September in Fort McMurray averages a daily high of 16.7°C with nights around 4°C. Expect roughly 9 wet days totalling 38.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Fort McMurray is May–August.
Based on FORT MCMURRAY CS, AB CA (13.2km), 1995–2024. 27 years of September data.