Auckland weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Fair
Best time to visit: November – April
What is the weather like in Auckland in September?
In September, Auckland is cool: daytime highs average 15 °C, and nights cool down to about 10 °C. The sea averages 14.5 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 13 rainy days and 97 mm in total. All in all, September is a so-so month for a holiday in Auckland.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 50 | 59 | 69 |
| Day | 14° | 15° | 17° |
| Night | 9° | 10° | 12° |
| Sea | 14° | 15° | 16° |
| Sun | 6 h | 7 h | 7 h |
| Rain days | 14 | 13 | 13 |
More details for September
- Daylight
- 11 h 48 min06:22 – 18:10
- UV index
- 6 · highclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 26 km/haverage daily peak
- Cloud cover
- 61 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+12Pacific/Auckland
How the score comes together
- Temperatureweight 50 %73 %
- Sunshineweight 20 %62 %
- Few rainy daysweight 30 %34 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Auckland in September: quick answers
Is Auckland hot in September?
No. In September, Auckland is cool: daytime highs average 15 °C and nights drop to about 10 °C.
Can you swim in Auckland in September?
Only if you don't mind cold water: in September the sea averages just 14.5 °C. Comfortable swimming is possible from January to March.
Does it rain much in Auckland in September?
Rain is frequent, with about 13 rainy days and 97 mm in total.
Auckland month by month
The whole year in AucklandAll destinations: New Zealand
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)