September Weather in Beau Vallon, Seychelles

Last updated: August 31, 2025

September in Beau Vallon, Seychelles offers a delightful tropical experience, with maximum temperatures reaching around 27°C (82°F) and an average of 26°C (79°F). The weather remains pleasantly warm, though evenings can cool down to a minimum of 24°C (76°F). Visitors should prepare for an average of 17 days of rain, accumulating about 120 mm (4.7 in), as the humidity hovers around 82%, contributing to the lush landscapes and vibrant flora. Despite the precipitation, this month still provides a fantastic opportunity to enjoy the island's natural beauty and tranquil beaches.

September Temperature in Beau Vallon

As September arrives in Beau Vallon, Seychelles, the tropical climate remains invitingly warm. With minimum temperatures hovering around 24°C (76°F) and average highs reaching 27°C (82°F), this month signals a gentle transition into the tail end of winter. This slight dip in temperature, compared to the warmer summer months, reflects a trend towards cooler weather, as the island enjoys a more comfortable atmosphere. Travelers can expect pleasant days where the average temperature settles at 26°C (79°F), perfect for beach lounging and exploring the breathtaking surroundings. With these delightful conditions, September serves as an ideal time to visit this idyllic destination.

September Weather in Beau Vallon: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Beau Vallon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Beau Vallon, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808182828180787879808080
Data source: Temperature data for Beau Vallon generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Beau Vallon

In September, Beau Vallon experiences a notable shift in rainfall, with a precipitation total of 120 mm (4.7 in) spread over 17 days. This marks an increase from the relatively dry conditions of August, where only 69 mm (2.7 in) fell. The month acts as a transitional period, bridging the lighter rains of late winter with the more significant downpours typical of the upcoming months. As the wet season approaches, September sets the stage for October’s expected uptick in rainfall, which averages 139 mm (5.5 in). Overall, while September's rainfall is moderate, it signals a return to the lush, vibrant landscapes that characterize Seychelles during the wetter months ahead.

September Precipitation Trends in Beau Vallon

The chart displays monthly precipitation patterns in Beau Vallon, 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 Beau Vallon, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2401627114028910611969120139232274
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Beau Vallon

In September, Beau Vallon enjoys relatively high humidity levels, sitting at 82%, consistent with the preceding months of July and August, both of which also recorded 83%. As summer transitions into autumn, the humidity remains comparatively stable, only slightly dipping from the peak experienced earlier in the year. This trend of elevated humidity persists into October and November, demonstrating that while the air may feel thick, the beautiful coastal vistas and tropical warmth of Seychelles are undeniably inviting. Overall, September's humidity reflects the lush, tropical environment that defines this picturesque destination, making it a captivating choice for travelers seeking both relaxation and adventure.

September Average Humidity in Beau Vallon

This chart illustrates the average monthly humidity levels in Beau Vallon, 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 Beau Vallon is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%79%77%76%81%82%83%82%82%81%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Beau Vallon

In September, Beau Vallon experiences a UV Index of 14, placing it firmly within the extreme exposure category. This indicates that even a mere 10 minutes of unprotected sun exposure could lead to sunburn, underscoring the importance of sun safety during this time. As we move through the months, there’s a notable consistency in the UV Index; it remains high, fluctuating between 13 and 16 throughout the year. This trend suggests that visitors should always be prepared with appropriate sun protection gear. For more detailed insights into the UV Index in Beau Vallon, be sure to check out Beau Vallon UV Index.

Maximum UV Index Levels in Beau Vallon for September

The chart shows the monthly maximum UV Index (UVI) for Beau Vallon 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 Beau Vallon typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516151311121314141314
Data source: Beau Vallon 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 Beau Vallon

September in Beau Vallon, Seychelles, shines with 334 hours of golden sunlight, making it a delightful month for sun-seekers. Following a vibrant August, which saw 343 hours of radiant days, September maintains a similar brightness, ensuring plenty of opportunities for beach outings and tropical adventures. As the year transitions into its latter months, the hours of sunshine steadily fluctuate but often remain robust, with October promising 350 hours of sunshine, setting the tone for a luminous close to the year. This consistent illumination throughout September not only enhances the local charm but also invites visitors to revel in the unspoiled beauty of the Seychelles.

Monthly Sunshine Duration in Beau Vallon: September Highlighted

The September sunshine duration represents the total number of hours Beau Vallon 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.
JanFebMarAprMayJunJulAugSepOctNovDec282h312h351h337h331h325h330h343h334h350h338h350h
Data source: Beau Vallon September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Beau Vallon During September

In September, Beau Vallon, Seychelles experiences a 30% chance of sunny weather, marking a modest increase from the 21% seen in the preceding months of July and August. While this percentage suggests a fair likelihood of basking in the sun, it is still below the peak months of April and November, where chances soar to 56% and 60%, respectively. This gradual uptick hints at the transition toward a more favorable climate as the year progresses, subtly inviting visitors to embrace the beauty of Seychelles during this enchanting time of year. Whether you’re soaking up the sun or enjoying the lush landscapes, September's weather offers a taste of what’s to come in the spirited months ahead.

Percentage of Sunny Days in September in Beau Vallon

The chart illustrates the percentage of sunny days in Beau Vallon 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 Beau Vallon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%27%52%56%29%47%21%22%30%53%60%47%
Data source: Beau Vallon September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Beau Vallon in September

In Beau Vallon, Seychelles, the rhythm of sunlight showcases a captivating trend as the year unfolds. The months of January through March bask in a consistent 12 hours of daylight, setting a bright tone for the year. However, as the calendar turns to April and the following months, daylight gently wanes to 11 hours, creating a cozy, inviting atmosphere ideal for relaxation. This duration remains steady through the heart of winter, from June to August, before springing back to a rejuvenating 12 hours in September. Following this brief dip, daylight once again stabilizes at 12 hours from October to December, ensuring that the island remains a sun-kissed paradise, perfect for enjoying its stunning beaches and vibrant culture year-round.

Average Daylight Hours in Beau Vallon for September

The chart illustrates the variation in daylight duration in Beau Vallon throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 20m12h 14m12h 6m11h 59m11h 53m11h 50m11h 52m11h 57m12h 4m12h 11m12h 18m12h 22m
Data source: Beau Vallon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Beau Vallon

As September rolls into Beau Vallon, Seychelles, the winds pick up slightly, with an average speed of 7.4 m/s (17 mph). This month marks a notable shift as the breeze remains relatively strong, mirroring the gusts experienced in June and July. Following the gentle lulls of April and May, September's winds invigorate the coastal landscape, creating perfect conditions for water sports and leisurely beach outings. Historically, September ties with June in wind intensity, offering a vibrant atmosphere that enjoys the balance of warm temperatures and refreshing breezes. As the year transitions, the wind gradually begins to taper off in October, but for now, September proudly showcases the invigorating breath of ocean air that characterizes Beau Vallon’s charm.

Average September Wind Speed in Beau Vallon

The chart displays monthly wind speed patterns in Beau Vallon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.45.23.62.35.07.48.27.07.4 m/s5.03.03.1
Data source: Beau Vallon September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Beau Vallon Compares to Other Months

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

In September, the weather is typically warm with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 27°C (82°F) and an average of 26°C (79°F). This month experiences considerable precipitation, with around 120 mm (4.7 in) over 17 days, and the humidity sits at a comfortable 82%. In contrast, January tends to be slightly warmer, with temperatures averaging 27°C (80°F) and peaking at 29°C (85°F). However, it also sees increased rainfall, accumulating 240 mm (9.4 in) over 19 days, while humidity remains high at 83%. For a more detailed overview, you can check out the Beau Vallon weather in January.

September and February present similar but distinct weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 27°C (82°F), with an average temperature of 26°C (79°F). The month sees a relatively high humidity level of 82% and experiences around 120 mm (4.7 in) of precipitation over 17 days. In contrast, February offers slightly warmer conditions, with temperatures varying from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), averaging 27°C (81°F). The humidity remains comparable at 81%, but precipitation increases to 162 mm (6.4 in) over the same number of rain days. For more detailed information, check out Beau Vallon weather in February.

When comparing the weather in September and March, September tends to be slightly cooler with average temperatures around 26°C (79°F) and a maximum of 27°C (82°F). In contrast, March offers warmer temperatures, with averages reaching 28°C (82°F) and maximums hitting 30°C (85°F). Precipitation is also more prominent in September, with 120 mm (4.7 in) over 17 days compared to March's 71 mm (2.8 in) across 11 days. Additionally, humidity levels are slightly higher in September at 82%, while March sees a slightly lower humidity of 79%. For more detailed weather information, you can check Beau Vallon weather in March.

When comparing the weather in September and April, both months showcase warm temperatures, but April tends to be slightly hotter on average. In April, the minimum temperature starts at 25°C (78°F) and can reach a high of 30°C (86°F), while September's temperatures range from a minimum of 24°C (76°F) to a maximum of 27°C (82°F). Additionally, April sees more precipitation at 140 mm (5.5 in) over 22 days, compared to September’s 120 mm (4.7 in) spread over 17 days. The humidity also differs slightly; September is more humid at 82%, whereas April has a lower humidity level of 77%. For a closer look at April's weather specifics, check Beau Vallon weather in April.

In comparing the weather between September and May, we can observe some distinct differences. September boasts slightly lower temperatures, with averages around 26°C (79°F), and more moderate ranges from 24°C (76°F) to 27°C (82°F). However, it also experiences frequent rainfall, accumulating to 120 mm (4.7 in) over 17 days and a high humidity of 82%.

In contrast, May features higher temperatures, with averages of 27°C (82°F) and maximums reaching up to 30°C (86°F). While it is typically warmer, it also sees significantly more precipitation, totaling 289 mm (11.4 in) over 23 days, though the humidity is slightly lower at 75%. For a more detailed examination of May's conditions, you can refer to Beau Vallon weather in May.

In comparing the weather conditions of September and June, both months exhibit similar temperature ranges, with September featuring minimums of 24°C (76°F) and averages of 26°C (79°F), while June has the same minimum but a slightly higher average of 26°C (80°F) and a maximum of 29°C (84°F). Precipitation is more frequent in September, with 120 mm (4.7 in) over 17 days compared to June's 106 mm (4.2 in) across 21 days. Humidity levels are comparable, with September slightly higher at 82% and June at 81%. For detailed insights into June weather, you can visit Beau Vallon weather in June.

In comparing the weather of September and July, we find that both months share similar temperature ranges, with both featuring a minimum temperature of about 24°C (75°F), an average of around 26°C (79°F) in September and 25°C (78°F) in July, and a maximum temperature of 27°C (82°F). However, September experiences slightly more rainfall, totaling 120 mm (4.7 inches) over 17 days, compared to July's 119 mm (4.7 inches) over 20 days. Despite the similar humidity levels of 82% throughout both months, the increase in rainy days in July suggests a slightly wetter experience for outdoor activities. For more detailed insights, you can check Beau Vallon weather in July.

In comparing the weather between August and September, we see that both months share similar minimum temperatures, with September slightly warmer on average. September records a minimum temperature of 24°C (76°F) and an average of 26°C (79°F), while August features a minimum temperature of 24°C (75°F) and an average of 25°C (78°F). Rainfall in September, however, is significantly higher, with 120 mm (4.7 in) over 17 days, compared to August's 69 mm (2.7 in) across 16 days. Humidity levels remain quite comparable, with September at 82% and August at 83%. For further details on August conditions, you can refer to Beau Vallon weather in August.

In September, temperatures ranged from a minimum of 24°C (76°F) to a maximum of 27°C (82°F), with an average of 26°C (79°F). The month also saw significant rainfall, with 120 mm (4.7 in) of precipitation over 17 days, and humidity remained high at 82%. In contrast, October experiences slightly warmer conditions, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 28°C (83°F), averaging 27°C (80°F). However, October also brings increased precipitation, totaling 139 mm (5.5 in) over 20 days, while humidity levels remain consistent at 82%. For a more detailed look at October weather, check out Beau Vallon weather in October.

In comparing the weather of September and November, we see a slight increase in temperature and precipitation. September typically experiences minimum temperatures around 24°C (76°F) with an average of 26°C (79°F) and maximums reaching up to 27°C (82°F). It has about 120 mm (4.7 in) of rainfall spread over 17 days, with a humidity level of 82%. In contrast, November showcases slightly warmer temperatures, with minimums at 25°C (77°F), an average of 27°C (80°F), and maximum temperatures climbing to 29°C (84°F). However, this month sees an increase in precipitation to 232 mm (9.2 in), occurring over 19 days, while humidity remains relatively stable at 81%. For more detailed insights on November's weather, you can check Beau Vallon weather in November.

In September, the weather tends to be warm with minimum temperatures around 24°C (76°F) and an average of 26°C (79°F), peaking at a maximum of 27°C (82°F). The month experiences moderate precipitation, with about 120 mm (4.7 in) spread over 17 days, while humidity remains fairly high at 82%.

In contrast, December sees slightly warmer temperatures, with a minimum of 25°C (77°F), an average of 27°C (80°F), and a maximum of 29°C (84°F). However, the precipitation increases significantly to 274 mm (10.8 in), occurring over 25 days, maintaining the humidity level at 82%. For a more detailed look at weather conditions during this month, check out Beau Vallon weather in December.

Compare Beau Vallon's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Beau Vallon

As September rolls into Beau Vallon, the weather showcases a delightful blend of warmth and moisture that sets it apart from other months. With temperatures hovering comfortably around 26°C (79°F), visitors can expect pleasant afternoons, while the humidity levels at 82% add a tropical touch to the atmosphere. However, this month tends to be a bit wetter, with approximately 17 days of rainfall, contributing to a total precipitation of 120 mm (4.7 in). This mix of warmth and humidity makes September a unique time to experience the vibrant landscapes and lush flora of Beau Vallon. For more insights into weather trends, check out the comprehensive details on Beau Vallon Climate.