September long weekend forecast for Edmonton: clouds, rain, below-average temps
Friday high 19°C with 30% shower chance; Saturday overcast at 15°C; Sunday evening showers; Labour Day 16°C with 60% rain chance.
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Edmonton's September long weekend looks like a familiar mix of clouds and rain, with temperatures hovering around or below the seasonal average.
Environment and Climate Change Canada forecasts Friday, Sept. 4 with a high of 19°C and a 30% chance of showers, dropping to 10°C overnight. Saturday will be overcast with a high of 15°C and a low of 10°C. Sunday brings a high of 18°C with showers expected in the evening and a low of 12°C. Labour Day Monday will reach 16°C with a 60% chance of showers.
For context, Edmonton's average daytime high in September sits around 18°C, with overnight lows averaging around 5°C — so this weekend will be close to typical for the month.
Beyond the long weekend, Environment Canada's September forecast predicts above-average temperatures and below-average precipitation, with the biggest shifts expected in the latter half of the month. The U.S.-based OpenSnow early winter forecast for Alberta suggests above-normal temperatures ahead, while the Farmers' Almanac Canada winter forecast for Alberta predicts a season of dramatic contrasts for 2026–2027.
