SeasonMapLe Morne weather in September
Mauritius
September in Le Morne: warm, dry, with clean air — one of the best months to visit.
#1 of 12 months in Le Morne · #99 of 1383 destinations to visit in September · comfort 93/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Le Morne in September
No notes yet. Open Le Morne on the map to add the first one.
Le Morne climate normals — September
| Daytime high | 25°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 20°C / 69°F | |
| Sea temperature | 25°C / 77°F | 🙂 pleasant |
| Rainfall | 9 mm / 0.4 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 17°C / 62°F | |
| Sunshine | 11 h/day | |
| Daylight | 12 h | |
| Wind | 29 km/h / 18 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Le Morne in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 2 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Le Morne's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherLe Morne's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Le Morne in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
One Eye kite & wave season
1 May – 31 Oct · usuallySurf seasonSoutheast trade winds blow a steady 15 to 30 knots across the Le Morne lagoon from May to October, powering One Eye, one of the fastest reef waves in the Indian Ocean, and filling the kite schools along the beach. Source ↗
- Nature
Whales and dolphins offshore
1 Jul – 31 Oct · usuallyWhale seasonBoats out of Le Morne and nearby Black River find humpback whales moving through from July to October, alongside pods of resident sperm whales and spinner dolphins that work this coast year-round. Source ↗
Nearby, and something's on
Within 300 km of Le Morne — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Le Morne?
Le Morne in September — FAQ
- Is September a good time to visit Le Morne?
- September in Le Morne: warm, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Le Morne on SeasonMap's comfort score (93/100).
- What is the weather like in Le Morne in September?
- In September, Le Morne averages a daily high of 25.4°C and a low of 20.4°C, with about 9.3 mm of rain over roughly 3.4 rainy days.
- What is the air quality in Le Morne in September?
- Le Morne has a mean US Air Quality Index of about 39 in September.
Other months in Le Morne
Compare Le Morne in September
Warmer or cooler than Le Morne in September
Similar destinations in Indian Ocean — September
Within 300 km: Port Louis' Champ de Mars racing season around 1 Apr – 30 Nov, and Grand Baie's Humpbacks off the west coast around 1 Jul – 31 Oct.