Edmonton weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Excellent
Best time to visit: May – September
What is the weather like in Edmonton in September?
In September, Edmonton is mild: daytime highs average 17 °C, and nights cool down to about 7 °C. The sun shines for around 7 hours a day. Rain falls on about 7 days, adding up to 36 mm. All in all, September is an excellent month for a holiday in Edmonton.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 87 | 81 | 38 |
| Day | 22° | 17° | 9° |
| Night | 12° | 7° | 0° |
| Sun | 9 h | 7 h | 5 h |
| Rain days | 10 | 7 | 6 |
More details for September
- Daylight
- 12 h 48 min07:05 – 19:53
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 52 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−6America/Edmonton
How the score comes together
- Temperatureweight 50 %87 %
- Sunshineweight 20 %67 %
- Few rainy daysweight 30 %81 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- A jumper for the evenings
Edmonton in September: quick answers
Is Edmonton hot in September?
No. In September, Edmonton is mild: daytime highs average 17 °C and nights drop to about 7 °C.
Does it rain much in Edmonton in September?
Rain falls on about 7 days, adding up to 36 mm.
Edmonton month by month
The whole year in EdmontonAll destinations: CanadaWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences