Edmonton
September
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 24 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.3 °C by the end of September.
Edmonton sees moderate rainfall in September, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
22°/14°
Temperatures
20 km/h
Avg max wind
69 %
Avg humidity
Edmonton in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  23° | 3 23° | 4  22° | 5  23° | 6 27° | 7 26° |
| 8  24° | 9 24° | 10 24° | 11 20° | 12 17° | 13 17° | 14 20° |
| 15 22° | 16 22° | 17  21° | 18 22° | 19 21° | 20  20° | 21 20° |
| 22 18° | 23 17° | 24 18° | 25 19° | 26  19° | 27 16° | 28 16° |
| 29 16° | 30 17° |
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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. | Overcast | 24° /14° | 4.2 mm | 5 | |
| 2 Sept. | Patchy rain possible | 23° /16° | 0.3 mm | 5 | |
| 3 Sept. | Overcast | 23° /13° | 1.2 mm | 5 | |
| 4 Sept. | Sunny | 22° /13° | 4.6 mm | 6 | |
| 5 Sept. | Cloudy | 23° /14° | 3.3 mm | 5 | |
| 6 Sept. | Sunny | 27° /16° | 1.2 mm | 7 | |
| 7 Sept. | Sunny | 26° /16° | 3.3 mm | 7 | |
| 8 Sept. | Partly cloudy | 24° /16° | 6.2 mm | 6 | |
| 9 Sept. | Sunny | 24° /15° | 0 mm | 6 | |
| 10 Sept. | Partly cloudy | 24° /14° | 1.6 mm | 6 | |
| 11 Sept. | Cloudy | 20° /12° | 0.7 mm | 5 | |
| 12 Sept. | Overcast | 17° /10° | 0.2 mm | 4 | |
| 13 Sept. | Overcast | 17° /9° | 0 mm | 4 | |
| 14 Sept. | Partly cloudy | 20° /10° | 0 mm | 6 | |
| 15 Sept. | Sunny | 22° /12° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 22° /12° | 0 mm | 6 | |
| 17 Sept. | Patchy light rain | 21° /12° | 0.9 mm | 6 | |
| 18 Sept. | Light rain shower | 22° /12° | 5.2 mm | 5 | |
| 19 Sept. | Light rain | 21° /13° | 1.2 mm | 5 | |
| 20 Sept. | Moderate or heavy rain shower | 20° /14° | 12.5 mm | 5 | |
| 21 Sept. | Light rain shower | 20° /12° | 2.7 mm | 5 | |
| 22 Sept. | Light rain shower | 18° /12° | 9.9 mm | 5 | |
| 23 Sept. | Patchy rain possible | 17° /11° | 0.3 mm | 4 | |
| 24 Sept. | Cloudy | 18° /12° | 1.5 mm | 4 | |
| 25 Sept. | Overcast | 19° /12° | 1.4 mm | 5 | |
| 26 Sept. | Thundery outbreaks possible | 19° /12° | 4.3 mm | 5 | |
| 27 Sept. | Patchy rain possible | 16° /10° | 4.3 mm | 4 | |
| 28 Sept. | Overcast | 16° /9° | 0 mm | 4 | |
| 29 Sept. | Patchy rain possible | 16° /10° | 1.2 mm | 4 | |
| 30 Sept. | Partly cloudy | 17° /10° | 10.8 mm | 5 | |
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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 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Edmonton during September?
In September, Edmonton can expect light to moderate rainfall, totaling 46.9 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Edmonton during September?
The average wind speed in Edmonton during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
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