Port Louis District · Mauritius
Port Louis in September
In September, Port Louis averages a daytime high of 25 °C and a night-time low of 17 °C, with about 54 mm of rain over the month. By the measure used here it is one of the most comfortable months to visit; they run June to November.
- Average high
- 25 °C
- Average low
- 17 °C
- Rain in the month
- 54 mm
- Daylight on 15 Sep
- 12 h
- Comfortable month
- Yes
- Places to stay
- 108
When to go
How September compares with the rest of the year in Port Louis
September is tied for the 9th warmest month in Port Louis by average daytime high; across the year the highs run from 24 °C to 29 °C and the lows from 16 °C to 22 °C. By day, September is 1 °C warmer than August, and October is 2 °C warmer than September.
September brings 54 mm of rain, less than the monthly average of 119 mm (1423 mm a year); it is the 11th wettest month.
On 15 September the sun is up for about 12 h, against 10 h 50 min at the shortest and 13 h 20 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 29 °C | 22 °C | 230 mm | |
| February | 29 °C | 22 °C | 273 mm | |
| March | 29 °C | 22 °C | 214 mm | |
| April | 28 °C | 21 °C | 129 mm | |
| May | 26 °C | 19 °C | 89 mm | |
| June | 25 °C | 17 °C | 70 mm | Yes |
| July | 24 °C | 17 °C | 58 mm | Yes |
| August | 24 °C | 16 °C | 68 mm | Yes |
| September | 25 °C | 17 °C | 54 mm | Yes |
| October | 26 °C | 18 °C | 46 mm | Yes |
| November | 28 °C | 19 °C | 55 mm | Yes |
| December | 29 °C | 21 °C | 139 mm |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is September a good time to visit Port Louis?
Yes, by the measure used here: in September the average high of 25 °C is between 18 °C and 29 °C and the 54 mm of rain is under 80 mm. The comfortable months in Port Louis are June to November.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
Public holidays in Mauritius in September
Nationwide public holidays; shops and offices may close on these dates.
When to go
Destinations near Port Louis that are comfortable in September
Within 300 km, nearest first, by the same measure.
Where to stay
Where to stay in Port Louis
This guide lists 108 places to stay in Port Louis, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 3; 1–3 km, 1; 3–10 km, 13; 10 km or more, 91.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.