Réunion (Saint-Denis)
September
Weather in Réunion for September 2025
Your guide to Réunion weather in September - trends and predictions
In general, the average temperature in Réunion at the beginning of September is 22.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 23.1 °C by the end of September.
Réunion experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.
Is September a good time to visit Réunion? check out the best time to travel to Réunion page.
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7
Dry days
23
Rainy days
0
Snow days
23°/20°
Temperatures
21 km/h
Avg max wind
73 %
Avg humidity
Réunion in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 23° | 3 22° | 4 23° | 5 23° | 6  23° | 7 23° |
| 8 23° | 9 23° | 10 23° | 11 23° | 12  24° | 13 23° | 14 22° |
| 15  21° | 16 22° | 17 23° | 18 24° | 19 24° | 20 24° | 21 24° |
| 22 23° | 23 23° | 24 23° | 25 23° | 26 23° | 27 23° | 28 23° |
| 29 23° | 30 24° |
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Temperatures trend during September in Réunion
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 22° /19° | 1 mm | 6 | |
| 2 Sept. | Patchy rain possible | 23° /19° | 4.2 mm | 6 | |
| 3 Sept. | Patchy rain possible | 22° /19° | 3.3 mm | 6 | |
| 4 Sept. | Patchy rain possible | 23° /19° | 1.8 mm | 6 | |
| 5 Sept. | Patchy rain possible | 23° /20° | 1.3 mm | 6 | |
| 6 Sept. | Sunny | 23° /19° | 0.4 mm | 6 | |
| 7 Sept. | Sunny | 23° /19° | 0.1 mm | 6 | |
| 8 Sept. | Patchy rain possible | 23° /20° | 0.1 mm | 6 | |
| 9 Sept. | Patchy rain possible | 23° /20° | 0.5 mm | 6 | |
| 10 Sept. | Patchy rain possible | 23° /20° | 0.2 mm | 6 | |
| 11 Sept. | Sunny | 23° /20° | 0.6 mm | 6 | |
| 12 Sept. | Cloudy | 24° /20° | 0.1 mm | 6 | |
| 13 Sept. | Cloudy | 23° /20° | 0.9 mm | 6 | |
| 14 Sept. | Cloudy | 22° /18° | 0.6 mm | 6 | |
| 15 Sept. | Partly cloudy | 21° /18° | 0.3 mm | 6 | |
| 16 Sept. | Partly cloudy | 22° /19° | 0.6 mm | 6 | |
| 17 Sept. | Patchy rain possible | 23° /19° | 1.4 mm | 6 | |
| 18 Sept. | Patchy rain possible | 24° /19° | 0.6 mm | 6 | |
| 19 Sept. | Patchy rain possible | 24° /20° | 1 mm | 6 | |
| 20 Sept. | Patchy rain possible | 24° /20° | 1 mm | 6 | |
| 21 Sept. | Patchy rain possible | 24° /20° | 1.1 mm | 6 | |
| 22 Sept. | Patchy rain possible | 23° /20° | 2.1 mm | 6 | |
| 23 Sept. | Patchy rain possible | 23° /20° | 0.8 mm | 6 | |
| 24 Sept. | Patchy rain possible | 23° /20° | 0.9 mm | 6 | |
| 25 Sept. | Patchy rain possible | 23° /20° | 0.7 mm | 6 | |
| 26 Sept. | Patchy rain possible | 23° /19° | 0.5 mm | 6 | |
| 27 Sept. | Patchy rain possible | 23° /20° | 1.5 mm | 6 | |
| 28 Sept. | Patchy rain possible | 23° /20° | 1 mm | 6 | |
| 29 Sept. | Patchy rain possible | 23° /20° | 1 mm | 6 | |
| 30 Sept. | Light rain shower | 24° /20° | 1.2 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Réunion in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Réunion forecast closer to your planned date for the most up-to-date weather information.
Réunion in September - FAQ
What are the expected maximum and minimum temperatures in Réunion during September?
During September, expect a variety of temperatures with highs around 23° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Réunion during September?
In September, Réunion can expect light to moderate rainfall, totaling 34.2 mm across approximately 23 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Réunion during September?
The average wind speed in Réunion during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Réunion in September?
As you prepare for your trip to Réunion in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Réunion, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Réunion
Explore the daily rainfall trends and prepare for Réunions September weather 💧
UV exposure in Réunion during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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