Bora Bora · AutumnMonth summary
Bora Bora weather in September
✅ Good
🌡️ Temperature min / max
22°C – 23°C
🌧 Rainy days
45% of days
☀️ Sunshine
11.2h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.5/10
📅 📅 Best month
August (7.6/10)
Quick decision
Should you visit Bora Bora in September?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 23°C.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: Bora Bora in September: 23°C and 11.2h of sunshine. Decent, but not the peak.
By trip type
Bora Bora in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
🎯 Diving still possible despite rain — underwater visibility stays decent at depth Autumn in Bora Bora is often underrated: 23°C, golden light and declining crowds. An interesting window. Expect rain on 45% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if August (7.6/10) remains theoretically better.
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All months for Bora Bora
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌧️ January | 22°C | 24°C | 84% | 9.9 | 11.7h | 7.0/10 |
| ⛅ February | 23°C | 25°C | 75% | 9.5 | 11.5h | 7.1/10 |
| ⛅ March | 23°C | 25°C | 77% | 5.0 | 11.2h | 7.1/10 |
| ⛅ April | 23°C | 25°C | 77% | 6.9 | 10.6h | 7.1/10 |
| 🌦️ May | 23°C | 24°C | 61% | 3.3 | 10.2h | 7.2/10 |
| 🌦️ June | 22°C | 24°C | 55% | 3.7 | 10.1h | 7.3/10 |
| 🌦️ July | 22°C | 23°C | 51% | 2.2 | 10.4h | 7.4/10 |
| 🌤️ August | 22°C | 23°C | 40% | 2.1 | 10.6h | 7.6/10 |
| 🌤️ September | 22°C | 23°C | 45% | 2.7 | 11.2h | 7.5/10 |
| 🌦️ October | 22°C | 23°C | 56% | 4.4 | 11.7h | 7.3/10 |
| 🌧️ November | 22°C | 24°C | 72% | 6.6 | 11.9h | 7.1/10 |
| 🌧️ December | 22°C | 24°C | 77% | 8.7 | 11.9h | 7.1/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Bora Bora averages 23°C, 45% rainy days and 11.2h of sunshine per day. Overall weather score: 7.5/10.
See methodology →
Comparison
September vs August (best month)
The best month is August (score 7.6/10). Difference:
- 🌡️ Max temperature : +0°C
- 🌧 Rainy days : -5%
- ☀️ Sunshine : -0.6h/day
FAQ
FAQ — Bora Bora in September
Is September a good time to visit Bora Bora?
September is an excellent time to visit Bora Bora (score 7.5/10). With 23°C, 11.2h of sunshine and 45% rain, conditions are very favourable.
What to do in Bora Bora in September?
With 23°C max and 11.2h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
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