Cool
Average highs are around 17°C, so pack for cooler days.
September verdict
White Island, New Zealand in September
Weather score28Poor
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 5.6h per day, enough for a balanced month. Rainfall averages 113mm, so some wet days are possible.
September weather
Monthly averages
Temp
17°C
Rain
113mm
Sun
5.6h
Sea
15°C
Weather score
28
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 113mm, so some wet days are possible.
Some sun
Sunshine averages 5.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Weather map
Compare White Island, New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September17°C average high
September is on the cooler side of White Island'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.
Rain
September113mm average rain
September sits near White Island's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to February, April to May, and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.6 hours average sun
September sits close to White Island'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
September15°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
September28 weather score
September scores below White Island's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.
