Last updated: August 21, 2025
In September, the weather in Grande Riviere Sud Est, Mauritius offers a delightful blend of temperatures and moisture. With a maximum of 25°C (78°F) and an average of 21°C (71°F), the climate is generally pleasant for outdoor activities. The minimum temperature dips to a comfortable 18°C (65°F), making evenings cozy. However, anticipate a moderate rainfall with approximately 40 mm (1.6 in) over 14 days, contributing to the region’s lush greenery. Coupled with a humidity level of 80%, it's a month to enjoy the vibrant natural beauty while remaining prepared for occasional showers.
In September, Grande Riviere Sud Est, Mauritius begins to transition from the cooler winter months into a milder spring. The temperatures show a slight upward trend, with nighttime lows around 18°C (65°F) and daytime highs peaking at 25°C (78°F). The average temperature during this month settles at a comfortable 21°C (71°F), making it an inviting time for outdoor activities. As the island approaches October, these gentle increases hint at the warmer conditions to come, offering visitors a pleasant blend of warmth and refreshing breezes perfect for exploring the stunning coastal landscapes.
As September unfolds in Grande Riviere Sud Est, Mauritius, the landscape experiences a gentle shift in precipitation patterns. Typically, this month sees 40 mm (1.6 in) of rain over approximately 14 days, continuing the downward trend in rainfall from the earlier months. Following the peak wet months of February and March, which often bring substantial downpours, September marks a transitional phase with significantly lighter rainfall compared to the earlier part of the year. This reduction not only contributes to a more pleasant climate but also signals the approach of spring. Overall, the September weather encapsulates a brief reprieve before the year-end rains reclaim their significance, making it a time for both relaxation and anticipation in this picturesque Mauritian locale.
In September, Grande Riviere Sud Est experiences a slight uptick in humidity, reaching 80%, which is consistent with the overall trend seen throughout the year. After the lower levels of 76% observed in both June and August, September marks a return to more typical tropical conditions. This month fits into the larger seasonal pattern where humidity peaks during the earlier months—from February's high of 86%—before gradually decreasing toward the cooler dry season. The fluctuations highlight the region's lush climate, contributing to its vibrant ecosystem, while also offering a subtle hint that the humid days of summer are giving way to a more temperate fall.
In September, Grande Riviere Sud Est experiences a UV Index of 11, placing it back in the extreme exposure category, with a burn time of just 10 minutes. This is a slight uptick from August's UV Index of 10, which was categorized as very high. The month marks a transition as the region approaches the end of winter, reinforcing the need for sun protection as the UV intensity remains significant. Following a trend seen earlier in the year, September's values echo the extremes of the preceding months, emphasizing the importance of vigilance against harmful UV rays. For comprehensive insights and updates on sun safety, visit Grande Riviere Sud Est UV Index.
UV Risk Categories
September in Grande Riviere Sud Est, Mauritius, showcases a delightful balance of sunshine, with an impressive 330 hours of daylight to bask in. This month mirrors the vibrant warmth of the preceding summer, maintaining a steady glow before transitioning into October's peak sunshine of 364 hours. Notably, this consistent pattern hints at a gradual increase in sunlight as the year progresses, encouraging both relaxation and adventure against the backdrop of Mauritius' stunning landscapes. With its rich blend of sunshine in September, visitors are beckoned to explore the island’s beauty while soaking up the sun's radiant embrace.
In Grande Riviere Sud Est, Mauritius, September offers a 56% chance of sunny weather, marking a slight increase from the preceding months of July and August, which both hover around the mid-50s. As the island transitions from winter to spring, this uptick hints at the return of brighter skies, making September a delightful time for outdoor enthusiasts. The trend reflects a gradual increase in sunny days as the year progresses, reaching its peak in November at 66%. So, if you're planning a visit this September, you can expect a fair share of sunshine, perfect for soaking in the breathtaking scenery of this tropical paradise.
In Grande Riviere Sud Est, Mauritius, the daylight duration exhibits a fascinating rhythm as the seasons change. During the delightful month of September, residents and visitors alike can enjoy approximately 11 hours of daylight, maintaining a consistent pattern seen throughout the late winter and early spring months. This duration mirrors the preceding months of July and August, hinting at the island’s gentle transition from winter to the vibrant warmth of spring. As the year progresses toward October, daylight begins to extend once more, beckoning the return of longer days. Overall, the daylight trend reflects a gradual shift, with longer hours brightening the days from late spring through the height of summer, a testament to the island's enchanting climatic rhythm.
As September ushers in a gentle transition at Grande Riviere Sud Est, Mauritius, the average wind speed reaches a lively 7.1 m/s (16 mph), hinting at the island's vibrant coastal energy. This month stands out as part of a noticeable trend, with wind speeds progressively increasing from the relatively calm conditions of early autumn, peaking during the winter months of June and July. The consistent breezes in September, combined with the crispness in the air, create a perfect environment for both adventure seekers and relaxation enthusiasts. With the winds starting to soften in the following months, the blend of invigorating breezes and stunning coastal views makes September a particularly enchanting time to experience the island's natural beauty.
Weather in Grande Riviere Sud Est varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Grande Riviere Sud Est, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather in September and January, there is a noticeable difference in temperatures and precipitation. September experiences a milder climate, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 25°C (78°F), accompanied by relatively low precipitation of 40 mm (1.6 in) over 14 days and humidity at 80%. In contrast, January sees warmer temperatures, with average lows of 21°C (71°F) and highs of 30°C (86°F). It also has significantly higher rainfall, with 174 mm (6.8 in) over 23 days, and humidity slightly increasing to 82%. For more detailed insights about January weather, you can check Grande Riviere Sud Est weather in January.
September and February present distinct weather patterns, reflecting the transition from the dry season to the wet season. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 25°C (78°F), with an average of 21°C (71°F). The month sees relatively low precipitation at 40 mm (1.6 in) over 14 days, accompanied by a humidity level of 80%. In contrast, February features warmer temperatures with a minimum of 23°C (73°F) and a maximum of 29°C (85°F), averaging at 26°C (79°F). This month experiences significantly higher rainfall, totaling 196 mm (7.7 in) across 24 days, and a slightly elevated humidity level of 86%. For more detailed information, check out Grande Riviere Sud Est weather in February.
In comparing the weather of September and March, we see a notable increase in temperatures during March, with minimums of 22°C (72°F) and maximums reaching 29°C (85°F), compared to September’s warmer averages of 18°C (65°F) for minimums and 25°C (78°F) for maximums. Additionally, March experiences significantly higher precipitation, with 201 mm (7.9 in) recorded over 27 rainy days, while September sees only 40 mm (1.6 in) across 14 days. Both months have relatively high humidity levels, with March at 82% and September slightly lower at 80%. For a more detailed look at March weather, you can visit Grande Riviere Sud Est weather in March.
In comparing the weather of September and April, we can see distinct differences. September enjoys milder temperatures, with a minimum of 18°C (65°F) and an average of 21°C (71°F), while April is considerably warmer, starting at a minimum of 22°C (71°F) and averaging 25°C (77°F). However, April also brings more precipitation, receiving 138 mm (5.4 in) over 25 days, compared to September's much lighter rainfall of 40 mm (1.6 in) across 14 days. Humidity levels remain relatively high in both months, with September at 80% and April slightly higher at 83%. For those interested in specifics about the weather during this period, you can check out Grande Riviere Sud Est weather in April.
In comparing the weather of September and May, we see that September features slightly cooler temperatures, with a minimum of 18°C (65°F) and a maximum of 25°C (78°F), while May is warmer, starting at a minimum of 20°C (67°F) and reaching up to 27°C (81°F). September has an average temperature of 21°C (71°F), whereas May's average temperature is a bit higher at 23°C (75°F). Precipitation is more pronounced in May, with 78 mm (3.1 in) over 18 days, compared to September's 40 mm (1.6 in) spread across 14 days. Both months share a high humidity level of 80%, making the air feel quite muggy. For more detailed weather information, you can check Grande Riviere Sud Est weather in May.
In comparing the weather of September and June, we see some notable similarities and differences. September experiences slightly lower temperatures with a minimum of 18°C (65°F) and an average of 21°C (71°F), whereas June has a min of 19°C (67°F) and an average of 22°C (72°F). This results in June being marginally warmer overall, with a maximum temperature of 26°C (79°F) compared to September's 25°C (78°F). Precipitation levels are higher in June, with 60 mm (2.3 in) over 16 days, while September sees 40 mm (1.6 in) over 14 days, indicating that June is typically wetter. Despite these differences, both months maintain high humidity levels, with September at 80% and June slightly lower at 76%. For more detailed information, you can check this link: Grande Riviere Sud Est weather in June.
In comparing the weather of September and July, both months exhibit similar average temperatures, hovering around 21°C (71°F), with maximums reaching up to 25°C (78°F). However, September experiences slightly warmer minimum temperatures of 18°C (65°F) compared to July's 17°C (64°F). Precipitation levels are notably higher in July, with 67 mm (2.6 in) recorded over 19 days, versus September's 40 mm (1.6 in) over 14 days. Additionally, September has a higher humidity level at 80%, while July is slightly lower at 77%. For a more detailed look at July's weather conditions, you can visit Grande Riviere Sud Est weather in July.
In comparing the weather between August and September, both months showcase similar average temperatures, ranging from a minimum of 17-18°C (62-65°F) to a maximum of 25°C (78°F). However, September experiences slightly higher humidity levels at 80% compared to August's 76%. Precipitation is also slightly lower in September at 40 mm (1.6 in) over 14 days, whereas August sees 48 mm (1.9 in) across 12 days. For more detailed insights into the August weather, you can refer to Grande Riviere Sud Est weather in August.
In September, the weather features a temperature range from a minimum of 18°C (65°F) to a maximum of 25°C (78°F), with an average of 21°C (71°F). The month experiences about 40 mm (1.6 in) of precipitation over 14 days, coupled with high humidity at 80%. In contrast, October sees slightly warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 27°C (81°F), averaging 23°C (73°F). Although October has a higher total precipitation of 47 mm (1.8 in) spread across 15 days, the humidity remains relatively stable at 79%. For more detailed insights into October's weather, check out Grande Riviere Sud Est weather in October.
In September, the weather is characterized by milder temperatures, with averages around 21°C (71°F) and a maximum of 25°C (78°F). The month experiences a total precipitation of 40 mm (1.6 in) over approximately 14 days, accompanied by a humidity level of 80%. In contrast, November brings slightly warmer conditions, with an average temperature of 24°C (75°F) and maximum readings reaching 28°C (83°F). However, November also sees increased rainfall, with a total of 71 mm (2.8 in) across 15 days and a similar humidity level of 81%. For a more detailed look at November's weather, visit Grande Riviere Sud Est weather in November.
September and December exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 25°C (78°F), with an average of 21°C (71°F). The month sees about 40 mm (1.6 in) of precipitation over 14 days, accompanied by a humidity level of 80%. In contrast, December offers warmer conditions with temperatures between 22°C (72°F) and a high of 30°C (86°F), averaging 25°C (78°F). This month is significantly wetter, receiving 132 mm (5.2 in) of rainfall spread over 24 days, and humidity slightly increases to 82%. For more detailed information, you can refer to Grande Riviere Sud Est weather in December.
As September ushers in the change of seasons in Grande Riviere Sud Est, visitors can expect a refreshing shift in the weather. With temperatures settling around a comfortable average of 21°C, it marks a transition from the colder months, making way for warmth without the intense heat of summer. However, this month does bring a bit of moisture, with increased humidity reaching up to 80% and intermittent rainfall over 14 days, hinting at nature's preparations for the impending spring. For those planning their travels, this is a splendid time to experience a milder climate and lush landscapes. For more detailed insights, check out Grande Riviere Sud Est Climate.