Banff Weather September 2025. Realistically what will the weather be like around this time? Expect 13°c daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in banff in september.

It is possible that it could snow, especially up at higher elevations but snow down to the low elevations of the townsites is pretty rare at. Are you planning a holiday with hopefully nice weather in banff national park in september 2025?