Rotorua weather in September
September in Rotorua: cool, soaked, with clean air — a great time to visit.
#10 of 12 months in Rotorua · #360 of 604 destinations to visit in September · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Rotorua climate normals — September
| Daytime high | 14°C / 57°F | 🙂 cool |
|---|---|---|
| Nighttime low | 8°C / 46°F | |
| Feels like (high) | 12°C / 54°F | |
| Rainfall | 152 mm / 6 in | ⛈ soaked |
| Rainy days | 14 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 8°C / 47°F | |
| Sunshine | 8.2 h/day | |
| Daylight | 11.9 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 26 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Rotorua?
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Rotorua in September — FAQ
- Is September a good time to visit Rotorua?
- September in Rotorua: cool, soaked, with clean air — a great time to visit. It ranks #10 of 12 months for Rotorua on SeasonMap's comfort score (77/100).
- What is the weather like in Rotorua in September?
- In September, Rotorua averages a daily high of 14°C and a low of 7.5°C, with about 151.8 mm of rain over roughly 14.2 rainy days.
- What is the air quality in Rotorua in September?
- Rotorua has a mean US Air Quality Index of about 26 in September.