Kaikoura weather in September 2025

Expect 11°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Kaikoura in September. Check more long-term weather averages for Kaikoura in September before you book your next holiday to New Zealand in 2025/2026.

  • 11°C maximum daytime temperature in September in Kaikoura11
    11°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in September in Kaikoura11
    11 days with some rainfall
  • 1°C minimum night-time temperature in September in Kaikoura1
    1°C min night temperature
  • 12 hours of daylight per day in September in Kaikoura12
    12 hours of daylight per day
  • No heat & humidity in September in Kaikoura0
    No heat & humidity
  • 78 mm monthly rainfall in September in Kaikoura78
    78 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Kaikoura4
    4 (Moderate) UV index
  • 10°C sea temperature in September in Kaikoura10
    10°C sea temperature

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The September weather guide for New Zealand (Kaikoura) 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)

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How warm is it in Kaikoura in September?

Daytime temperatures usually reach 11°C in Kaikoura in September, falling to 1°C at night.

How sunny is it in Kaikoura in September?

There are normally 5 hours of bright sunshine each day in Kaikoura in September - that's 39% of daylight hours.

Is the sea cold around Kaikoura in September?

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

Does it rain in Kaikoura in September?

There are usually 11 days with some rain in Kaikoura in September and the average monthly rainfall is 78mm.

Kaikoura September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:52 18:00
Monday, 15th September 2025 06:27 18:14
Tuesday, 30th September 2025 06:01 18:30

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