New Zealand · 1991–2020 normal

New Plymouth in
September.

Typical September weather in New Plymouth: 15°C by day, 7.7°C at night, 117 mm of rain over 13.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high15°C
Typical low7.7°C
Rain117 mm
Wet days13.8

In the year-round weather comparison, September scores 36 out of 100 (January leads the year at 79). Daylight is calculated as 11 h 54 from latitude -39.07°. Open-water sea temperature is 13.7°C (19 km from the place centre).

September at a glance

What is New Plymouth like in September?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is New Plymouth hot in September?

Days are typically cool at 15°C, while nights average 7.7°C.

Does it rain much?

The measured monthly average is 117 mm across about 14 wet days.

How much daylight is there?

There are about 11 h 54 between sunrise and sunset at mid-month, calculated from the place latitude.

Is September a good time to visit?

September ranks 9 of 12 in our weather comparison; January ranks first.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 2186239
NOAA station
NZ000933090 · NEW PLYMOUTH AWS
Station distance
10.2 km from the place centre
Coverage
Strong coverage · 26 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
Then plan the details.

The weather comparison for New Plymouth is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

How travel partnerships will work