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Weather in Winnipeg for September 2025

Your guide to Winnipeg weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Winnipeg is cooler than usual, with temperatures averaging 20.3 °C, this is -4.7 °C below the typical seasonal average.

  • The forecast for the next days in Winnipeg predicts temperatures to be around 24 °C, close to the historical average.

  • In general, the average temperature in Winnipeg at the beginning of September is 24.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 23.6 °C by the end of September.

    • Rain 🌧️

  • Winnipeg experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 96.7 mm.

    • More

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Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/13°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
56 %
Avg humidity

Winnipeg Weather September

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

Temperatures trend during September in Winnipeg

See the weather trend as well as the moving average line

September weather in Winnipeg day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Cloudy
Cloudy
 29° /15° 1.5 mm 7
2 Sept. Sunny
Sunny
 28° /14° 0 mm 6
3 Sept. Partly cloudy
Partly cloudy
 27° /13° 2.4 mm 6
4 Sept. Heavy rain at times
Heavy rain at times
 24° /13° 5.3 mm 5
5 Sept. Light rain shower
Light rain shower
 18° /10° 2.9 mm 4
6 Sept. Mist
Mist
 19° /8° 0.2 mm 5
7 Sept. Mist
Mist
 24° /7° 0 mm 6
8 Sept. Overcast
Overcast
 27° /11° 0 mm 6
9 Sept. Cloudy
Cloudy
 28° /14° 0 mm 7
10 Sept. Mist
Mist
 27° /11° 0 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 23° /13° 0.7 mm 5
12 Sept. Sunny
Sunny
 25° /13° 0 mm 6
13 Sept. Overcast
Overcast
 25° /14° 0.3 mm 5
14 Sept. Overcast
Overcast
 24° /17° 0 mm 1.2
15 Sept. Overcast
Overcast
 24° /18° 0 mm 1.1
16 Sept. Overcast
Overcast
 25° /17° 0 mm 1
17 Sept. Partly cloudy
Partly cloudy
 25° /15° 0 mm 0.3
18 Sept. Sunny
Sunny
 24° /13° 0 mm 0
19 Sept. Sunny
Sunny
 25° /13° 0 mm 5
20 Sept. Cloudy
Cloudy
 26° /15° 0 mm 5
21 Sept. Cloudy
Cloudy
 26° /19° 0 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
 27° /19° 2 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 21° /16° 3.7 mm 4
24 Sept. Patchy rain possible
Patchy rain possible
 21° /14° 0.2 mm 4
25 Sept. Cloudy
Cloudy
 23° /18° 0 mm 4
26 Sept. Sunny
Sunny
 25° /16° 0 mm 5
27 Sept. Patchy rain possible
Patchy rain possible
 22° /13° 2.8 mm 4
28 Sept. Light rain shower
Light rain shower
 24° /13° 11.1 mm 6
29 Sept. Mist
Mist
 27° /8° 0 mm 7
30 Sept. Partly cloudy
Partly cloudy
 23° /11° 0 mm 6
Next
Important Notice
Our weather forecast for Winnipeg 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 Winnipeg forecast closer to your planned date for the most up-to-date weather information.
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Winnipeg in September - FAQ

What are the expected maximum and minimum temperatures in Winnipeg during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Winnipeg during September?
Moderate rainfall is anticipated in Winnipeg during September, with a total of 96.7 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Winnipeg during September?
The average wind speed in Winnipeg during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Winnipeg

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

UV exposure in Winnipeg during September

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

Quick links

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Location coordinates Where is Winnipeg?

Get accurate weather forecasts for Winnipeg, located at latitude 49.884 and longitude -97.147. Stay updated with localized weather information tailored for Winnipeg.

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