Cool
Average highs are around 14°C, so pack for cooler days.
September verdict
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 5.2h per day, enough for a balanced month. Rainfall averages 39mm, which is relatively low for holiday planning.
Monthly averages
Temp
14°C
Rain
39mm
Sun
5.2h
Sea
10°C
Weather score
30
Poor
Cool
Average highs are around 14°C, so pack for cooler days.
Drier
Rainfall averages 39mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Compare Christchurch, New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
September14°C average high
September is on the cooler side of Christchurch'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.
September39mm average rain
September is one of Christchurch's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to June and August to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September5.2 hours average sun
September sits close to Christchurch'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.
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 17°C in this stretch, so swimming comfort is at its strongest.
September30 weather score
September scores below Christchurch's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.