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Weather in Winnipeg for September 2025

Your guide to Winnipeg weather in September - trends and predictions

    Temperatures

  • 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.

    • 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
28°
2
Sunny
33°
3
Partly cloudy
34°
4
Heavy rain at times
31°
5
Light rain shower
20°
6
Mist
21°
7
Mist
26°
8
Overcast
28°
9
Cloudy
28°
10
Mist
26°
11
Patchy rain possible
21°
12
Sunny
26°
13
Overcast
26°
14
Overcast
27°
15
Moderate rain at times
25°
16
Overcast
23°
17
Mist
26°
18
Overcast
28°
19
Partly cloudy
26°
20
Cloudy
25°
21
Overcast
22°
22
Partly cloudy
24°
23
Light rain shower
22°
24
Heavy rain
21°
25
Patchy rain possible
22°
26
Partly cloudy
27°
27
Overcast
24°
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
 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
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 ☀️

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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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