Last updated: August 21, 2025
In September, the delightful coastal town of Saint Aubin, Mauritius experiences a pleasant climate characterized by a maximum temperature of 25°C (78°F) and an average of 22°C (71°F), making it ideal for outdoor activities. The nights are refreshingly cool, with temperatures dipping to a minimum of 18°C (65°F). Visitors can expect moderate rainfall, with 33 mm (1.3 in) of precipitation spread over 12 days, lending a touch of greenery to the landscape. The humidity level hovers around 78%, adding to the tropical charm. Overall, September offers a perfect blend of warm days and cool nights, enticing travelers to explore this enchanting island gem.
In September, Saint Aubin, Mauritius experiences a gentle transition toward warmer temperatures, making it a delightful time to visit. With a minimum temperature of 18°C (65°F) and an average of 22°C (71°F), the island enjoys a comfortable climate that appeals to both beachgoers and adventurers alike. The maximum temperatures peak at 25°C (78°F), offering plenty of warmth without the intense heat of the summer months. As the first hints of spring emerge, the temperatures in September signify a gradual climb towards the livelier weather of October, making this month a perfect blend of pleasant conditions and fewer crowds, ideal for exploring the breathtaking landscapes and vibrant culture of Mauritius.
In September, Saint Aubin experiences a notable decline in precipitation, with only 33 mm (1.3 in) of rainfall recorded over 12 days. This reduction marks one of the driest months of the year, following a series of wetter months earlier in the season. The trend of decreasing rainfall continues from the heavier downpours of January to August, where the average monthly totals exceed 60 mm, peaking at 176 mm (6.9 in) in both February and March. As the region transitions into spring, the lighter showers of September signal a shift towards a more stable climate, setting the stage for the slightly wetter months of October and November. This gentle decline hints at the onset of the dry season, offering a reprieve from the frequent storms characterizing the preceding months.
In September, Saint Aubin, Mauritius experiences a slight dip in humidity, settling at 78%. This marks a transition from the more humid months, where values hover around the mid-80s, such as February's peak of 86%. As the year progresses, humidity generally reflects a downward trend from the summer months, peaking in early autumn before gradually stabilizing. With September’s levels being lower than the earlier months but still relatively high compared to the dryer winter, Saint Aubin remains in a humid subtropical climate, ensuring warmth and a distinctive tropical feel that lingers throughout the year.
In September, the UV Index in Saint Aubin, Mauritius stands at 11, classified as extreme with a quick burn time of just 10 minutes. This slight increase from August's UV Index of 10 reflects a trend of intensifying sun exposure as the Southern Hemisphere transitions into spring. Notably, the UV Index remains consistently high throughout the year, with peak values reaching 16 in the first few months. As autumn approaches, though there’s a marginal dip in intensity, the need for sun protection remains critical. For a comprehensive look at the UV Index patterns month by month, visit Saint Aubin UV Index.
UV Risk Categories
As September graces Saint Aubin, Mauritius with its warm embrace, the island experiences a delightful 330 hours of sunshine. This marks a continuation of the sunny trend established in the preceding months, particularly following the vibrant days of August, which also boasted 325 hours of sun. The gradual increase from the cooler winter months shows a strong return of sunshine as Mauritius transitions into the lush spring season. With October promising an even brighter 364 hours, it’s clear that Saint Aubin is set to bask in an abundance of sunlight, making it an ideal time for outdoor exploration and relaxation on the stunning beaches. The upward trajectory of sunlight hours not only enhances the vibrant landscapes but also invites visitors to immerse themselves in the breathtaking beauty of this tropical paradise.
September in Saint Aubin, Mauritius, offers a favorable 58% chance of sunny weather, aligning it closely with the sunnier months of January and May. This percentage is indicative of a remarkable trend in early spring, where the island transitions from the cooler winter months, maintaining a consistent likelihood of sunshine. Compared to April's stark drop to 27%, September signals a welcome return to brighter days as the island prepares for the approaching summer. Notably, the sunniest period is expected in November, but September marks a key turning point, ensuring plenty of opportunities for outdoor activities amidst a backdrop of beautiful Mauritian scenery.
As September graces Saint Aubin, Mauritius, the island enjoys approximately 11 hours of daylight, maintaining a pattern seen through the winter months. Following the bright stretches of January and February, which bask in 13 and 12 hours respectively, daylight gradually tapers off until it stabilizes at 11 hours from April through August. This consistency in September hints at a transition, as the days will soon begin to lengthen again towards the end of the year. With the return of longer daylight hours in October and November, Saint Aubin revels in the promise of sun-kissed days ahead, making this coastal paradise a year-round haven for sun seekers.
As September unfolds in Saint Aubin, Mauritius, the island experiences a delightful surge in average wind speeds, reaching 7.2 m/s (16 mph). This marks a notable increase compared to the slower breezes of the preceding months, creating an invigorating atmosphere that invites outdoor adventures. Following the peak in July at 8.0 m/s (18 mph), September strikes a balance, offering a refreshing wind that complements the warm temperatures. This seasonal shift not only enhances the region's natural beauty but also sets the stage for a vibrant blend of water sports and leisurely beach days, making it a perfect time for both thrill-seekers and relaxation enthusiasts alike. As the month progresses towards the calmer winds of October, September stands out as a time when the winds truly embrace the spirit of island life.
Weather in Saint Aubin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint Aubin, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present notable contrasts in weather conditions. September typically experiences milder temperatures, with a minimum of 18°C (65°F) and an average of 22°C (71°F), peaking at 25°C (78°F). In terms of precipitation, September receives about 33 mm (1.3 in) over approximately 12 days, along with a humidity level of 78%. In contrast, January is warmer, with temperatures ranging from a minimum of 22°C (71°F) to an average of 26°C (79°F) and a maximum of 30°C (86°F). It also sees significantly more rainfall, totaling 154 mm (6.0 in) across about 21 days, and slightly higher humidity at 82%. For more detailed weather insights, visit Saint Aubin weather in January.
In comparing the weather of September and February, it is evident that February is generally warmer and wetter. September experiences mild temperatures with a minimum of 18°C (65°F) and an average of 22°C (71°F), alongside relatively low precipitation of 33 mm (1.3 in) over about 12 days. In contrast, February sees higher temperatures with a minimum of 23°C (74°F) and an average of 26°C (79°F), but it comes with considerably more rainfall, totaling 176 mm (6.9 in) distributed across 24 days. Additionally, February exhibits higher humidity levels at 86%, compared to September’s 78%. For more detailed insights, you can visit Saint Aubin weather in February.
In comparing the weather of September and March, we can see some notable differences. 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), while March is significantly warmer, with averages between 22°C (73°F) and 30°C (86°F). Additionally, September experiences around 33 mm (1.3 in) of precipitation over 12 days, which is relatively low compared to March's 176 mm (6.9 in) over 25 days, indicating much more frequent rainfall during that month. Humidity levels are slightly higher in March at 82%, compared to September's 78%. For a detailed look at the conditions you can expect in March, visit Saint Aubin weather in March.
In comparing the weather of September and April, it's clear that April tends to be warmer and wetter. September features a milder temperature range with a minimum of 18°C (65°F) and a maximum of 25°C (78°F), accompanied by relatively low precipitation levels of 33 mm (1.3 in) over about 12 days. In contrast, April boasts a higher temperature range, beginning at a minimum of 22°C (71°F) and reaching up to 29°C (84°F), while experiencing significantly increased rainfall of 134 mm (5.3 in) spread across 24 days. Additionally, humidity levels are slightly higher in April at 83%, compared to 78% in September. For more details on April weather, you can visit Saint Aubin weather in April.
In comparing the weather between September and May, we see some notable differences. September tends to be slightly cooler, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 25°C (78°F), while May features warmer conditions, with temperatures that range from a minimum of 20°C (68°F) to a maximum of 28°C (82°F). Additionally, May experiences more precipitation, totaling 69 mm (2.7 in) over about 14 days, compared to September's 33 mm (1.3 in) over 12 days. Humidity levels are quite similar, hovering around 78% in September and slightly higher at 80% in May. For a closer look at the specific weather conditions during this month, you can visit Saint Aubin weather in May.
In comparing the weather of September and June, we observe that both months have a similar average temperature of around 22°C (72°F). However, June experiences slightly higher minimum and maximum temperatures, ranging from 19°C (67°F) to 26°C (79°F), compared to September's 18°C (65°F) to 25°C (78°F). Precipitation is notably higher in June, totaling 51 mm (2.0 in) over 15 days, versus September’s 33 mm (1.3 in) over 12 days, making June somewhat wetter. Additionally, September has a higher humidity level at 78%, while June is relatively more comfortable at 74%. For a more detailed overview, you can check Saint Aubin weather in June.
In comparing the weather between September and July, we find that both months share a similar temperature range, with minimums around 18°C (65°F) and maximums reaching 25°C (78°F). However, September has a slightly higher average temperature of 22°C (71°F) compared to July's 21°C (71°F). Precipitation is notably different; July experiences more rainfall overall, with 63 mm (2.5 in) over 16 days, whereas September sees less precipitation at 33 mm (1.3 in) over 12 days. The humidity levels are also comparable, with September at 78% and July at 75%. For a more detailed look at July's weather, visit Saint Aubin weather in July.
In comparing the weather between August and September, we see only slight variations. In September, the minimum temperature rises to 18°C (65°F) from 17°C (63°F) in August, while the average temperature remains the same at 22°C (71°F). Both months boast a maximum temperature of 25°C (78°F). However, September experiences slightly less precipitation at 33 mm (1.3 in) over 12 days compared to August's 43 mm (1.7 in) over 10 days. Furthermore, September's humidity is higher at 78%, compared to 74% in August. For more detailed insights, you can explore Saint Aubin weather in August.
September and October show a noticeable shift in weather patterns. In September, temperatures range from a low of 18°C (65°F) to a pleasant average of 22°C (71°F), peaking at 25°C (78°F). Precipitation during this month totals 33 mm (1.3 in) over 12 days, accompanied by a humidity level of 78%. In contrast, October offers slightly warmer conditions with a minimum temperature of 19°C (66°F) and an average of 23°C (73°F), reaching up to 27°C (82°F) at its peak. While precipitation increases to 42 mm (1.6 in) spread over 11 days, humidity remains relatively stable at 77%. For more details, check Saint Aubin weather in October.
In September, the weather generally has a mild feel, with minimum temperatures around 18°C (65°F) and average highs reaching 25°C (78°F), accompanied by 33mm of precipitation over approximately 12 days. Humidity hovers at a comfortable 78%. In contrast, November experiences slightly warmer conditions, with minimum temperatures of 19°C (66°F) and average highs peaking at 29°C (84°F). Precipitation increases to 62mm over 14 days while maintaining the same humidity level. The transition from September to November shows a notable rise in temperatures and precipitation, highlighting the shift towards the wetter season. For more detailed weather insights, visit Saint Aubin weather in November.
September typically sees milder temperatures ranging from a minimum of 18°C (65°F) to a maximum of 25°C (78°F), with an average of 22°C (71°F). It experiences around 33 mm (1.3 in) of precipitation over 12 days, contributing to humidity levels of 78%. In contrast, December brings warmer conditions, where temperatures range from 22°C (72°F) to 30°C (86°F), averaging 26°C (78°F). However, it also comes with increased rainfall, totaling 120 mm (4.7 in) over 22 days and slightly higher humidity at 81%. For more specific details on December weather in this region, you can visit Saint Aubin weather in December.
As September unfolds in Saint Aubin, it brings a delightful transition marked by mild temperatures and a noticeable drop in humidity compared to the peak months. With average highs around 22°C (71°F) and the pleasant warmth of 25°C (78°F), it offers a refreshing escape from the intense heat of summer, making outdoor activities particularly enjoyable. While the month sees some rainfall, totaling about 33 mm over approximately 12 days, it remains manageable, allowing the lush landscapes to thrive without overwhelming downpours. This invigorating climate sets September apart, making it an ideal time for travelers to explore the beauty of the region. For a deeper insight into what to expect year-round, check out the full details at Saint Aubin Climate.