What is the weather like in Port Louis in September?

Expect temperatures between 20°C and 26°C with 10% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Port Louis in September?

Port Louis in September scores 59/100 based on 30 years of climate data. Decent conditions for most activities.

Who should visit Port Louis in September?

September in Port Louis is ideal for: Beach lovers, Families with children, Elderly travelers, Outdoor enthusiasts, Photographers.

Port Louis Weather in September | 30-Year Forecast

Avg High

26°C

Hottest around day 30

Avg Low

20°C

Coolest around day 1

Rainy Days

0days

10% avg rain chance

Sunshine

8hrs/day

Autumn season

Sea Temperature in September

Indian Ocean

24.2°C

Monthly Average

Water Feel

☀️Warm

Perfect for swimming and water sports

Swim Rating

✅Excellent for swimming

Based on average sea surface temperature

Body of Water

Indian Ocean

Port Louis coastline

Essential Travel Info for Port Louis

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

MUR

₨ Mauritian rupee

Language

English

+2 more

Driving

Left side

Safety

High Safety

GPI: 1.57

Travel Intelligence

Exclusive flight analytics & health data for Port Louis

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote

16/ 100

Traffic Index

Off the beaten path

Peak Daily Arrivals

slots per day

Peak

Dec

Low

Sep

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

St Denis Roland Garros (RUN)

Jo'anna OR Tambo (JNB)

Dubai (DXB)

Port Mathurin Sir Charles Gaetan Duval (RRG)

Paris Charles de Gaulle (CDG)

Health & Safety Advisory

CDC travel health recommendations

8 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Mauritius.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to Mauritius.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Mauritius.If rabies exposures occur while in Mauritius, rabies vaccines may only be available in larger suburban/urban medical facilities.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

+2 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Port Louis?

👌Decent conditions for most activities(59/100)

Short Answer

Storm season alert for Port Louis in September: beyond the 26°C, 10% rain averages, hurricane risk requires travel insurance and schedule flexibility.

Decision Factors

Cyclone season active

Indian Ocean zone - expect potential cyclone activity

Vaccinations required

Yellow Fever

Ideal temperature range

25.9°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 10% rain probability - ideal for outdoor activities

Pleasant swimming conditions

24.2°C sea temperature

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Dengue

Good For

🏖️
Beach lovers
24.2°C warm seas and 10% rain probability
👨‍👩‍👧‍👦
Families with children
Comfortable 25.9°C temperatures and low 10% rain risk
👴
Elderly travelers
Comfortable 25.9°C temperature range with manageable humidity
🥾
Outdoor enthusiasts
Ideal hiking conditions: 25.9°C, 10% rain chance
📸
Photographers
11h sunshine, 59% clear skies for golden hour shots

Who Should Avoid

💼
Business travelers
Storm season may cause flight disruptions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Port Louis in September averages 26°C with 10% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Port Louis in September

What are the temperatures in Port Louis in September?

Daytime highs average 26°C, nights drop to 20°C. Temperatures remain fairly consistent.

How many rainy days in Port Louis in September?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Port Louis in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Port Louis?

This is typically peak season with higher prices. Book 2-3 months ahead.

Port Louis Weather in September