September in Manukau City averages a daily high of 16.9°C. Expect roughly 16.7 wet days totalling 103.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Manukau City is November–March.
Based on AUCKLAND AERO AWS, NZ (7.1km), 1995–2024. 21 years of September data.