Last updated: August 21, 2025
In September, Grande Riviere Noire, Mauritius, welcomes visitors with a delightful climate marked by a maximum temperature of 26°C (80°F) and a comfortable average of 23°C (73°F). With minimums dipping to 19°C (67°F), locals and tourists alike can enjoy pleasant evenings. The month sees a modest precipitation amount of 13 mm (0.5 in) over just three days, making rain less of a concern. Additionally, a humidity level of 78% adds a tropical flair to the atmosphere, perfect for enjoying the stunning natural beauty of this coastal paradise.
As September rolls into Grande Riviere Noire, Mauritius, visitors can expect a delightful shift in temperatures signaling the arrival of spring. With minimums dipping to 19°C (67°F) and daytime averages lingering around 23°C (73°F), the coastal town offers a refreshing escape from the winter chill. The maximum temperatures hover at a pleasant 26°C (80°F), providing the perfect balance for outdoor activities and relaxation by the sea. This month marks a transition from cooler days in winter, making it an ideal time to enjoy the region's natural beauty and vibrant landscapes. Overall, September invites travelers to embrace the mild warmth, coupled with the rejuvenating breezes that characterize this enchanting destination.
In September, Grande Riviere Noire experiences a noteworthy decrease in precipitation, recording a mere 13 mm (0.5 in) of rainfall over just three days. This decline marks the transition into the drier months of the year, with a significant drop from the earlier months, such as January's 143 mm (5.6 in). As the island moves into the heart of its dry season, rainfall patterns reveal a steady reduction, highlighted by the minimal showers of September, paving the way for the gradually sunnier days ahead. The mid-year shift reflects a broader trend, with precipitation consistently tapering off from the earlier heavy rains of January through April, emphasizing a clear seasonal rhythm in this tropical locale.
In September, the humidity in Grande Riviere Noire, Mauritius hovers around 78%, a slight dip from the peak summer months of January and February, which see levels of 82% and 86% respectively. This transitional period marks a gradual decrease in humidity, continuing the trend observed from June to August, where levels fell to a comfortable 74%. Although September experiences a modest rise compared to the previous months, it maintains the humid characteristic of the region. As the year progresses into the latter months, the humidity remains fairly stable, oscillating between 77% and 81%, creating a warm yet welcoming atmosphere perfect for the lush landscapes and vibrant life in this tropical paradise.
In September, Grande Riviere Noire, Mauritius, experiences a UV Index of 11, categorizing the exposure as extreme, which means you can expect to be at risk of harm from unprotected sun exposure in just 10 minutes. This trend of high UV levels continues from the preceding months, reflecting the region's consistently intense sunlight during the year. January and February lead with the highest readings of 16, while the UV Index generally trends downwards in the cooler months, peaking again in the spring. As you plan your outdoor activities, it's essential to stay informed and protected. For more details on the UV Index in this stunning locale, check out Grande Riviere Noire UV Index.
UV Risk Categories
As September unfolds in Grande Riviere Noire, Mauritius, sunshine graces the shores with 330 hours of warmth, mirroring the delightful glow found in August. This monthly brightness marks a trend of consistent luminosity as the region transitions from the heart of winter into a vibrant spring. Notably, the sunlight hours steadily increase from the winter months of June and July, which see lower totals of 296 and 311 hours respectively, hinting at the approaching summer's peak. As one moves from September into the bounteous October, the sunshine continues to intensify, culminating in an impressive 364 hours. With each passing month, the allure of the sun makes its presence known, providing a perfect backdrop for outdoor adventures and sun-kissed relaxation.
As September rolls in, Grande Riviere Noire, Mauritius enjoys a delightful 66% chance of sunny weather, making it a fantastic time to soak up the sun's rays. This marks a slight dip from the vibrant sunshine seen in May and November, both hitting 71%, but still comfortably above the mid-year months. Notably, the weather in September transitions from the drier, brighter days of late winter, maintaining a favorable trend alongside October's 64%. With its consistently pleasant climate, this coastal gem offers a lovely backdrop for outdoor adventures and relaxation as the stunning summer approaches.
As September arrives in Grande Riviere Noire, Mauritius, the island enjoys a steady 11 hours of daylight, a consistency that reflects the transition from winter to spring. Following the variation of earlier months, where January and February bask in 13 to 12 hours of sunlight, September signifies a slight plateau after the gradually decreasing daylight from April's eleven hours. Moving forward, the days will begin to lengthen again in October, offering more sunshine as the year progresses toward the summer months. This rhythm of daylight showcases the island’s marvelous cyclical nature, inviting both locals and visitors to revel in the warm, bright days that define its vibrant climate.
As September arrives in Grande Riviere Noire, Mauritius, the wind begins to pick up pace, averaging 7.0 m/s (16 mph), characteristic of the island's breezy transition from winter to spring. This early spring month showcases a subtle decline from the stronger gusts of July, which reaches a peak of 8.1 m/s (18 mph). However, September's winds still maintain a lively strength, reflecting a shift when compared to the calmer summer months of November and December, where speeds drop to around 4.2 m/s (9 mph). This vibrant breeze invites both adventure and relaxation, making it an ideal time for water sports enthusiasts and nature lovers to experience the dynamic beauty of the island’s coastal landscapes. Overall, September serves as a reminder of the island's climatic rhythm, where the wind plays an integral role in shaping the outdoor experience.
Weather in Grande Riviere Noire varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Grande Riviere Noire, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between September and January, we see a noticeable increase in both temperature and humidity. September enjoys milder temperatures, with a minimum of 19°C (67°F) and an average of 23°C (73°F), while January features warmer conditions, starting at a minimum of 24°C (75°F) and reaching an average of 27°C (80°F). Additionally, January experiences significantly higher precipitation, with 143 mm (5.6 in) over 17 days, compared to September's 13 mm (0.5 in) over just 3 days. The humidity also rises slightly from 78% in September to 82% in January, contributing to a more tropical feel. For a more detailed look at January conditions, check out Grande Riviere Noire weather in January.
In comparing the weather patterns of September and February, it is evident that February tends to be significantly warmer and wetter. September records a milder temperature range, with average highs of 26°C (80°F) and lower humidity at 78%. In contrast, February experiences higher temperatures, with an average max of 30°C (87°F) and increased humidity at 86%. Additionally, February is marked by much heavier rainfall, accumulating 133 mm (5.2 in) over 19 days, compared to a drier September with just 13 mm (0.5 in) over 3 days. For more detailed insights on February weather, please visit Grande Riviere Noire weather in February.
September and March showcase notable differences in weather patterns. In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 26°C (80°F), with an average of 23°C (73°F). This month experiences relatively low precipitation, with only 13 mm (0.5 in) falling over just 3 days and humidity averaging around 78%. In contrast, March is warmer, with minimum temperatures at 24°C (76°F) and reaching up to 30°C (87°F), averaging 27°C (81°F). However, it also brings significantly higher rainfall, totaling 123 mm (4.8 in) over 17 days, and slightly increased humidity at 82%. For more detailed information, check out the weather specifics for Grande Riviere Noire weather in March.
In comparing the weather between September and April, it is clear that April tends to be warmer and wetter. September features a milder climate with average temperatures ranging from 19°C (67°F) to a maximum of 26°C (80°F) and only 13 mm (0.5 in) of precipitation over three days. In contrast, April has an average temperature between 23°C (73°F) and 30°C (86°F), accompanied by significantly higher precipitation of 84 mm (3.3 in) spread across 15 days. Additionally, humidity levels are slightly higher in April at 83%, compared to 78% in September. For more detailed insights on the weather in April, visit Grande Riviere Noire weather in April.
September and May present distinct weather characteristics in terms of temperature and precipitation. September tends to be slightly cooler, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 26°C (80°F), while May enjoys warmer conditions, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 28°C (83°F). Additionally, May sees more rainfall, averaging 39 mm (1.5 in) compared to September's 13 mm (0.5 in), and experiences precipitation over 6 days, whereas September has precipitation on only 3 days. Both months have high humidity levels, but September is marginally lower at 78% compared to May’s 80%. For more detailed information on May weather, you can check Grande Riviere Noire weather in May.
Comparing the weather in September and June reveals some interesting nuances. In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 26°C (80°F), with an average of 23°C (73°F). The month sees less precipitation, totaling 13 mm (0.5 in) over just three days, accompanied by relatively higher humidity at 78%. In contrast, June features slightly warmer mornings with a minimum of 21°C (69°F) and similar maximum temperatures reaching 27°C (80°F), while the average remains almost the same at 23°C (74°F). However, June experiences more rainfall, accumulating 21 mm (0.8 in) also over three days, and slightly lower humidity at 74%. For a detailed look at June weather, you can check Grande Riviere Noire weather in June.
In September, the weather remains warm, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 26°C (80°F), averaging 23°C (73°F). The month experiences slightly less precipitation than July, with only 13 mm (0.5 in) over about three days, and a humidity level of 78%. In contrast, July shows a similar temperature range, with a minimum of 19°C (67°F) and an average of 22°C (73°F), but it sees more rainfall, totaling 21 mm (0.8 in) across four days, alongside a slightly lower humidity of 75%. For more detailed information on July weather, check out Grande Riviere Noire weather in July.
In comparing the weather between August and September, September shows a slight increase in average temperature, reaching 23°C (73°F) compared to August's 22°C (72°F). Both months have similar maximum temperatures of 26°C (80°F), but September's minimum temperature remains constant at 19°C (67°F). Precipitation in September is lighter, with only 13 mm (0.5 in) over 3 days, compared to August's 19 mm (0.7 in) also over 3 days. Additionally, September experiences slightly higher humidity at 78%, up from August's 74%. For more detailed insights, you can refer to Grande Riviere Noire weather in August.
In September, the weather features a mild temperature range with a minimum of 19°C (67°F), an average of 23°C (73°F), and a maximum of 26°C (80°F). The month sees relatively low precipitation, totaling just 13 mm (0.5 in) over 3 days, accompanied by a humidity level of 78%. In contrast, October experiences slightly warmer conditions, with temperatures ranging from a minimum of 20°C (69°F) to an average of 24°C (75°F) and a maximum of 27°C (81°F). However, it is also wetter, with precipitation increasing to 30 mm (1.2 in) over 9 days, while humidity remains similar at 77%. For more detailed weather patterns, you can check the Grande Riviere Noire weather in October.
In September, the weather tends to be warm, with temperatures ranging from a minimum of 19°C (67°F) to an average of 23°C (73°F) and a maximum of 26°C (80°F). The month experiences relatively low precipitation, totaling just 13 mm (0.5 in) over about 3 days, while humidity remains steady at 78%.
In contrast, November brings slightly warmer conditions, with a minimum temperature of 20°C (68°F) and an average of 25°C (77°F), peaking at 28°C (83°F). However, it also sees an increase in rainfall, with precipitation reaching 36 mm (1.4 in) over approximately 10 days, maintaining the same humidity level of 78%. For more details, check out Grande Riviere Noire weather in November.
In September, the weather is generally milder, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 26°C (80°F). Precipitation is relatively low, with only 13 mm (0.5 in) falling over three days, and humidity levels are around 78%. In contrast, December sees warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 30°C (86°F), making it noticeably hotter. However, it also experiences more rainfall, accumulating 67 mm (2.6 in) over 16 days, contributing to a slight increase in humidity to 81%. For more detailed information, you can check Grande Riviere Noire weather in December.
As September unfolds in Grande Riviere Noire, the weather transitions gently, offering a delightful blend of moderate temperatures and low precipitation. With maximums around 26°C and delightful averages at 23°C, the atmosphere is pleasantly warm but not oppressively hot, making it an ideal time for outdoor activities. Comparatively, this month experiences significantly lower rainfall, with only a few days of light showers, providing a refreshing change from the wetter seasons. Additionally, the humidity levels remain manageable, allowing visitors to relish the natural beauty and vibrant landscapes of the region. For more detailed insights into the weather patterns throughout the year, explore the full overview of the Grande Riviere Noire Climate.