September verdict

New Zealand in September

Weather score20Poor

Poor for holiday weather

Average highs are around 14°C, so pack for cooler days. Sunshine averages 4.6h per day, so this is not one of the brighter months. Rainfall averages 145mm, so some wet days are possible.

Auckland, New Zealand, New Zealand travel weather guide
Photo by Eric Feng on Unsplash

September weather

Monthly averages

Temp

14°C

Rain

145mm

Sun

4.6h

Sea

11°C

Weather score

20

Poor

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Cool

Average highs are around 14°C, so pack for cooler days.

Showers

Rainfall averages 145mm, so some wet days are possible.

Limited sun

Sunshine averages 4.6h per day, so this is not one of the brighter months.

Cool sea

Sea temperatures average 11°C, so the water can feel cool.

Map

Weather map

Compare New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

View on map

September14°C average high

September is on the cooler side of New Zealand's year, useful if you prefer less intense daytime heat.

Warmest monthsJanuary to March and December

This stretch sets the upper range for average daytime heat.

September145mm average rain

September is wetter than New Zealand's yearly average, so flexible plans matter more.

Driest monthsJanuary to February and November

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

September4.6 hours average sun

September sits close to New Zealand's yearly sunshine average, so it is a middle-of-the-pack month for bright days.

Brightest monthsJanuary to February and November to December

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

View on map

September11°C average sea

September is one of the coolest sea months, so the water may feel fresher than in peak months.

Warmest seaJanuary to March

Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.

Weather score

View on map

September20 weather score

September scores below New Zealand's yearly average, so the weather trade-offs are more noticeable.

Best weather monthsJanuary to February

These months have the strongest weather score in the monthly averages.