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September Weather in Gros Cailloux, Mauritius

Last updated: August 23, 2025

In September, the average temperature in Gros Cailloux, Mauritius rests at a pleasant 22°C (71°F). Expect comfortable days with a minimum of 18°C (65°F) and a maximum reaching 26°C (79°F). While enjoying this mild climate, be prepared for 29 mm (1.1 in) of precipitation spread over about 10 days, and note that the average humidity is a humid 78%.

September Temperature in Gros Cailloux

In September in Gros Cailloux, the average temperature is 22°C (71°F), with maximums reaching 26°C (79°F) and minimums dropping to as low as 18°C (65°F). This mild and pleasant climate makes it an ideal time for outdoor activities and exploring the local attractions.

September Weather in Gros Cailloux: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Gros Cailloux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gros Cailloux, September typically has an average temperature of 22°C (71°F), with highs reaching up to 26°C (79°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979777572717071737578
Data source: Temperature data for Gros Cailloux 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 Gros Cailloux

In Gros Cailloux in September, the precipitation amount is 29 mm (1.1 in) over a span of 10 days.

September Precipitation Trends in Gros Cailloux

The chart displays monthly precipitation patterns in Gros Cailloux, 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 Gros Cailloux, September typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec17218117711256404335294163113
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gros Cailloux

In Gros Cailloux in September humidity is 78%. With an average temperature of 22°C (71°F), this humidity feels like a warm, tropical embrace that can make even short walks feel sticky and intense, leaving travelers seeking shade and a refreshing drink to cool down.

September Average Humidity in Gros Cailloux

This chart illustrates the average monthly humidity levels in Gros Cailloux, 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 Gros Cailloux is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%86%82%83%80%74%75%74%78%77%78%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gros Cailloux

In Gros Cailloux 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 Gros Cailloux.

Maximum UV Index Levels in Gros Cailloux for September

The chart shows the monthly maximum UV Index (UVI) for Gros Cailloux 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 Gros Cailloux typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161614129781011131415
Data source: Gros Cailloux 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 Gros Cailloux Compares to Other Months

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

This table compares monthly weather conditions in Gros Cailloux, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)172 mm (6.8 inches)82%extreme
February Weather26°C (79°F)181 mm (7.1 inches)86%extreme
March Weather26°C (79°F)177 mm (7.0 inches)82%extreme
April Weather25°C (78°F)112 mm (4.4 inches)83%extreme
May Weather24°C (75°F)56 mm (2.2 inches)80%very high
June Weather22°C (72°F)40 mm (1.6 inches)74%high
July Weather21°C (71°F)43 mm (1.7 inches)75%very high
August Weather21°C (71°F)35 mm (1.4 inches)74%very high
September Weather22°C (71°F)29 mm (1.1 inches)78%extreme
October Weather23°C (74°F)41 mm (1.6 inches)77%extreme
November Weather24°C (76°F)63 mm (2.5 inches)78%extreme
December Weather26°C (78°F)113 mm (4.5 inches)81%extreme

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