SeasonMapKaikōura weather in September
New Zealand
September in Kaikōura: cool, a little rain, with clean air — a great time to visit.
#7 of 12 months in Kaikōura · #901 of 1383 destinations to visit in September · comfort 72/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Kaikōura in September
Other months in Kaikōura
Kaikōura's forum calls January reliable for whale watching — the resident sperm whales live in the Kaikōura Trench year-round, and sighting odds sit near 100% unless the weather turns, which regulars say is unlikely but not impossible in January. Seas are calmest early morning before the afternoon sea breeze picks up, so regulars recommend booking the first tour of the day — if that one's cancelled, there's still a window to try again later.
Add your own note from Kaikōura's card on the map.
Kaikōura climate normals — September
| Daytime high | 15°C / 59°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 45°F | |
| Feels like (high) | 13°C / 55°F | |
| Sea temperature | 11°C / 53°F | 🥶 cold sea |
| Rainfall | 70 mm / 2.7 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 5°C / 41°F | |
| Sunshine | 9 h/day | |
| Daylight | 11.8 h | |
| Wind | 15 km/h / 10 mph | |
| Snowfall | 1.3 cm / 0.5 in | |
| Air quality (US AQI) | 25 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Kaikōura in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyTerm 3 (Sept/Oct) break in New Zealand, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Kaikōura's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherKaikōura's weather peaks January–March.
Best weatherFair weatherToughest weather
What's on in Kaikōura in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Sperm whales, all year
1 Jan – 31 DecWhale seasonThe canyon comes within a kilometre of the shore, so resident sperm whales are here in every month rather than in a season. What moves is the swell: a big southerly cancels the boats. Source ↗
- Nature
Seal pups in the streams
1 Apr – 30 Sep · usuallyWildlife seasonFur seal pups leave the colony through the colder months and swim up the streams north of town to play in the pools under the waterfalls. The Ohau track has been shut since the 2016 quake, so check access first.
- Nature
Albatross season
1 Apr – 30 Sep · usuallyBirdlife seasonWinter brings the wandering and royal albatross north with the colder water, and the pelagic boats put more species behind the stern in a morning than the rest of the year manages.
Nearby, and something's on
Within 300 km of Kaikōura — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Kaikōura?
Kaikōura in September — FAQ
- Is September a good time to visit Kaikōura?
- September in Kaikōura: cool, a little rain, with clean air — a great time to visit. It ranks #7 of 12 months for Kaikōura on SeasonMap's comfort score (72/100).
- What is the weather like in Kaikōura in September?
- In September, Kaikōura averages a daily high of 15.2°C and a low of 7.1°C, with about 69.7 mm of rain over roughly 11.5 rainy days.
- What is the air quality in Kaikōura in September?
- Kaikōura has a mean US Air Quality Index of about 25 in September.
- Does it snow in Kaikōura in September?
- Kaikōura sees roughly 1.3 cm of snowfall in September.
Other months in Kaikōura
Compare Kaikōura in September
Warmer or cooler than Kaikōura in September
Similar destinations in Oceania — September
Within 300 km: Wellington's World of WearableArt on 17 Sep – 4 Oct, and Christchurch's Canterbury ski season around 5 Jun – 10 Oct.