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Weather in Winnipeg for September 2025

Your guide to Winnipeg weather in September - trends and predictions
  • In general, the average temperature in Winnipeg at the beginning of September is 27.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24 °C by the end of September.

  • Winnipeg sees moderate rainfall in September, averaging 8 rainy days.

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Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/11°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
58 %
Avg humidity

Winnipeg in September average weather

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Temperatures trend during September in Winnipeg

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Cloudy
Cloudy
28° /13° 0 mm 7
2 Sept. Sunny
Sunny
33° /15° 0 mm 8
3 Sept. Partly cloudy
Partly cloudy
34° /16° 0 mm 8
4 Sept. Heavy rain at times
Heavy rain at times
31° /18° 1 mm 7
5 Sept. Light rain shower
Light rain shower
20° /13° 1.9 mm 5
6 Sept. Mist
Mist
21° /8° 0.3 mm 6
7 Sept. Mist
Mist
26° /9° 0 mm 6
8 Sept. Overcast
Overcast
28° /13° 0 mm 7
9 Sept. Cloudy
Cloudy
28° /14° 0 mm 7
10 Sept. Mist
Mist
26° /12° 0 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
21° /12° 1 mm 5
12 Sept. Sunny
Sunny
26° /11° 0 mm 7
13 Sept. Overcast
Overcast
26° /14° 0.4 mm 6
14 Sept. Overcast
Overcast
27° /13° 0.3 mm 7
15 Sept. Moderate rain at times
Moderate rain at times
25° /14° 2.7 mm 6
16 Sept. Overcast
Overcast
23° /14° 0.5 mm 5
17 Sept. Mist
Mist
26° /12° 61.6 mm 6
18 Sept. Overcast
Overcast
28° /16° 0 mm 6
19 Sept. Partly cloudy
Partly cloudy
26° /16° 0 mm 7
20 Sept. Cloudy
Cloudy
25° /12° 0 mm 6
21 Sept. Overcast
Overcast
22° /11° 0 mm 5
22 Sept. Partly cloudy
Partly cloudy
24° /8° 0.2 mm 6
23 Sept. Light rain shower
Light rain shower
22° /11° 0.9 mm 5
24 Sept. Heavy rain
Heavy rain
21° /13° 14.7 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
22° /12° 0 mm 6
26 Sept. Partly cloudy
Partly cloudy
27° /13° 0 mm 7
27 Sept. Overcast
Overcast
24° /12° 0 mm 6
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
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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.

Winnipeg in September - FAQ

What are the expected maximum and minimum temperatures in Winnipeg during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 11°. 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 65.1 mm spread over approximately 8 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 21 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 ☀️

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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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