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Weather in Edmonton for September 2025

Your guide to Edmonton weather in September - trends and predictions
  • In general, the average temperature in Edmonton at the beginning of September is 23.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.4 °C by the end of September.

  • Edmonton sees moderate rainfall in September, averaging 7 rainy days.

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Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/7°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
61 %
Avg humidity

Edmonton in September average weather

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Temperatures trend during September in Edmonton

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° /12° 0 mm 7
2 Sept. Overcast
Overcast
30° /12° 0.2 mm 7
3 Sept. Patchy light drizzle
Patchy light drizzle
20° /12° 0.8 mm 5
4 Sept. Overcast
Overcast
18° /7° 0 mm 4
5 Sept. Thundery outbreaks possible
Thundery outbreaks possible
20° /6° 1.5 mm 5
6 Sept. Fog
Fog
24° /9° 1.9 mm 5
7 Sept. Thundery outbreaks possible
Thundery outbreaks possible
25° /11° 0.4 mm 7
8 Sept. Partly cloudy
Partly cloudy
28° /10° 0 mm 8
9 Sept. Fog
Fog
22° /8° 0 mm 6
10 Sept. Sunny
Sunny
23° /7° 0 mm 6
11 Sept. Overcast
Overcast
24° /9° 0.2 mm 6
12 Sept. Overcast
Overcast
19° /10° 4.9 mm 4
13 Sept. Cloudy
Cloudy
20° /9° 0 mm 5
14 Sept. Sunny
Sunny
18° /6° 0 mm 5
15 Sept. Sunny
Sunny
19° /6° 8.2 mm 5
16 Sept. Mist
Mist
25° /6° 0 mm 6
17 Sept. Cloudy
Cloudy
24° /7° 0 mm 6
18 Sept. Overcast
Overcast
21° /7° 0 mm 5
19 Sept. Cloudy
Cloudy
18° /2° 0 mm 5
20 Sept. Overcast
Overcast
14° /5° 2.9 mm 4
21 Sept. Sunny
Sunny
18° /2° 0 mm 5
22 Sept. Sunny
Sunny
21° /5° 0 mm 5
23 Sept. Cloudy
Cloudy
21° /8° 0 mm 5
24 Sept. Overcast
Overcast
22° /10° 0 mm 6
25 Sept. Cloudy
Cloudy
26° /9° 0 mm 6
26 Sept. Overcast
Overcast
21° /9° 0.1 mm 5
27 Sept. Patchy light rain with thunder
Patchy light rain with thunder
17° /4° 0.1 mm 4
28 Sept. Thundery outbreaks possible
Thundery outbreaks possible
16° /3° 0.2 mm 4
29 Sept. Light rain shower
Light rain shower
14° /5° 0.6 mm 4
30 Sept. Overcast
Overcast
13° /4° 0.7 mm 4
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Important Notice
Our weather forecast for Edmonton 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 Edmonton forecast closer to your planned date for the most up-to-date weather information.

Edmonton in September - FAQ

What are the expected maximum and minimum temperatures in Edmonton during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Edmonton during September?
Expect minimal rainfall in Edmonton during September, with a total of 11.6 mm over approximately 7 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Edmonton during September?
The average wind speed in Edmonton during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Edmonton

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

UV exposure in Edmonton during September

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

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Location coordinates Where is Edmonton?

Get accurate weather forecasts for Edmonton, located at latitude 53.55 and longitude -113.469. Stay updated with localized weather information tailored for Edmonton.

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