September in Burnaby averages a daily high of 18.4°C with nights around 11.1°C. Expect roughly 11.4 wet days totalling 107.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Burnaby is July–August.
Based on BURNABY SIMON FRASER U, BC CA (3.2km), 1995–2024. 15 years of September data.