Wānaka weather in September
September in Wānaka: cold, rainy, with clean air — a good time to visit.
#3 of 12 months in Wānaka · #444 of 604 destinations to visit in September · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Wānaka climate normals — September
| Daytime high | 10°C / 50°F | 🧥 cold |
|---|---|---|
| Nighttime low | 3°C / 37°F | |
| Feels like (high) | 8°C / 46°F | |
| Rainfall | 134 mm / 5.3 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 3°C / 38°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 11.8 h | |
| Wind | 11 km/h / 7 mph | |
| Snowfall | 9.3 cm / 3.7 in | |
| Air quality (US AQI) | 26 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Wānaka?
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Wānaka in September — FAQ
- Is September a good time to visit Wānaka?
- September in Wānaka: cold, rainy, with clean air — a good time to visit. It ranks #3 of 12 months for Wānaka on SeasonMap's comfort score (68/100).
- What is the weather like in Wānaka in September?
- In September, Wānaka averages a daily high of 10°C and a low of 2.5°C, with about 134.3 mm of rain over roughly 13.6 rainy days.
- What is the air quality in Wānaka in September?
- Wānaka has a mean US Air Quality Index of about 26 in September.
- Does it snow in Wānaka in September?
- Wānaka sees roughly 9.3 cm of snowfall in September.