September Weather in Chamarel, Mauritius

Last updated: August 21, 2025

September in Chamarel, Mauritius, brings a delightful blend of mild weather and vibrant scenery. With maximum temperatures reaching 25°C (78°F) and a comfortable average of 22°C (71°F), the climate is perfect for outdoor adventures. However, evening temperatures can dip to a refreshing 18°C (65°F). This month also sees about 33 mm (1.3 in) of rainfall spread across 12 days, contributing to the lush landscapes the region is known for. Visitors can expect a humidity level of 78%, which enhances the tropical feel of this enchanting destination. Enjoy the balance of sun and occasional rain, making it an ideal time to explore Chamarel's breathtaking natural beauty.

September Temperature in Chamarel

In September, Chamarel, Mauritius, experiences a gentle transition from winter to spring, with temperatures that invite outdoor exploration. The minimum temperature settles at a mild 18°C (65°F), while the average climbs to a comfortable 22°C (71°F), peaking at 25°C (78°F) during the day. This month serves as a delightful bridge to warmer days, reflecting a gradual warming trend following the cooler August. As the weather stabilizes, visitors can expect pleasant conditions ideal for hiking through lush landscapes or enjoying the island’s stunning natural beauty, making September a particularly appealing time to visit.

September Weather in Chamarel: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Chamarel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chamarel, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979777572717071737578
Data source: Temperature data for Chamarel 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 Chamarel

September in Chamarel, Mauritius marks a transition towards drier conditions, with only 33 mm (1.3 in) of precipitation recorded over 12 days. This significant drop from the heavier rainfall of earlier months reflects a trend of decreasing precipitation as the island moves from winter into spring. Following the peak rains of January through March, where averages frequently exceed 150 mm (5.9 in), September's lower totals signify a shift in the weather pattern. The noticeable decline not only invites more sunshine but also sets the stage for an increase in outdoor activities, making it a delightful time for visitors to experience the stunning landscapes without the frequent interruptions of rainfall that characterize earlier months.

September Precipitation Trends in Chamarel

The chart displays monthly precipitation patterns in Chamarel, 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 Chamarel, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec15417617613469516343334262120
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chamarel

In September, Chamarel, Mauritius experiences a noticeable dip in humidity, settling at 78%—a slight decrease from the peak levels of 86% seen in February. As the island transitions from the moist mid-year months, the humidity starts to stabilize, continuing the downward trend initiated in June and holding steady throughout the fall months. The overall pattern reveals a cycle of higher humidity during the summer months, gradually easing into the drier autumn season. As September rolls in, the humidity remains comfortably moderate, allowing visitors to enjoy Chamarel's lush landscapes without the intense stickiness often associated with tropical climates.

September Average Humidity in Chamarel

This chart illustrates the average monthly humidity levels in Chamarel, 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 Chamarel is approximately {2}%, 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 Chamarel

In September, Chamarel, Mauritius experiences a UV Index of 11, categorized as extreme, with a burn time of just 10 minutes. This marks a slight increase from August's UV Index of 10, suggesting that as spring approaches, sun exposure becomes increasingly potent. Throughout the year, Chamarel maintains high to extreme UV levels, with significantly low burn times typically around 10 to 15 minutes during the peak months. As such, it's crucial for visitors to stay informed about sun safety to enjoy the island's breathtaking scenery without risking skin damage. For more detailed insights, explore the Chamarel UV Index.

Maximum UV Index Levels in Chamarel for September

The chart shows the monthly maximum UV Index (UVI) for Chamarel 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 Chamarel typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161614129781011131415
Data source: Chamarel 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.

September Sunshine in Chamarel

As September unfolds in Chamarel, Mauritius, the island basks in 330 hours of glorious sunshine. This delightful month reflects a steady warmth that follows the slightly cooler winter months, with hours of sunlight on par with August. The trend becomes more exuberant as October approaches, promising 364 hours of daylight. Notably, this upward trajectory continues into the subsequent months, peaking in December with an impressive 391 hours. This gradual increase not only enhances the region's vibrant landscapes but also invites visitors to indulge in outdoor adventures, making September a perfect prelude to the sun-drenched days that follow.

Monthly Sunshine Duration in Chamarel: September Highlighted

The September sunshine duration represents the total number of hours Chamarel experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec303h330h346h316h321h298h311h325h330h364h372h391h
Data source: Chamarel September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chamarel During September

In Chamarel, Mauritius, September enjoys a 58% chance of sunny weather, making it a pleasant time to visit. This month sees a promising continuation of summer vibes, with sunshine probability similar to the bustling months of January and May. As we transition from the cooler winter months of June, July, and August—which hover around the 53-55% mark—September offers an uplifting return to sunnier days, just in time for those looking to bask in Chamarel's natural beauty. Following September, the likelihood of sunny weather peaks in November at 68%, suggesting that the early spring can serve as a delightful prelude to the peak sunny season ahead.

Percentage of Sunny Days in September in Chamarel

The chart illustrates the percentage of sunny days in Chamarel throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Chamarel experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%51%48%27%62%53%56%55%58%56%68%50%
Data source: Chamarel September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chamarel in September

As September arrives in Chamarel, Mauritius, daylight plays a consistent role, offering approximately 11 hours of sunlight each day. This duration reflects a trend of gradual daylight reduction from the peak of 13 hours in January and November, dipping slightly as the year progresses into the cooler months. Following the longer days of mid-summer, sunlight hours stabilize around 11 hours from April through August, before the gradual increase resumes in October. The steady daylight in September provides a perfect backdrop for enjoying the island's stunning landscapes and vibrant culture, making it an inviting destination for those looking to experience the best of Mauritian tranquility.

Average Daylight Hours in Chamarel for September

The chart illustrates the variation in daylight duration in Chamarel throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 12m12h 45m12h 10m11h 35m11h 7m10h 53m11h11h 25m11h 58m12h 33m13h 4m13h 20m
Data source: Chamarel daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Chamarel

As September arrives in Chamarel, Mauritius, the winds pick up slightly, showcasing an average speed of 7.2 m/s (16 mph). This trend marks a notable increase from the previous months, where winds began their seasonal climb from a gentle 4.4 m/s (10 mph) in March to a robust 8.0 m/s (18 mph) in July. As the island transitions into spring, the breezy conditions in September offer a refreshing contrast to the milder earlier months, complementing the island's stunning landscapes with invigorating gusts. By October, the winds begin to mellow again, returning to a calmer 5.5 m/s (12 mph), making September a sweet spot for those seeking a balance of brisk and pleasant weather in this tropical paradise.

Average September Wind Speed in Chamarel

The chart displays monthly wind speed patterns in Chamarel, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.55.44.45.75.46.98.06.27.2 m/s5.54.75.3
Data source: Chamarel September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Chamarel Compares to Other Months

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

In September, the weather is relatively mild, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 25°C (78°F) and an average of 22°C (71°F). The month sees about 33 mm (1.3 in) of precipitation over approximately 12 days, with humidity levels at 78%. Conversely, January experiences warmer conditions, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 30°C (86°F) and an average of 26°C (79°F). However, it is also wetter, receiving 154 mm (6.0 in) of rain across 21 days, along with slightly higher humidity at 82%. For more specific details, you can check Chamarel weather in January.

In comparing the weather between September and February, September tends to be milder with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 25°C (78°F). The month sees relatively low rainfall, totaling 33 mm (1.3 in) over about 12 days, accompanied by a humidity level of 78%. In contrast, February experiences warmer temperatures, with an average ranging from 23°C (74°F) to a maximum of 30°C (86°F). This month is considerably wetter, receiving 176 mm (6.9 in) of precipitation over 24 days, alongside a slightly higher humidity level of 86%. For more detailed insights, you can check Chamarel weather in February.

In comparing the weather between September and March, it’s evident that March is significantly warmer and wetter. September experiences a milder climate with average temperatures ranging from 18°C to 25°C (65°F to 78°F) and relatively low precipitation of 33 mm over 12 days. In contrast, March boasts higher temperatures with a minimum of 22°C and a maximum of 30°C (73°F to 86°F), accompanied by much more rainfall at 176 mm across 25 days. Additionally, humidity levels are slightly higher in March at 82%, compared to 78% in September. For a detailed look at weather patterns, you can visit Chamarel weather in March.

When comparing the weather in September and April, it’s clear that April tends to be warmer and wetter. In September, the temperatures range from a minimum of 18°C (65°F) to a maximum of 25°C (78°F), with an average of 22°C (71°F) and lower humidity at 78%. In contrast, April boasts higher temperatures, with minimums starting at 22°C (71°F) and peaking at 29°C (84°F) for an average of 25°C (78°F). Additionally, April experiences significantly more rainfall, averaging 134 mm (5.3 in) over 24 days, compared to September's 33 mm (1.3 in) over just 12 days. For a more detailed look at April weather specifics, you can check Chamarel weather in April.

When comparing the weather in September and May, we observe some notable differences. September features a milder temperature range with a minimum of 18°C (65°F) and an average of 22°C (71°F), while May tends to be warmer, with minimum temperatures starting at 20°C (68°F) and averages reaching 24°C (75°F). Additionally, May experiences more precipitation, with 69 mm (2.7 in) over 14 days compared to September’s 33 mm (1.3 in) over 12 days. Humidity levels are fairly similar; September sees 78% humidity, while May is slightly higher at 80%. For more detailed insights on May weather, you can check Chamarel weather in May.

In September, temperatures are slightly cooler with a minimum of 18°C (65°F) and a maximum of 25°C (78°F), compared to June, which sees a minimum of 19°C (67°F) and a maximum of 26°C (79°F). Both months have similar average temperatures around 22°C (71°F in September and 72°F in June). However, September experiences less precipitation, totaling 33 mm (1.3 in) over 12 days, while June has a higher 51 mm (2.0 in) spread across 15 days. Additionally, September has a higher humidity level at 78% compared to June's 74%. For more details about the weather in June, you can check Chamarel weather in June.

When comparing the weather in September and July, both months experience similar temperature ranges, with minimums around 18°C (65°F) and maximums peaking at 25°C (78°F). However, September tends to be slightly drier, with only 33 mm (1.3 in) of precipitation over 12 days compared to July, which sees higher rainfall of 63 mm (2.5 in) over 16 days. Additionally, September has higher humidity at 78%, compared to July's 75%. For more detailed information on July weather patterns, you can visit Chamarel weather in July.

In comparing the weather between September and August, both months experience similar maximum temperatures, peaking at 25°C (78°F). However, September tends to be slightly warmer on average, with a minimum temperature of 18°C (65°F) compared to August’s 17°C (63°F). Humidity levels are a bit higher in September at 78%, compared to 74% in August. Additionally, September sees less precipitation overall, with 33 mm (1.3 in) of rain across 12 days, while August has 43 mm (1.7 in) of rainfall over 10 days. For a detailed look at August's weather, visit Chamarel weather in August.

In September, temperatures typically range from a minimum of 18°C (65°F) to a maximum of 25°C (78°F), with an average of 22°C (71°F). The month experiences about 33 mm (1.3 in) of precipitation over 12 days, while humidity levels hover around 78%. In contrast, October sees slightly warmer temperatures, with a minimum of 19°C (66°F), an average of 23°C (73°F), and a maximum of 27°C (82°F). Precipitation also increases to 42 mm (1.6 in) across 11 days, though humidity remains relatively steady at 77%. For more detailed insights, you can check Chamarel weather in October.

In September, temperatures in Chamarel typically range from a mild 18°C (65°F) at night to a comfortable average of 22°C (71°F) during the day, peaking at around 25°C (78°F). The month experiences about 33 mm (1.3 in) of precipitation over approximately 12 days, while the humidity remains steady at 78%.

In contrast, November sees slightly warmer conditions, with nighttime lows of 19°C (66°F) and daytime averages rising to 24°C (75°F), reaching a maximum of 29°C (84°F). The precipitation increases to 62 mm (2.4 in) across around 14 days, yet the humidity remains the same at 78%.

For more detailed information on November weather, you can visit Chamarel weather in November.

In comparing the weather between September and December, notable differences emerge. September experiences milder temperatures, with minimums around 18°C (65°F) and maximums reaching 25°C (78°F), accompanied by relatively low precipitation of 33 mm (1.3 in) over 12 days. In contrast, December sees warmer average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (86°F) and significantly higher precipitation levels, totaling 120 mm (4.7 in) across 22 days. Additionally, humidity slightly increases from 78% in September to 81% in December, contributing to a more tropical feel during the latter month. For more detailed information, you can check out Chamarel weather in December.

Compare Chamarel's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Chamarel

September in Chamarel offers a delightful transition into spring, characterized by mild temperatures and a refreshing average humidity of 78%. Compared to the cooler winter months, this time brings warmer days that invite exploration of the stunning landscapes. While precipitation is prevalent, with rain spread across about half the month, the total amount remains moderate, setting the stage for vibrant greenery. Overall, September's blend of comfortable warmth and occasional showers makes it a uniquely charming month in Chamarel's yearly cycle. For more insights on the weather patterns throughout the year, visit Chamarel Climate.