Le Morne weather in September

September in Le Morne: warm, dry, with clean air — one of the best months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Le Morne🇲🇺 Mauritius · Indian Ocean Islands · Beach93
  1. 82Jan
  2. 84Feb
  3. 85Mar
  4. 85Apr
  5. 89May
  6. 89Jun
  7. 90Jul
  8. 92Aug
  9. 93Sep
  10. 93Oct
  11. 92Nov
  12. 89Dec

#1 of 12 months in Le Morne · #87 of 1413 destinations to visit in September · comfort 93/100 (tier S)

Days
26°C
Nights
21°C
Wet days
4
Sun
11 h
Humidity
69%
Daylight
12 h
Le Morne, Mauritius
Photo: Damini Gokool · Pexels

Traveller notes on Le Morne in September

Forum posters consistently recommend timing a Le Morne visit toward mid-to-late September rather than earlier in the month, since the peninsula's west-coast position gets less rain than the rest of the island this time of year but early September can still be quite windy. Posters describe September overall as late winter in Mauritius - warm, sunny, low-humidity conditions with generally little rainfall, more favorable toward the north and west of the island where Le Morne sits. Posters are direct that being a peninsula, Le Morne runs consistently windier than other parts of Mauritius regardless of exact date, with trade winds keeping the air noticeably cooler. Posters generally rate the second half of September as the more comfortable window for this specific spot.
Tripadvisor community · September · 1 month ago · Read more on Tripadvisor ↗

Other months in Le Morne

Mauritius-forum regulars are clear that July is winter, and that the coast you pick decides the holiday: the wind on the east and south coasts is at its strongest then and makes them feel cooler, while the west coast is relatively sheltered from those south easterlies and feels warmer. Sea temperatures are a touch cool but fine once you are in, one resident describes winter days of 23C and up with low humidity and cooler high-teen evenings, and another notes that winter now starts later and finishes earlier than it used to. Le Morne's July record: 24.3C days, 20.4C nights, 28mm across 8.3 precipitation days, a 25C sea - and the strongest wind of its year at 31.8 kph.
WestCoastWinterer · July · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Le Morne's card on the map.

Le Morne climate normals — September

Daytime high26°C / 78°F🌤 warm
Nighttime low21°C / 69°F
Feels like (high)25°C / 77°F
Sea temperature25°C / 77°F🙂 pleasant
Rainfall9 mm / 0.4 in☀️ dry
Rainy days4 days
Humidity69%💧 humid
Dew point17°C / 62°F
Sunshine11 h/day
Daylight12 h
Wind29 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)

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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.

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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 season

    Southeast 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 season

    Boats 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 ↗

What's on around the world in September →

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?

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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 25.5°C and a low of 20.6°C, with about 9.4 mm of rain over roughly 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.

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.