Auckland weather in September
September in Auckland: cool, rainy, with clean air — a great time to visit.
#8 of 12 months in Auckland · #319 of 604 destinations to visit in September · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Auckland climate normals — September
| Daytime high | 16°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 11°C / 52°F | |
| Feels like (high) | 13°C / 55°F | |
| Rainfall | 122 mm / 4.8 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 11.9 h | |
| Wind | 28 km/h / 17 mph | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Auckland in September — FAQ
- Is September a good time to visit Auckland?
- September in Auckland: cool, rainy, with clean air — a great time to visit. It ranks #8 of 12 months for Auckland on SeasonMap's comfort score (79/100).
- What is the weather like in Auckland in September?
- In September, Auckland averages a daily high of 15.5°C and a low of 11°C, with about 121.5 mm of rain over roughly 13.8 rainy days.
- What is the air quality in Auckland in September?
- Auckland has a mean US Air Quality Index of about 34 in September.