Port-Louis Weather: September
 |
Average Day Temperature: | 78.8°F |
|
Average Night Temperature: | 71.8°F |
|
Sea Water Temperature: | 78.0°F |
|
Number of Sunny Days: | 10 days |
| Sunshine Hours: | 11.7 - 12.3 hours | |
|
Number of Rainy Days: | 0 days |
| Precipitation Totals: | 0.6 in | |
| detailed information | ||
forecast
| Port-Louis |
Temperature
| Port-Louis |
Air Temperature in September, °F
The highest day temperature in September 2025 was 80°F. The lowest night temperature was 67°F. The average values for day and night temperatures during September were 77.0°F и 69.9°F respectivly.
Port-Louis Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Port-Louis was 78.0°F. The maximum and minimum values were 77.4°F and 78.6°F respectively.
Most of the days in September are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Port-Louis is 0.6 in. It makes september the least rainy month of the year.
The average wind speed in September is 13.6 mph. It makes September one of the most windy months of the year for Port-Louis.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Port-Louis in September is 7.1 hours.
Port-Louis on the Weather Map
| Belle Mare |  |
+86 |
| Blue Bay | |
+86 |
| Flic en Flac |  |
+84 |
| Grand Baie | |
+84 |
| Grand Gaube | |
+84 |
| Le Morne |  |
+84 |
| Mauritius | |
+84 |
| Port-Louis | |
+86 |
| Tamarin Bay | |
+84 |
| Trou deau Douce | |
+86 |
| Turtle Bay | |
+84 |
| 1200 |  |
86°F | SW 11 mph |
| 1500 | |
86°F | S 9 mph |
| 1800 |  |
84°F | SW 9 mph |
| 2100 |  |
82°F | SW 8 mph |
| 0000 | |
80°F | W 7 mph |
| 0300 | |
78°F | W 7 mph |
| 0600 | |
78°F | SW 9 mph |
| 0900 |  |
84°F | SW 9 mph |