September in Vancouver averages a daily high of 24.5°C with nights around 11.3°C. Expect roughly 7.3 wet days totalling 38.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Vancouver is July–September.
Based on VANCOUVER PEARSON AIRPORT, WA US (2km), 1995–2024. 27 years of September data.