Christchurch weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Fair
Best time to visit: November – March
What is the weather like in Christchurch in September?
In September, Christchurch is cool: daytime highs average 13 °C, and nights cool down to about 6 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 43 mm in total. All in all, September is a so-so month for a holiday in Christchurch.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 39 | 55 | 63 |
| Day | 11° | 13° | 15° |
| Night | 4° | 6° | 7° |
| Sun | 5 h | 6 h | 7 h |
| Rain days | 10 | 9 | 11 |
More details for September
- Daylight
- 11 h 44 min06:33 – 18:17
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 56 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+12Pacific/Auckland
How the score comes together
- Temperatureweight 50 %54 %
- Sunshineweight 20 %43 %
- Few rainy daysweight 30 %63 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Christchurch in September: quick answers
Is Christchurch hot in September?
No. In September, Christchurch is cool: daytime highs average 13 °C and nights drop to about 6 °C.
Does it rain much in Christchurch in September?
Rain is frequent, with about 9 rainy days and 43 mm in total.
Christchurch month by month
The whole year in ChristchurchAll destinations: New ZealandWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences