Cool
Average highs are around 16°C, so pack for cooler days.
September verdict
Hamilton (New Zealand), New Zealand in September
Weather score22Poor
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 4.8h per day, so this is not one of the brighter months. Rainfall averages 111mm, so some wet days are possible.
September weather
Monthly averages
Temp
16°C
Rain
111mm
Sun
4.8h
Sea
14°C
Weather score
22
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 111mm, so some wet days are possible.
Limited sun
Sunshine averages 4.8h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Hamilton (New Zealand), New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September16°C average high
September is on the cooler side of Hamilton (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.
Rain
September111mm average rain
September sits near Hamilton (New Zealand)'s yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September4.8 hours average sun
September sits close to Hamilton (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
September14°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 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
September22 weather score
September scores below Hamilton (New Zealand)'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.
