New Zealand weather in September
New Zealand in September averages 11°C (52°F), 80 mm of rain and 4.9 hours of sun a day.
Of the twelve months in New Zealand, September is the fourth coldest, the sixth driest and the fourth dullest.

- Average temp
- 11°C (52°F)
7–15°C · 45–58°F
- Rainfall
- 80 mm
Showers likely
- Sunshine
- 4.9 h
hours per day
What is New Zealand like in September?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for New Zealand in September?
A light rain jacket
About 80 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 7°C (45°F).
September compared with August and October
September in New Zealand is 1.5°C warmer than August and about as wet as it, which averages 10°C (49°F).
September in New Zealand is 1.6°C cooler than October and about as wet as it, which averages 13°C (55°F).
Daylight in New Zealand in September
On 15 September the sun is up for 11 hours 48 minutes in New Zealand, rising about 06:22 and setting about 18:10 local time.
September ends 1 hour 18 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 3 hours 20 minutes short of December, the longest-lit month here.
Travel guides for New Zealand
What to read before you book.
New Zealand weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 17°C / 63°F | 57 mm |
| February | 17°C / 63°F | 55 mm |
| March | 16°C / 60°F | 77 mm |
| April | 14°C / 56°F | 83 mm |
| May | 12°C / 54°F | 98 mm |
| June | 10°C / 50°F | 105 mm |
| July | 9°C / 48°F | 116 mm |
| August | 10°C / 49°F | 87 mm |
| September | 11°C / 52°F | 80 mm |
| October | 13°C / 55°F | 86 mm |
| November | 14°C / 57°F | 73 mm |
| December | 16°C / 61°F | 71 mm |
Check another month
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FAQs about New Zealand in September
September climate averages for New Zealand, 1991–2020.
New Zealand averages 11°C (52°F) in September, ranging from about 7°C (45°F) at night to 15°C (58°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 80 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
No. September averages 11°C (52°F) against 13°C (55°F) in October — 1.6°C cooler.
September is 1.5°C warmer than August, and about as wet.
It is outside the easiest window. The most comfortable stretch here is November to April; September sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 4.9 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 11 hours 48 minutes of daylight in mid-September, against 15 hours 8 minutes in December and 9 hours 12 minutes in June.
On 15 September, sunrise is about 06:22 and sunset about 18:10 local time. Both shift across the month — the month ends 1 hour 18 minutes longer than it starts.








