September in Aurora averages a daily high of 22.7°C with nights around 11.6°C. Expect roughly 9.4 wet days totalling 77mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Aurora is May–September.
Based on TORONTO NORTH YORK, ON CA (24.1km), 1995–2024. 26 years of September data.