Port-Louis Weather in September

September in Port-Louis brings high temperatures, with highs of 30°C (86°F) and nights dropping to 26°C (79°F). Rainfall is on the higher side this month, averaging around 143 mm (5.6 in), so keep a rain jacket handy.

Rainfall in Port-Louis in September

Looking at the last 30 years, the data shows about 17 days with rain, averaging 143 mm (5.6 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Port-Louis in September

September in Port-Louis brings high temperatures, with highs of 30°C (86°F) and nights around 26°C (79°F). This kind of day-to-night contrast is typical for this time of year. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.

Sunshine in Port-Louis in September

Expect sunny days throughout the month, with an estimated 218 hours of sunshine. This makes it a pleasant time to visit Port-Louis.

Wind Speed in Port-Louis in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in September

At 29°C (84°F), the water is very warm, more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Port-Louis. Our weather planner can help you explore destinations with more pleasant weather conditions.