Port Louis
September
Weather in Port Louis for September 2025
Your guide to Port Louis weather in September - trends and predictions
In general, the average temperature in Port Louis at the beginning of September is 23.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 24.9 °C by the end of September.
Expect significant rainfall in Port Louis during September, with an average of 16 rainy days.
Is September a good time to visit Port Louis? check out the best time to travel to Port Louis page.
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14
Dry days
16
Rainy days
0
Snow days
24°/20°
Temperatures
25 km/h
Avg max wind
71 %
Avg humidity
Port Louis in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2 23° | 3  24° | 4 24° | 5 24° | 6 23° | 7 25° |
| 8  25° | 9 25° | 10 25° | 11  25° | 12  24° | 13 25° | 14 23° |
| 15 23° | 16 23° | 17 24° | 18 25° | 19 25° | 20 25° | 21 25° |
| 22 25° | 23 25° | 24 24° | 25 24° | 26 25° | 27 25° | 28 25° |
| 29 26° | 30 25° |
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Temperatures trend during September in Port Louis
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 | 24° /18° | 0.4 mm | 6 | |
| 2 Sept. | Patchy rain possible | 23° /19° | 1.4 mm | 6 | |
| 3 Sept. | Partly cloudy | 24° /20° | 0.4 mm | 6 | |
| 4 Sept. | Light rain shower | 24° /20° | 1.4 mm | 6 | |
| 5 Sept. | Patchy rain possible | 24° /20° | 0.5 mm | 6 | |
| 6 Sept. | Patchy rain possible | 23° /19° | 0.6 mm | 6 | |
| 7 Sept. | Light rain shower | 25° /19° | 1.3 mm | 6 | |
| 8 Sept. | Sunny | 25° /19° | 0.4 mm | 7 | |
| 9 Sept. | Partly cloudy | 25° /19° | 0.2 mm | 7 | |
| 10 Sept. | Sunny | 25° /20° | 0.3 mm | 7 | |
| 11 Sept. | Cloudy | 25° /19° | 0.3 mm | 6 | |
| 12 Sept. | Overcast | 24° /20° | 0.1 mm | 6 | |
| 13 Sept. | Partly cloudy | 25° /20° | 0.4 mm | 7 | |
| 14 Sept. | Partly cloudy | 23° /19° | 0.1 mm | 7 | |
| 15 Sept. | Partly cloudy | 23° /18° | 0.4 mm | 6 | |
| 16 Sept. | Patchy rain possible | 23° /19° | 1 mm | 6 | |
| 17 Sept. | Patchy rain possible | 24° /19° | 0.6 mm | 6 | |
| 18 Sept. | Patchy rain possible | 25° /19° | 0.7 mm | 6 | |
| 19 Sept. | Patchy rain possible | 25° /20° | 0.5 mm | 6 | |
| 20 Sept. | Patchy rain possible | 25° /20° | 0.1 mm | 7 | |
| 21 Sept. | Patchy rain possible | 25° /20° | 0.7 mm | 6 | |
| 22 Sept. | Partly cloudy | 25° /20° | 0.1 mm | 8 | |
| 23 Sept. | Patchy rain possible | 25° /19° | 0.2 mm | 6 | |
| 24 Sept. | Patchy rain possible | 24° /20° | 0.1 mm | 6 | |
| 25 Sept. | Patchy rain possible | 24° /20° | 0.6 mm | 6 | |
| 26 Sept. | Patchy rain possible | 25° /20° | 0.6 mm | 6 | |
| 27 Sept. | Patchy rain possible | 25° /20° | 0.1 mm | 7 | |
| 28 Sept. | Patchy rain possible | 25° /20° | 0.9 mm | 6 | |
| 29 Sept. | Patchy rain possible | 26° /20° | 0.5 mm | 7 | |
| 30 Sept. | Light rain shower | 25° /20° | 1.1 mm | 7 | |
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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.
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 16.1 mm over approximately 16 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 25 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Port Louis in September?
As you prepare for your trip to Port Louis 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 Port Louis, 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 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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