September often remains dry and warm, making it a good month for island-hopping and coastal activities. Expect consistent temperatures and relatively low rainfall on many atolls.
Photo taken by Government of Kiribati employee in the course of their work CC BY-SA 4.0 Wikimedia Commons
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Average temperature across Kiribati in September.
urban atolls
September often feels like the tail end of the trade‑wind season with persistent easterly breezes and warm clear days; surf can still be worthwhile for experienced board riders. The lagoon remains calm enough for most day trips, and resupply flights to outer islands are generally reliable. Keep sun protection handy; the UV index is high and shade is limited in built‑up parts of Tarawa.
Butaritari, Makin and surrounding islets
September typically retains the breezy, dry pattern with long sunny days and warm nights; local schools sometimes schedule events and travel between islands increases. Reef swimming is at its best on calm mornings and the surf outside the reef can be playful for experienced surfers. As the month progresses keep an eye on forecasts for any shifts toward more cloudiness towards October.
Canton, Nikumaroro and the protected area
September continues to be a favorable month for sea voyages and wildlife watching with moderate winds and good underwater visibility on most days; crossings still require careful planning because of remoteness. Tourism is minimal, so expect solitude and limited facilities - any landing is often coordinated with scientific teams. Ensure satellite communication or a reliable plan for emergencies when venturing to these atolls.
Kiritimati/Christmas, Tabuaeran/Fanning, Teraina/Washington
September stays generally dry and warm with the constant trade‑wind breeze keeping daytime heat bearable and evenings pleasant; water clarity remains good around most reefs. Local dive and tour operators run more regular schedules so it’s easier to plan multi‑day trips to fishing grounds or birding sites. Despite the better weather, remember that medical and mechanical support remains basic and distant.
There are no major festivals or events in Kiribati during September to be aware of.
See how September compares with the rest of the year, then read the full guide.