SeasonMapMata-Utu (Uvea) weather in September
Wallis and Futuna
September in Mata-Utu: warm, rainy, with clean air — fine if you can take 21 rainy days.
#2 of 12 months in Mata-Utu · #693 of 1383 destinations to visit in September · comfort 81/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Mata-Utu in September
No notes yet. Open Mata-Utu on the map to add the first one.
Mata-Utu climate normals — September
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Sea temperature | 28°C / 83°F | ♨️ bath-warm |
| Rainfall | 137 mm / 5.4 in | 🌧 rainy |
| Rainy days | 21 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 12 h | |
| Wind | 31 km/h / 19 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Mata-Utu 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.
Busyschool holidays in 3 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Mata-Utu'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).
Best weatherMata-Utu's best weather comes in April, July and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
Where is Mata-Utu?
Mata-Utu in September — FAQ
- Is September a good time to visit Mata-Utu?
- September in Mata-Utu: warm, rainy, with clean air — fine if you can take 21 rainy days. It ranks #2 of 12 months for Mata-Utu on SeasonMap's comfort score (81/100).
- What is the weather like in Mata-Utu in September?
- In September, Mata-Utu averages a daily high of 27.3°C and a low of 25.9°C, with about 137 mm of rain over roughly 20.8 rainy days.
- What is the air quality in Mata-Utu in September?
- Mata-Utu has a mean US Air Quality Index of about 47 in September.