Christchurch weather in September 2025

Expect 14°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Christchurch in September. Check more long-term weather averages for Christchurch in September before you book your next holiday to New Zealand in 2025/2026.

  • 14°C maximum daytime temperature in September in Christchurch14
    14°C max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in September in Christchurch9
    9 days with some rainfall
  • 5°C minimum night-time temperature in September in Christchurch5
    5°C min night temperature
  • 12 hours of daylight per day in September in Christchurch12
    12 hours of daylight per day
  • No heat & humidity in September in Christchurch0
    No heat & humidity
  • 39 mm monthly rainfall in September in Christchurch39
    39 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Christchurch3
    3 (Moderate) UV index
  • 10°C sea temperature in September in Christchurch10
    10°C sea temperature

More about Christchurch

Christchurch by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for New Zealand

  • Save up to 40% on holidays to select hotels & resorts
  • Book beach holidays, city breaks & tours in 2025/2026
  • Destinations across Europe, Americas, Asia, Africa & beyond

Expires at 23:59 on Friday 31st Jan 2025 · View all Travelbag offers

TravelbagHoliday deal finder

The September weather guide for New Zealand (Christchurch) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

How warm is it in Christchurch in September?

Daytime temperatures usually reach 14°C in Christchurch in September, falling to 5°C at night.

How sunny is it in Christchurch in September?

There are normally 5 hours of bright sunshine each day in Christchurch in September - that's 45% of daylight hours.

Is the sea cold around Christchurch in September?

The average sea temperature around Christchurch in September is 10°C.

Does it rain in Christchurch in September?

There are usually 9 days with some rain in Christchurch in September and the average monthly rainfall is 39mm.

Christchurch September sunrise & sunset times

Browse the sunrise and sunset times for Christchurch in September 2025. Select a month to view Christchurch sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:57 18:03
Monday, 15th September 2025 06:32 18:18
Tuesday, 30th September 2025 06:05 18:35

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^