Bora Bora in September
In September, Bora Bora averages 23°C (73°F) during the day and 22°C (71°F) at night, with frequent rain — about 25 days of the month see precipitation (73 mm total).
ShoulderConditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.
September offers comfortable temperatures in Bora Bora, with some rain to plan around.
How September compares to the rest of the year in Bora Bora
September is one of the coolest months in Bora Bora (12th of 12) and one of the driest months (12th of 12). Daytime temperature runs 1°C below the annual average (24°C). September runs roughly the same as August (23°C) and stays flat into October.
September sunrise & sunset in Bora Bora
Times shown for Bora Bora local time (Pacific/Tahiti), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Bora Bora — September
Golden-hour and blue-hour windows for the 15th of September, in Bora Bora's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Bora Bora in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Bora Bora's popularity.
Crowds & pricing — September in Bora Bora
Bora Bora is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — September in Bora Bora
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Bora Bora — September
Across the year Bora Bora's sea swings from 27.2°C (August) to 29.6°C (March) — September sits at 27.2°C.
Bora Bora in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 25°C / 76°F | 23°C / 73°F | 315 mm | 29 | — |
| February | 25°C / 77°F | 23°C / 73°F | 272 mm | 28 | — |
| March | 25°C / 77°F | 23°C / 74°F | 164 mm | 28 | — |
| April | 25°C / 77°F | 23°C / 74°F | 161 mm | 28 | — |
| May | 25°C / 76°F | 23°C / 73°F | 106 mm | 27 | — |
| June | 24°C / 75°F | 23°C / 73°F | 101 mm | 25 | — |
| July | 23°C / 74°F | 22°C / 72°F | 67 mm | 26 | — |
| August | 23°C / 73°F | 22°C / 71°F | 71 mm | 25 | — |
| September | 23°C / 73°F | 22°C / 71°F | 73 mm | 25 | — |
| October | 23°C / 74°F | 22°C / 72°F | 153 mm | 27 | — |
| November | 24°C / 75°F | 22°C / 72°F | 215 mm | 27 | — |
| December | 25°C / 76°F | 23°C / 73°F | 249 mm | 27 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Bora Bora in September →
Frequently asked questions
How hot is Bora Bora in September?
In September, Bora Bora averages a high of 23°C (73°F) and a low of 22°C (71°F) — generally mild and pleasant.
Does it rain a lot in Bora Bora in September?
September is quite rainy in Bora Bora, with about 25 rainy days on average.
Is September a good time to visit Bora Bora?
September is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Bora Bora in September?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full September packing list for Bora Bora for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.