The temperatures in New Zealand in September are usually low and can range between 11°C and 15°C.
You can expect about 3 to 8 days of rain in New Zealand during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in New Zealand in September 2025.
If you’re planning to visit New Zealand in the near future, we highly recommend that you review the 14 day weather forecast for New Zealand before you arrive.