Auckland Weather in September
What's the weather like in Auckland (Auckland) in September 2025?
The climate in Auckland during September can be summarized as mild and damp.
September is in the spring in Auckland and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 9°C (49°F) is normal.
| Daytime temperature | 16.3°C 61.3°F |
|---|---|
| Nightly temperature | 9.4°C 48.8°F |
| Average temperature | 12.8°C 55°F |
| Daily sunshine | 5.3 hrs |
| Avg rainfall | 101 mm 4 ins |
| Rainy days | 18 days |
| Sea temperature | 15.1°C 59.1°F |
| Humidity | 80% |
| Windspeed | 12.6kph 8 mph |
On average September is the 6th wettest month of the year in Auckland with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.3 hours of sunshine per day.
September temperatures in Auckland
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Auckland in September 2025.
Other monthly averages
Best places to visit in September
Auckland weather stats
| Hottest month: | February | 23.4°C 74.1°F |
|---|---|---|
| Driest month: | January | 75mm 3ins |
| Sunniest month: | February | 7.4hrs |
| Coldest month: | July | 14.1°C 57.4°F |
| Wettest month: | July | 133mm 5.2ins |
© Google
Locations nearby
Top New Zealand locations
- Abel Tasman National Park
- Auckland
- Christchurch
- Dunedin
- Kaikoura
- Milford Sound
- Napier
- Nelson
- Queenstown
- Rotorua
- Taupo
- Wanaka
- Wellington