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Weather in Edmonton for September 2026

Your guide to Edmonton weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Edmonton is slightly cooler than the historical average by 1.4 °C.

  • Expect cooler weather in the next days in Edmonton with the forecast suggesting a temperature of 20.4 °C, lower than the historical average.

  • In general, the average temperature in Edmonton at the beginning of September is 22.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.6 °C by the end of September.

    • Rain 🌧️

  • Edmonton in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 67.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/12°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Edmonton Weather September

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

Temperatures trend during September in Edmonton

See the weather trend as well as the moving average line

September weather in Edmonton day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
 22° /13° 2.7 mm 5
2 Sept. Patchy rain possible
Patchy rain possible
 22° /14° 1.4 mm 4
3 Sept. Overcast
Overcast
 23° /14° 2.5 mm 4
4 Sept. Sunny
Sunny
 21° /13° 4.4 mm 4
5 Sept. Cloudy
Cloudy
 22° /13° 1.6 mm 5
6 Sept. Overcast
Overcast
 25° /15° 0.6 mm 5
7 Sept. Sunny
Sunny
 25° /15° 1.8 mm 5
8 Sept. Partly cloudy
Partly cloudy
 22° /14° 6.2 mm 5
9 Sept. Overcast
Overcast
 22° /13° 0 mm 5
10 Sept. Light rain shower
Light rain shower
 22° /12° 1.4 mm 4
11 Sept. Patchy rain possible
Patchy rain possible
 22° /15° 2.7 mm 3.9
12 Sept. Overcast
Overcast
 24° /13° 0.1 mm 4.2
13 Sept. Patchy rain possible
Patchy rain possible
 23° /17° 13.4 mm 3.4
14 Sept. Overcast
Overcast
 25° /15° 0 mm 3.9
15 Sept. Sunny
Sunny
 25° /15° 0.2 mm 7
16 Sept. Overcast
Overcast
 17° /11° 0 mm 4
17 Sept. Overcast
Overcast
 15° /10° 0.9 mm 4
18 Sept. Mist
Mist
 20° /11° 0.7 mm 5
19 Sept. Sunny
Sunny
 18° /10° 5.3 mm 5
20 Sept. Sunny
Sunny
 19° /11° 0.3 mm 5
21 Sept. Sunny
Sunny
 17° /11° 0 mm 5
22 Sept. Sunny
Sunny
 18° /7° 0 mm 5
23 Sept. Sunny
Sunny
 23° /11° 0 mm 6
24 Sept. Patchy rain possible
Patchy rain possible
 19° /12° 0.9 mm 4
25 Sept. Overcast
Overcast
 18° /11° 0.9 mm 4
26 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 18° /10° 3 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
 17° /9° 2.9 mm 4
28 Sept. Cloudy
Cloudy
 17° /9° 0 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
 17° /9° 0.8 mm 4
30 Sept. Partly cloudy
Partly cloudy
 17° /10° 7.2 mm 5
Next
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.
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Edmonton in September - FAQ

What are the expected maximum and minimum temperatures in Edmonton during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Edmonton during September?
Moderate rainfall is anticipated in Edmonton during September, with a total of 67.4 mm spread over approximately 19 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Edmonton during September?
The average wind speed in Edmonton during September is 21 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 💧
Typically, Edmonton has 19 rainy days in September with a total of 67.4 mm of rainfall.

UV exposure in Edmonton during September

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

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Get accurate weather forecasts for Edmonton, located at latitude 51.626 and longitude -0.058. Stay updated with localized weather information tailored for Edmonton.

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