Nuku'alofa weather in September
September in Nuku'alofa: warm, rainy, with clean air — a great time to visit.
#3 of 12 months in Nuku'alofa · #346 of 604 destinations to visit in September · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Nuku'alofa climate normals — September
| Daytime high | 23°C / 74°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 24°C / 75°F | |
| Rainfall | 102 mm / 4 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 9.5 h/day | |
| Daylight | 12 h | |
| Wind | 32 km/h / 20 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Nuku'alofa?
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Nuku'alofa in September — FAQ
- Is September a good time to visit Nuku'alofa?
- September in Nuku'alofa: warm, rainy, with clean air — a great time to visit. It ranks #3 of 12 months for Nuku'alofa on SeasonMap's comfort score (78/100).
- What is the weather like in Nuku'alofa in September?
- In September, Nuku'alofa averages a daily high of 23.4°C and a low of 22.3°C, with about 102 mm of rain over roughly 10.6 rainy days.
- What is the air quality in Nuku'alofa in September?
- Nuku'alofa has a mean US Air Quality Index of about 42 in September.