September in Downtown Vancouver averages a daily high of 19.4°C with nights around 12.3°C. Expect roughly 8.9 wet days totalling 79.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Downtown Vancouver is July–August.
Based on VANCOUVER HARBOUR CS, BC CA (1.9km), 1995–2024. 28 years of September data.