Canmore, Alberta 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: June – September
Best for skiing: March – April
What is the weather like in Canmore, Alberta in September?
In September, Canmore, Alberta is cool: daytime highs average 16 °C, and nights cool down to about 4 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 58 mm in total. Snow falls on about 2 days. All in all, September is an excellent month for a holiday in Canmore, Alberta.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 81 | 80 | 39 |
| Day | 21° | 16° | 8° |
| Night | 8° | 4° | −3° |
| Sun | 8 h | 7 h | 5 h |
| Rain days | 11 | 9 | 7 |
More details for September
- Daylight
- 12 h 44 min07:15 – 19:59
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 52 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 2 days1 cm or more of fresh snowAll months
- Time zone
- UTC−6America/Edmonton
How the score comes together
- Temperatureweight 50 %97 %
- Sunshineweight 20 %60 %
- Few rainy daysweight 30 %64 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.
What to pack in September
- Sunscreen
- A jumper for the evenings
- Hat, scarf & gloves
- Rain jacket or umbrella
Canmore, Alberta in September: quick answers
Is Canmore, Alberta hot in September?
No. In September, Canmore, Alberta is cool: daytime highs average 16 °C and nights drop to about 4 °C.
Does it rain much in Canmore, Alberta in September?
Rain is frequent, with about 9 rainy days and 58 mm in total.
Canmore, Alberta month by month
The whole year in Canmore, AlbertaAll 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