Due to the proximity of the localities of the far north with the polar circle, temperatures quickly reach critical values, making the climate barely acceptable. Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for Banff, AB, CA with The Weather Network. However it starts to cool down in Banff from September onwards. Based on weather reports collected during 1985–2015. Banff National Park offers great hiking, with the warmest weather in July and August. This month can still expect on average 5 hours of sunshine per day. If you are thinking about visiting Jasper National Park in September and wondering if it is a good time to visit, you are in for a treat. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night -0°C (31°F) is normal. Check the current conditions and forecast here. This month can still expect on average 5 hours of sunshine per day. September is in the fall / autumn in Banff and is typically the 4th warmest month of the year. In Banff, you will have to also consider the wind chill; the wind makes it colder than a temperature gauge might show, so, if it is -10°C, it can feel like -20°C due to the wind. Winter hiking is possible with special footwear to places like Johnston Canyon's frozen waterfalls. Looking for the best things to see and do in Banff in September? Get the monthly weather forecast for Banff, Alberta, Canada, including daily high/low, historical averages, to help you plan ahead. However it starts to cool down in Banff from September onwards. Weather in Banff National Park in september 2020. As there are on average 11 days of rain in Banff in September, it is most recommended to walk around with umbrella and keep on update regarding the weather … Last year I came here a week earlier in September and passed close to 30 cars in the ditch due to an amazing storm and today I am walking around town in a light sweater. Get your 3-Day weather forecast for Banff, Alberta, Canada. September ushers in the yellows and golds of autumn. Hi/Low, RealFeel, precip, radar, & everything you need to be ready for the day, commute, and weekend! That said September is a great time of year to be here. Canadian Rockies Weather in September: Temperature, Snow & Precipitation Averages The tables here list the normal September temperatures, snowfall and precipitation at towns, lakes and other places in Canada's Rocky Mountain parks. Banff expects on average 6 hours of sunshine per day in May. The weather in Banff National Park in the month of september comes from statistical datas on the last years. All-in-all, the only major trade-off is the likelihood of cooler weather in September compared to July and August – though a given September … ... Not an easy coast into summer across Canada. Weather details in september. Last year I came here a week earlier in September and passed close to 30 cars in the ditch due to an amazing storm and today I am walking around town in a light sweater. The growing season in Banff typically lasts for 2.9 months (88 days), from around June 8 to around September 3, rarely starting before May 18 or after July 2, and rarely ending before August 10 or after September 22.