Port Louis
September
Weather in Port Louis for September 2025
Your guide to Port Louis weather in September - trends and predictions
Until now, September 2025 in Port Louis is slightly cooler than the historical average by -0.7 °C.
The forecast for the next days in Port Louis predicts temperatures to be around 24 °C, close to the historical average.
In general, the average temperature in Port Louis at the beginning of September is 23.9 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 23.7 °C by the end of September.
With an average of 5 rainy days, Port Louis experiences minimal rainfall in September.
Temperatures
Rain 🌧️
25
Dry days
5
Rainy days
0
Snow days
24°/20°
Temperatures
24 km/h
Avg max wind
71 %
Avg humidity
Port Louis Weather September
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Temperatures trend during September in Port Louis
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September weather in Port Louis day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 23° /18° | 0.7 mm | 6 | |
| 2 Sept. | Patchy rain possible | 23° /19° | 1.5 mm | 6 | |
| 3 Sept. | Patchy rain possible | 24° /19° | 0.3 mm | 6 | |
| 4 Sept. | Patchy rain possible | 24° /19° | 1 mm | 6 | |
| 5 Sept. | Patchy rain possible | 24° /19° | 0.3 mm | 6 | |
| 6 Sept. | Patchy rain possible | 24° /19° | 0.6 mm | 6 | |
| 7 Sept. | Patchy rain possible | 25° /19° | 0.9 mm | 6 | |
| 8 Sept. | Patchy rain possible | 25° /19° | 0.3 mm | 6 | |
| 9 Sept. | Patchy rain possible | 25° /19° | 0.2 mm | 6 | |
| 10 Sept. | Patchy rain possible | 25° /19° | 0.2 mm | 7 | |
| 11 Sept. |  Cloudy | 24° /19° | 0.5 mm | 6 | |
| 12 Sept. | Patchy rain possible | 24° /19° | 0.2 mm | 6 | |
| 13 Sept. |  Partly cloudy | 25° /19° | 0.4 mm | 7 | |
| 14 Sept. | Patchy rain possible | 24° /19° | 0.1 mm | 6 | |
| 15 Sept. | Partly cloudy | 23° /18° | 0.6 mm | 6 | |
| 16 Sept. | Patchy rain possible | 23° /19° | 1 mm | 6 | |
| 17 Sept. | Patchy rain possible | 25° /21° | 0.7 mm | 2.4 | |
| 18 Sept. | Patchy rain possible | 25° /21° | 0.3 mm | 2.5 | |
| 19 Sept. | Patchy rain possible | 25° /21° | 0.3 mm | 2.5 | |
| 20 Sept. | Patchy rain possible | 25° /20° | 0.3 mm | 3.6 | |
| 21 Sept. |  Sunny | 25° /19° | 0 mm | 7 | |
| 22 Sept. | Patchy rain possible | 23° /20° | 0.2 mm | 6 | |
| 23 Sept. | Sunny | 22° /19° | 0.1 mm | 7 | |
| 24 Sept. | Patchy rain possible | 23° /20° | 0.2 mm | 6 | |
| 25 Sept. | Patchy rain possible | 23° /20° | 0.3 mm | 6 | |
| 26 Sept. | Patchy rain possible | 23° /20° | 0.2 mm | 6 | |
| 27 Sept. | Patchy rain possible | 24° /20° | 0.2 mm | 6 | |
| 28 Sept. | Patchy rain possible | 24° /20° | 0.1 mm | 6 | |
| 29 Sept. | Partly cloudy | 25° /20° | 0.1 mm | 7 | |
| 30 Sept. | Patchy rain possible | 24° /20° | 0.2 mm | 6 | |
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Important Notice
Our weather forecast for Port Louis 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 Port Louis forecast closer to your planned date for the most up-to-date weather information.
Change Month
Port Louis in September - FAQ
What are the expected maximum and minimum temperatures in Port Louis during September?
During September, expect a variety of temperatures with highs around 24° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Port Louis during September?
Expect minimal rainfall in Port Louis during September, with a total of 15.9 mm over approximately 5 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Port Louis during September?
The average wind speed in Port Louis during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Port Louis
Explore the daily rainfall trends and prepare for Port Louiss September weather 💧
UV exposure in Port Louis during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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