Is Christchurch hot in September?
Days are typically cool at 14.9°C, while nights average 2.6°C.
New Zealand · 1991–2020 normal
Typical September weather in Christchurch: 14.9°C by day, 2.6°C at night, 41 mm of rain over 6.6 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, September scores 44 out of 100 (January leads the year at 86). Daylight is calculated as 11 h 52 from latitude -43.53°. Open-water sea temperature is 10.0°C (22 km from the place centre).
September at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically cool at 14.9°C, while nights average 2.6°C.
The measured monthly average is 41 mm across about 7 wet days.
There are about 11 h 52 between sunrise and sunset at mid-month, calculated from the place latitude.
September ranks 8 of 12 in our weather comparison; January ranks first.
The evidence behind this page
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The weather comparison for Christchurch is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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