • Rain 🌧️

  • With an average of 5 rainy days, Markham experiences minimal rainfall in September.

    • More

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

  • ✨ Is September a good time to visit Markham? – Ask the AI Weatherman

Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/13°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Markham Weather September

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

Temperatures trend during September in Markham

See the weather trend as well as the moving average line

September weather in Markham 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° /14° 0.2 mm 6
2 Sept. Moderate rain
Moderate rain
 24° /15° 21.1 mm 5
3 Sept. Partly cloudy
Partly cloudy
 27° /15° 0 mm 7
4 Sept. Light rain
Light rain
 26° /16° 6 mm 7
5 Sept. Sunny
Sunny
 26° /15° 0 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
 24° /16° 2.4 mm 6
7 Sept. Light rain
Light rain
 20° /13° 2.6 mm 4
8 Sept. Overcast
Overcast
 21° /10° 0 mm 4
9 Sept. Light rain
Light rain
 22° /12° 4 mm 4
10 Sept. Overcast
Overcast
 23° /13° 0.3 mm 6
11 Sept. Overcast
Overcast
 24° /14° 0.1 mm 6
12 Sept. Fog
Fog
 24° /14° 0.5 mm 6
13 Sept. Overcast
Overcast
 23° /14° 0.1 mm 5
14 Sept. Cloudy
Cloudy
 23° /13° 0 mm 6
15 Sept. Partly cloudy
Partly cloudy
 23° /14° 0.3 mm 5
16 Sept. Overcast
Overcast
 25° /14° 0 mm 5
17 Sept. Overcast
Overcast
 23° /14° 0.5 mm 4
18 Sept. Mist
Mist
 23° /13° 0 mm 5
19 Sept. Overcast
Overcast
 21° /11° 0 mm 5
20 Sept. Partly cloudy
Partly cloudy
 22° /10° 0 mm 4
21 Sept. Overcast
Overcast
 21° /13° 0 mm 4
22 Sept. Moderate rain
Moderate rain
 21° /13° 16.6 mm 5
23 Sept. Light rain
Light rain
 21° /14° 8 mm 5
24 Sept. Light rain
Light rain
 20° /14° 2.9 mm 5
25 Sept. Moderate rain
Moderate rain
 23° /14° 14.6 mm 5
26 Sept. Overcast
Overcast
 21° /13° 0 mm 4
27 Sept. Overcast
Overcast
 20° /13° 0 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 19° /13° 0.6 mm 4
29 Sept. Mist
Mist
 21° /13° 0.1 mm 4
30 Sept. Overcast
Overcast
 20° /13° 0 mm 4
Next
Important Notice
Our weather forecast for Markham 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 Markham forecast closer to your planned date for the most up-to-date weather information.
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Markham in September - FAQ

What are the expected maximum and minimum temperatures in Markham during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Markham during September?
Moderate rainfall is anticipated in Markham during September, with a total of 80.8 mm spread over approximately 5 days. Considering plans for rainy days is advisable.

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

September rainfall patterns in Markham

Explore the daily rainfall trends and prepare for Markhams September weather 💧
Typically, Markham has 5 rainy days in September with a total of 80.8 mm of rainfall.

UV exposure in Markham during September

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

Get accurate weather forecasts for Markham, located at latitude 43.867 and longitude -79.266. Stay updated with localized weather information tailored for Markham.

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