The weather in Port Louis in September is hot. The average temperatures are between 21°C and 24°C.
As it is almost never rain during September in Port Louis the weather is perfect for hanging out outside and exploring all that Port Louis has to offer.
Our weather forecast can give you a great sense of what weather to expect in Port Louis in September 2025.
If you’re planning to visit Port Louis in the near future, we highly recommend that you review the 14 day weather forecast for Port Louis before you arrive.
Temperatures
24° / 21°
Rainy Days
0
Snowy Days
0
Dry Days
30
Rainfall
21
mm
Sun Hours
11.4
Hrs