Weather in Bora Bora for September 2025
Until now, September 2025 in Bora Bora has been nearly identical to the historical average, with a temperature of 25.6 °C (showing only a slight deviation of 0 °C).
The forecast for the upcoming days in Bora Bora predicts a temperature of 26.7 °C, which is slightly above the historical average.
In general, the average temperature in Bora Bora at the beginning of September is 25.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 26.4 °C by the end of September.
Bora Bora experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 106.9 mm.
Temperatures
Rain 🌧️
Bora Bora Weather September
Temperatures trend during September in Bora Bora
September weather in Bora Bora day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 26° /25° | 1.5 mm | 7 | |
| 2 Sept. | Patchy rain possible | 25° /24° | 0.5 mm | 8 | |
| 3 Sept. | Light rain shower | 25° /24° | 0.9 mm | 7 | |
| 4 Sept. | Light rain shower | 26° /24° | 1.1 mm | 7 | |
| 5 Sept. | Light rain shower | 25° /24° | 6.1 mm | 7 | |
| 6 Sept. | Patchy rain possible | 25° /24° | 5.7 mm | 7 | |
| 7 Sept. | Light rain shower | 25° /24° | 4 mm | 7 | |
| 8 Sept. | Light rain shower | 25° /23° | 3.3 mm | 7 | |
| 9 Sept. | Light rain shower | 26° /24° | 0.9 mm | 7 | |
| 10 Sept. | Patchy rain possible | 26° /24° | 1 mm | 7 | |
| 11 Sept. | Patchy rain possible | 26° /25° | 0.7 mm | 7 | |
| 12 Sept. | Patchy rain possible | 26° /25° | 1.1 mm | 7 | |
| 13 Sept. | Patchy rain possible | 26° /25° | 1.5 mm | 7 | |
| 14 Sept. | Light rain shower | 26° /25° | 4.4 mm | 7 | |
| 15 Sept. | Patchy rain possible | 26° /25° | 2.7 mm | 7 | |
| 16 Sept. |  Partly cloudy | 26° /26° | 0 mm | 2.8 | |
| 17 Sept. | Patchy rain possible | 27° /26° | 0.8 mm | 2.9 | |
| 18 Sept. |  Moderate rain | 27° /26° | 5.2 mm | 2.8 | |
| 19 Sept. | Patchy rain possible | 27° /26° | 0.8 mm | 2.9 | |
| 20 Sept. | Patchy rain possible | 27° /27° | 0.5 mm | 0 | |
| 21 Sept. | Patchy rain possible | 27° /26° | 0.2 mm | 7 | |
| 22 Sept. | Patchy rain possible | 27° /27° | 0.2 mm | 7 | |
| 23 Sept. | Patchy rain possible | 27° /26° | 3.6 mm | 7 | |
| 24 Sept. | Patchy rain possible | 27° /26° | 1.9 mm | 7 | |
| 25 Sept. | Patchy rain possible | 26° /26° | 0.9 mm | 7 | |
| 26 Sept. | Patchy rain possible | 26° /26° | 0.2 mm | 7 | |
| 27 Sept. | Patchy rain possible | 26° /26° | 0.1 mm | 7 | |
| 28 Sept. | Patchy rain possible | 27° /26° | 0.7 mm | 7 | |
| 29 Sept. | Patchy rain possible | 27° /26° | 0.2 mm | 7 | |
| 30 Sept. | Patchy rain possible | 26° /25° | 3.3 mm | 7 | |
| Next | |||||
Bora Bora in September - FAQ
Bora Bora water temperatures in September
The average water temperature of the Pacific Ocean near Bora Bora in September is 25.8 °C. At the beginning of September temperatures are around 25.9 °C; by the end of the month they get a bit cooler and reach 25.1 °C.
- What is the water temperature in Bora Bora in September?
- The average water temperature in Bora Bora in September is 25.8 °C.
- Can you swim in Bora Bora in September?
- Ideal conditions for families and casual swimmers. You can stay in for long swims or reef explorations with no thermal protection required.
September rainfall patterns in Bora Bora
UV exposure in Bora Bora during September
Quick links
Where is Bora Bora?Get accurate weather forecasts for Bora Bora, located at latitude -16.5 and longitude -151.737. Stay updated with localized weather information tailored for Bora Bora.