Réunion (Saint-Paul)
September
Weather in Réunion for September 2025
Your guide to Réunion weather in September - trends and predictions
Until now, September 2025 in Réunion is slightly cooler than the historical average by -0.7 °C.
The forecast for the next days in Réunion predicts temperatures to be around 23 °C, close to the historical average.
In general, the average temperature in Réunion at the beginning of September is 23 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 22.9 °C by the end of September.
With an average of 5 rainy days, Réunion experiences minimal rainfall in September.
Temperatures
Rain 🌧️
25
Dry days
5
Rainy days
0
Snow days
23°/16°
Temperatures
9 km/h
Avg max wind
73 %
Avg humidity
Réunion Weather September
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What’s the Weather Like in Réunion This September?
Discover the average temperatures and weather trends across Réunion’s cities this September.
Temperatures trend during September in Réunion
See the weather trend as well as the moving average line
September weather in Réunion day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 23° /15° | 0.4 mm | 6 | |
| 2 Sept. | Patchy rain possible | 22° /15° | 0.6 mm | 6 | |
| 3 Sept. | Patchy rain possible | 23° /15° | 1.4 mm | 6 | |
| 4 Sept. | Patchy rain possible | 23° /15° | 0.4 mm | 6 | |
| 5 Sept. | Patchy rain possible | 23° /15° | 1.2 mm | 6 | |
| 6 Sept. | Patchy rain possible | 24° /16° | 0.3 mm | 6 | |
| 7 Sept. |  Sunny | 23° /15° | 0.1 mm | 6 | |
| 8 Sept. | Patchy rain possible | 23° /15° | 0.2 mm | 6 | |
| 9 Sept. | Patchy rain possible | 24° /15° | 0.3 mm | 6 | |
| 10 Sept. | Patchy rain possible | 23° /16° | 0.2 mm | 6 | |
| 11 Sept. | Patchy rain possible | 23° /16° | 0.9 mm | 6 | |
| 12 Sept. |  Partly cloudy | 23° /15° | 0.7 mm | 6 | |
| 13 Sept. |  Cloudy | 23° /16° | 0.8 mm | 6 | |
| 14 Sept. | Patchy rain possible | 22° /16° | 0.4 mm | 6 | |
| 15 Sept. | Patchy rain possible | 22° /15° | 0.5 mm | 5 | |
| 16 Sept. | Patchy rain possible | 23° /15° | 0.3 mm | 6 | |
| 17 Sept. | Patchy rain possible | 24° /17° | 0.5 mm | 2.1 | |
| 18 Sept. | Patchy rain possible | 23° /18° | 0.4 mm | 2 | |
| 19 Sept. | Patchy rain possible | 24° /17° | 0.7 mm | 2.3 | |
| 20 Sept. | Patchy rain possible | 23° /16° | 0.4 mm | 2.4 | |
| 21 Sept. | Patchy rain possible | 23° /16° | 0.3 mm | 3 | |
| 22 Sept. | Patchy rain possible | 22° /15° | 0.2 mm | 5 | |
| 23 Sept. | Patchy rain possible | 20° /15° | 0.1 mm | 5 | |
| 24 Sept. | Sunny | 22° /15° | 0 mm | 6 | |
| 25 Sept. | Sunny | 23° /19° | 0 mm | 7 | |
| 26 Sept. | Partly cloudy | 23° /20° | 0 mm | 7 | |
| 27 Sept. | Patchy rain possible | 23° /20° | 0.2 mm | 6 | |
| 28 Sept. | Patchy rain possible | 23° /19° | 0.2 mm | 6 | |
| 29 Sept. | Patchy rain possible | 23° /20° | 0.2 mm | 6 | |
| 30 Sept. | Patchy rain possible | 23° /16° | 0.2 mm | 6 | |
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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.
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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 16°, 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 20.3 mm across approximately 5 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 9 km/h, suggesting breezy to windy conditions, depending on your activities.
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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