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This report shows the past weather for Banff, Alta., providing a weather history for September 2021. It features all historical weather data series we have available, including the Banff, Alta. temperature history for September 2021.
September 2021 Weather History in Banff Alberta, Canada. The data for this report comes from the Banff Marine Aviation Reporting Station. See all nearby weather stations. This report shows the past weather for Banff, providing a weather history for September 2021.
Get the monthly weather forecast for Banff, Alberta, Canada, including daily high/low, historical averages, to help you plan ahead.
Check accurate weather in September in Banff. Expect Banff September temperature around 12°C (54°F). Read clothing tips & recommended activities.
September Weather in Banff National Park of Canada Alberta, Canada. Daily high temperatures decrease by 10°F, from 64°F to 53°F, rarely falling below 42°F or exceeding 75°F. Daily low temperatures decrease by 7°F, from 44°F to 37°F, rarely falling below 28°F or exceeding 51°F.
Climate & Weather Averages in Banff, Alberta, Canada. Currently: 56 °F. Refreshingly cool. (Weather station: Banff Marine, Canada). See more current weather.
The average daytime temperatures are around 16°C (about 61°F), whereas the average minimum temperatures during the night tend to be around 3°C (about 37°C). You may also want to carry a protective waterproof jacket with you, as the rainfall expected over September is on average 42.1mm over 13 days.
