SeasonMapAlofi weather in September
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September in Alofi: warm, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Alofi · #297 of 1383 destinations to visit in September · comfort 88/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Alofi in September
No notes yet. Open Alofi on the map to add the first one.
Alofi climate normals — September
| Daytime high | 25°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 24°C / 74°F | |
| Sea temperature | 26°C / 79°F | 😎 warm sea |
| Rainfall | 59 mm / 2.3 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 20°C / 68°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 12 h | |
| Wind | 31 km/h / 19 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Alofi 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.
Peak crowdstravelers describe it as peak season, school holidays in 3 of the markets that fill it
Sourced from traveler notes: “…the wetter December-April season. Posters flag September as peak season here (running June through September), so booking accommoda…” — Tripadvisor community
Peak crowdsBusyShoulder seasonQuiet
Best months for Alofi'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 weatherAlofi's best weather comes in August, September and November — separate windows, not one continuous season.
September includes Humpback whales.
Best weatherFair weatherToughest weather
What's on in Alofi in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Humpback whales
15 Jun – 31 Oct · usuallyWhale seasonHumpbacks calve in the drop-off a few hundred metres off the cliffs, close enough to hear blows from the coastal track. A small number of licensed operators are allowed to put swimmers in with them. Source ↗
Where is Alofi?
Alofi in September — FAQ
- Is September a good time to visit Alofi?
- September in Alofi: warm, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Alofi on SeasonMap's comfort score (88/100).
- What is the weather like in Alofi in September?
- In September, Alofi averages a daily high of 24.7°C and a low of 23.6°C, with about 59.1 mm of rain over roughly 11.2 rainy days.
- What is the air quality in Alofi in September?
- Alofi has a mean US Air Quality Index of about 46 in September.