The weather in September in Port Louis

It's warm in September in Port Louis with an average temperature of 26°C. Temperatures this month range from a low of 25°C to a high of 27°C. At night, you can expect temperatures between 18°C and 20°C.

Looking for great weather? September is a good time to be in Port Louis. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Port Louis, Mauritius. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 29°C in 2015, Port Louis reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 22°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 14°C to a highest value of 21°C.

Water temperature

The water temperature at Port Louis is 25°C this month. Lovely temperature for a swim.

Rainfall amount

In September, there is an average of 61 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in September for Port Louis

Click on any day in September to get detailed info about the usual weather on that day in Port Louis. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Port Louis New York
Average temperature 26°C 27°C
Max. temperature 27°C 31°C
Min. temperature 18°C -5°C
Total precipitation 61 mm 57 mm
Rainy days 9 days 9 days

Start of September

The month of September starts in Port Louis with warm temps, averaging around 26°C during the day and nights around 19°C.

Mid September

By mid-September, daytime temps stay steady at around 26°C, with nights around 19°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of September

By the end of September, the average daytime temperature in Port Louis is around 27°C, while nighttime temps are about 20°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Port Louis

UV index

The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Port Louis for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Port Louis, Mauritius. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Port Louis

Temperature in September in Port Louis over the years

Precipitation charts

These charts show the average amount of precipitation in September in Port Louis, Mauritius. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Port Louis

Total precipitation in September in Port Louis over the years

Daily UV index in September in Port Louis

This chart shows the average daily UV index in September in Port Louis, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Port Louis

Have you been to Port Louis in September?

Share your weather experience in September in Port Louis.

Your email will not be shown in the review and will not be shared with others.

Average weather in Port Louis by month

Click on a month below to see detailed weather info for Port Louis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.