Réunion · AutumnMonth summary
Réunion weather in September
✅ Good
🌡️ Temperature min / max
9°C – 16°C
🌧 Rainy days
42% of days
☀️ Sunshine
10.9h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.0/10
📅 📅 Best month
September (7.0/10)
Quick decision
Should you visit Réunion in September?
✅ Good
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: Favourable conditions in September (7.0/10). September scores higher but the gap is small.
By trip type
Réunion in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
🎯 Ideal conditions for families — pleasant weather and outdoor activities accessible Autumn in Réunion is often underrated: 16°C, golden light and declining crowds. An interesting window. Expect rain on 42% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. September (7.0/10) is significantly better if possible.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌧️ January | 15°C | 20°C | 87% | 15.8 | 11.9h | 5.4/10 |
| 🌧️ February | 14°C | 19°C | 93% | 17.5 | 11.2h | 4.5/10 |
| 🌧️ March | 14°C | 19°C | 84% | 11.9 | 10.9h | 5.1/10 |
| 🌧️ April | 14°C | 18°C | 74% | 8.1 | 10.3h | 5.3/10 |
| 🌦️ May | 11°C | 16°C | 55% | 3.1 | 10.1h | 6.0/10 |
| 🌦️ June | 9°C | 15°C | 49% | 3.0 | 9.8h | 5.7/10 |
| 🌦️ July | 8°C | 14°C | 41% | 1.8 | 10.0h | 6.1/10 |
| 🌦️ August | 8°C | 15°C | 41% | 2.1 | 10.5h | 6.8/10 |
| 🌦️ September | 9°C | 16°C | 42% | 2.0 | 10.9h | 7.0/10 |
| 🌦️ October | 10°C | 17°C | 54% | 3.4 | 11.7h | 7.0/10 |
| 🌧️ November | 12°C | 18°C | 70% | 6.5 | 11.6h | 6.1/10 |
| 🌧️ December | 13°C | 19°C | 86% | 7.6 | 12.1h | 5.5/10 |
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, Réunion averages 16°C, 42% rainy days and 10.9h of sunshine per day. Overall weather score: 7.0/10.
See methodology →
Comparison
September vs September (best month)
The best month is September (score 7.0/10). Difference:
- 🌡️ Max temperature : +0°C
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +0.0h/day
FAQ
FAQ — Réunion in September
Is September a good time to visit Réunion?
September is an acceptable time for Réunion (score 7.0/10). Conditions are decent but not optimal — consider September (7.0/10) if possible.
What to do in Réunion in September?
With 16°C max and 10.9h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Réunion
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