Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 24.3 °C | 28.7 °C | 26 days | Unfavourable season |
| February | 24.6 °C | 28.9 °C | 21 days | Unfavourable season |
| March | 24.9 °C | 29.3 °C | 23 days | Unfavourable season |
| April | 24.9 °C | 29.3 °C | 22 days | Unfavourable season |
| May | 24.3 °C | 28.8 °C | 19 days | Possible, with trade-offs |
| June | 23.7 °C | 28.2 °C | 16 days | Possible, with trade-offs |
| July | 23.1 °C | 27.5 °C | 17 days | Possible, with trade-offs |
| August | 22.7 °C | 27 °C | 12 days | Ideal — one of the best times of year |
| September | 22.7 °C | 27 °C | 14 days | Possible, with trade-offs |
| October | 23.1 °C | 27.4 °C | 17 days | Possible, with trade-offs |
| November | 23.7 °C | 28 °C | 21 days | Unfavourable season |
| December | 24.2 °C | 28.5 °C | 24 days | Unfavourable season |
Nearby in September
Before you go
Three things to check once you have picked your dates.
Entry
No visa needed for stays of up to 90 days. Passport valid for at least 3 months. Source is the FCDO France page (Schengen rules: 90 days in 180, passport valid 3 months after leaving); the territory is not covered separately.
For a British passport, per the UK Foreign Office on 11 August 2026. Rules change: check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 11 August 2026
Health
Vaccines · hepatitis A and hepatitis B if you are not already vaccinated. Routine vaccines up to date (measles in particular).
Yellow fever · No yellow fever locally, vaccine not recommended. Certificate required only if you arrive from a country with yellow fever risk.
Malaria · None.
Mosquitoes · dengue and Zika reported: protect yourself from bites.
Per the CDC (page reviewed 25 August 2026); see a travel clinic a few weeks before departure.
Beau Fixe is not a safety or health authority. These notes summarise dated public texts and link to their source: France Diplomatie (Licence Ouverte 2.0), Foreign, Commonwealth & Development Office (gov.uk, Open Government Licence v3.0), Centers for Disease Control and Prevention (Source: CDC). Only the competent authorities are authoritative.
FAQ
Can you swim in Bora Bora in September?
The sea averages 27°C in September — yes, pleasant swimming.
How hot is Bora Bora in September?
Expect 22.7°C in the afternoon and 21.4°C at night, averaged over the last 10 years.
Does it rain a lot in Bora Bora in September?
Around 14 days with rain (≥ 1 mm) in the month — 46% of days.