☀️ Yes! Average temperature: 23°C
It's mild at 23°C — warm enough for sightseeing but you may want a light layer for evenings. Réunion in September has an average air temperature of 23°C with sea temperatures around 24°C. You can expect 8 hours of sunshine per day and 25mm of rainfall, which means minimal rainfall — mostly dry and sunny.
Sea temperatures of 24°C are very comfortable for swimming and water sports. With 8 hours of daily sunshine, there's plenty of time to enjoy outdoor activities. Pack light layers, a jumper for evenings, comfortable walking shoes, and a rain jacket.
Réunion offers mild weather in September — great for culture and sightseeing. The average flight time from the UK is comfortable and there are usually good deals available for this time of year.
Here's how Réunion stacks up against similar destinations in September:
| Destination | Air °C | Sea °C | Rain | Sun |
|---|---|---|---|---|
| Réunion | 23°C | 24°C | 25mm | 8h |
| Côte d'Azur | 23°C | 23°C | 55mm | 8h |
| Galapagos | 23°C | 21°C | 5mm | 5h |
| Amalfi Coast | 24°C | 25°C | 50mm | 8h |
| Azores | 22°C | 23°C | 55mm | 7h |
| Dubrovnik | 24°C | 24°C | 60mm | 8h |
See how Réunion's temperature changes throughout the year:
Looking for somewhere warm in September? These destinations are all 25°C+:
Yes, Réunion in September has average temperatures of 23°C, making it a warm destination. Sea temperatures are 24°C.
Yes, the sea temperature of 24°C is very comfortable for swimming.
Pack light layers, a jumper for evenings, comfortable walking shoes, and a rain jacket.
September is decent for visiting Réunion — not too hot, good for sightseeing.
Compare temperatures, sea conditions & sunshine for 70+ destinations worldwide
Explore All Destinations →