September in Guildford averages a daily high of 21.5°C with nights around 10°C. Expect roughly 8.9 wet days totalling 90.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Guildford is June–September.
Based on PITT MEADOWS CS, BC CA (8.5km), 1995–2024. 28 years of September data.