Auckland Weather in September
In September, Auckland averages a high of 17°C (62°F) and a low of 9°C (49°F), from 23 years of daily records (2003–2026).
17°C
Average high
62°F
9°C
Average low
49°F
23°C
Record high
73°F · September 21, 2023
2°C
Record low
36°F · September 13, 2012
What September Is Like in Auckland
- 8 of the 10 warmest Septembers on record in Auckland have come since 2012.
- September 2026 was the 4th warmest September in 23 years of records, 0.4°C (0.7°F) above the long-run average.
- The warmest September in the record was 2025; the coldest was 2011.
At least 1 mm of rain falls on 40% of September days, and the month averages 105 mm in total.
Warmest: 2023 (18.1°C)Latest: 2026 (16.4°C)10-year averageLong-run average (16.9°C)
Look Up a Day in September
See the weather in Auckland on any September date, year by year.
Source: NOAA GHCN-Daily, Auckland Aero Aws (2002–2026). Averages cover 2003–2026. How we compute this