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 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.
With an average of 5 rainy days, Edmonton experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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25
Dry days
5
Rainy days
0
Snow days
21°/8°
Temperatures
19 km/h
Avg max wind
59 %
Avg humidity
Edmonton in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2  30° | 3  20° | 4 18° | 5  20° | 6  24° | 7 25° |
| 8  28° | 9 22° | 10  23° | 11 24° | 12 19° | 13 20° | 14 18° |
| 15 19° | 16 25° | 17 24° | 18 21° | 19 18° | 20 14° | 21 18° |
| 22 21° | 23 21° | 24 22° | 25 26° | 26 21° | 27  17° | 28 16° |
| 29  14° | 30 13° |
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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 | 28° /12° | 0 mm | 7 | |
| 2 Sept. | Overcast | 30° /12° | 0.2 mm | 7 | |
| 3 Sept. | Patchy light drizzle | 20° /12° | 0.8 mm | 5 | |
| 4 Sept. | Overcast | 18° /7° | 0 mm | 4 | |
| 5 Sept. | Thundery outbreaks possible | 20° /6° | 1.5 mm | 5 | |
| 6 Sept. | Fog | 24° /9° | 1.9 mm | 5 | |
| 7 Sept. | Thundery outbreaks possible | 25° /11° | 0.4 mm | 7 | |
| 8 Sept. | Partly cloudy | 28° /10° | 0 mm | 8 | |
| 9 Sept. | Fog | 22° /8° | 0 mm | 6 | |
| 10 Sept. | Sunny | 23° /7° | 0 mm | 6 | |
| 11 Sept. | Overcast | 24° /9° | 0.2 mm | 6 | |
| 12 Sept. | Overcast | 19° /10° | 4.9 mm | 4 | |
| 13 Sept. | Cloudy | 20° /9° | 0 mm | 5 | |
| 14 Sept. | Sunny | 18° /6° | 0 mm | 5 | |
| 15 Sept. | Sunny | 19° /6° | 8.2 mm | 5 | |
| 16 Sept. | Mist | 25° /6° | 0 mm | 6 | |
| 17 Sept. | Cloudy | 24° /7° | 0 mm | 6 | |
| 18 Sept. | Overcast | 21° /7° | 0 mm | 5 | |
| 19 Sept. | Cloudy | 18° /2° | 0 mm | 5 | |
| 20 Sept. | Overcast | 14° /5° | 2.9 mm | 4 | |
| 21 Sept. | Sunny | 18° /2° | 0 mm | 5 | |
| 22 Sept. | Sunny | 21° /5° | 0 mm | 5 | |
| 23 Sept. | Cloudy | 21° /8° | 0 mm | 5 | |
| 24 Sept. | Overcast | 22° /10° | 0 mm | 6 | |
| 25 Sept. | Cloudy | 26° /9° | 0 mm | 6 | |
| 26 Sept. | Overcast | 21° /9° | 0.1 mm | 5 | |
| 27 Sept. | Patchy light rain with thunder | 17° /4° | 0.1 mm | 4 | |
| 28 Sept. | Thundery outbreaks possible | 16° /3° | 0.2 mm | 4 | |
| 29 Sept. | Light rain shower | 14° /5° | 0.6 mm | 4 | |
| 30 Sept. | 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 8°. 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 22.8 mm across approximately 5 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 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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