September in Pittwater averages a daily high of 20.7°C with nights around 11°C. Expect roughly 7.8 wet days totalling 65.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Pittwater is August–January.
Based on TERREY HILLS AWS, AS (7.6km), 1995–2024. 20 years of September data.