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Canada weather

Weather in Mississauga for September 2027

Your guide to Mississauga weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Mississauga at the beginning of September is 24.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.1 °C by the end of September.

    • Rain 🌧️

  • Mississauga experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 71.1 mm.

    • More

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

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

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/14°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Mississauga Weather September

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

Temperatures trend during September in Mississauga

See the weather trend as well as the moving average line

September weather in Mississauga day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 26° /16° 1.7 mm 6
2 Sept. Moderate rain
Moderate rain
 25° /15° 14.2 mm 4
3 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 27° /16° 0.3 mm 6
4 Sept. Light rain
Light rain
 26° /17° 5.8 mm 6
5 Sept. Sunny
Sunny
 26° /16° 0 mm 7
6 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 24° /16° 3.1 mm 6
7 Sept. Light rain
Light rain
 20° /14° 2.8 mm 5
8 Sept. Overcast
Overcast
 22° /12° 0 mm 4
9 Sept. Light rain
Light rain
 23° /14° 3.5 mm 4
10 Sept. Overcast
Overcast
 23° /14° 0.4 mm 5
11 Sept. Patchy rain possible
Patchy rain possible
 24° /14° 0.1 mm 6
12 Sept. Light rain shower
Light rain shower
 24° /14° 1.2 mm 6
13 Sept. Overcast
Overcast
 24° /15° 0.1 mm 5
14 Sept. Partly cloudy
Partly cloudy
 23° /13° 0 mm 6
15 Sept. Sunny
Sunny
 24° /14° 0.3 mm 5
16 Sept. Mist
Mist
 25° /14° 0 mm 5
17 Sept. Patchy rain possible
Patchy rain possible
 24° /15° 1.2 mm 5
18 Sept. Mist
Mist
 24° /14° 0 mm 5
19 Sept. Cloudy
Cloudy
 21° /12° 0 mm 4
20 Sept. Cloudy
Cloudy
 21° /12° 0 mm 4
21 Sept. Overcast
Overcast
 21° /14° 0 mm 4
22 Sept. Moderate rain
Moderate rain
 21° /14° 12.4 mm 5
23 Sept. Light rain
Light rain
 21° /15° 4.3 mm 5
24 Sept. Light rain
Light rain
 19° /15° 6.8 mm 5
25 Sept. Moderate rain
Moderate rain
 23° /14° 11.5 mm 5
26 Sept. Mist
Mist
 23° /14° 0.4 mm 5
27 Sept. Fog
Fog
 21° /13° 0 mm 5
28 Sept. Patchy rain possible
Patchy rain possible
 20° /14° 0.1 mm 4
29 Sept. Overcast
Overcast
 22° /14° 0.8 mm 5
30 Sept. Overcast
Overcast
 21° /14° 0 mm 4
Next
Important Notice
Our weather forecast for Mississauga 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 Mississauga forecast closer to your planned date for the most up-to-date weather information.
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Mississauga in September - FAQ

What are the expected maximum and minimum temperatures in Mississauga during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Mississauga during September?
Moderate rainfall is anticipated in Mississauga during September, with a total of 71.1 mm spread over approximately 6 days. Considering plans for rainy days is advisable.

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

September rainfall patterns in Mississauga

Explore the daily rainfall trends and prepare for Mississaugas September weather 💧
Typically, Mississauga has 6 rainy days in September with a total of 71.1 mm of rainfall.

UV exposure in Mississauga during September

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

Get accurate weather forecasts for Mississauga, located at latitude 43.579 and longitude -79.658. Stay updated with localized weather information tailored for Mississauga.

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