What's the weather like in Banff in September?Sitting in the southeast of Canada in the country’s spectacular Rocky Mountains, Banff is a lively town and a great base for getting to some of Canada’s best ski resorts. September falls outside of the main ski season, and temperatures can be fairly warm at this time of year. If you prefer to go hiking or mountain biking this is the perfect month to go on holiday to Banff.
AveragesThe average temperature’s a mild 11ºC in Banff during September, reaching a pleasant high of 18ºC in the warmest part of the day. Things get quite chilly after dark, and with an average low of 3ºC you’ll need to bring some warmer layers for evenings out in the resort. Around 40mm of rain’s forecast over the course of the month, while there are five hours of sunshine each day for you to explore the beautiful local area.