The temperatures in Kaikoura in September are quite cold with temperatures between 8°C and 12°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Kaikoura during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Kaikoura in September 2025.
If you’re planning to visit Kaikoura in the near future, we highly recommend that you review the 14 day weather forecast for Kaikoura before you arrive.
Temperatures
12° / 8°
Rainy Days
4
Snowy Days
0
Dry Days
26
Rainfall
52
mm
Sun Hours
7.8
Hrs