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September Weather in Port Mathurin, Mauritius

Last updated: August 23, 2025

In September, the average temperature in Port Mathurin, Mauritius is a pleasant 22°C (73°F). Expect minimum temperatures around 19°C (67°F) and maximums reaching 24°C (75°F). With an average humidity of 79%, you might feel the warmth a bit more. Be prepared for some rain, as 29 mm (1.1 in) of precipitation can occur over the course of 11 days.

September Temperature in Port Mathurin

In September in Port Mathurin, the average temperature is 22°C (73°F). Maximum can reach 24°C (75°F), and minimum can be as low as 19°C (67°F). This pleasant weather makes Port Mathurin an ideal destination for outdoor activities and exploration during this month.

September Weather in Port Mathurin: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Port Mathurin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Mathurin, September typically has an average temperature of 22°C (73°F), with highs reaching up to 24°C (75°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec798080797775737272747678
Data source: Temperature data for Port Mathurin generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Port Mathurin

In Port Mathurin in September, the precipitation amount is 29 mm (1.1 in) over the course of 11 days.

September Precipitation Trends in Port Mathurin

The chart displays monthly precipitation patterns in Port Mathurin, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Port Mathurin, September typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec10481175875456483629234298
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Port Mathurin

In Port Mathurin in September, humidity is 79%. With an average temperature of 22°C (73°F), this humidity feels like a warm, muggy embrace that makes outdoor activities feel more taxing, and a quick stroll can leave you feeling slightly sticky and ready for a refreshing break.

September Average Humidity in Port Mathurin

This chart illustrates the average monthly humidity levels in Port Mathurin, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Port Mathurin is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%83%82%78%78%77%79%80%82%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Port Mathurin

In Port Mathurin in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Port Mathurin.

Maximum UV Index Levels in Port Mathurin for September

The chart shows the monthly maximum UV Index (UVI) for Port Mathurin in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Port Mathurin typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161615129781011121314
Data source: Port Mathurin September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Port Mathurin Compares to Other Months

Weather in Port Mathurin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Port Mathurin, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Port Mathurin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)104 mm (4.1 inches)81%extreme
February Weather27°C (81°F)81 mm (3.2 inches)83%extreme
March Weather27°C (81°F)175 mm (6.9 inches)82%extreme
April Weather26°C (79°F)87 mm (3.4 inches)83%extreme
May Weather25°C (77°F)54 mm (2.1 inches)82%very high
June Weather24°C (75°F)56 mm (2.2 inches)78%high
July Weather23°C (73°F)48 mm (1.9 inches)78%very high
August Weather22°C (72°F)36 mm (1.4 inches)77%very high
September Weather22°C (73°F)29 mm (1.1 inches)79%extreme
October Weather23°C (74°F)23 mm (0.9 inches)80%extreme
November Weather24°C (76°F)42 mm (1.7 inches)82%extreme
December Weather26°C (79°F)98 mm (3.9 inches)82%extreme

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