Cool
Average highs are around 16°C, so pack for cooler days.
September verdict
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 4.9h per day, so this is not one of the brighter months. Rainfall averages 132mm, so some wet days are possible.
Monthly averages
Temp
16°C
Rain
132mm
Sun
4.9h
Sea
15°C
Weather score
21
Poor
Cool
Average highs are around 16°C, so pack for cooler days.
Showers
Rainfall averages 132mm, so some wet days are possible.
Limited sun
Sunshine averages 4.9h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Compare Whangarei, New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
September16°C average high
September is on the cooler side of Whangarei'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.
September132mm average rain
September sits near Whangarei's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to February and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September4.9 hours average sun
September sits close to Whangarei'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.
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.
September21 weather score
September scores below Whangarei's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.