Cool
Average highs are around 14°C, so pack for cooler days.
September verdict
Oamaru, New Zealand in September
Weather score29Poor
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 4.7h per day, so this is not one of the brighter months. Rainfall averages 29mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
14°C
Rain
29mm
Sun
4.7h
Sea
10°C
Weather score
29
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 29mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.7h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Weather map
Compare Oamaru, New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September14°C average high
September is close to Oamaru's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
September29mm average rain
September is close to Oamaru's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
September4.7 hours average sun
September sits close to Oamaru's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to February and October to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September10°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 and December
Sea temperatures are usually near 15°C in this stretch, so swimming comfort is at its strongest.
Weather score
September29 weather score
September scores below Oamaru's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February and November to December
These months have the strongest weather score in the monthly averages.