Last updated: August 21, 2025
Experience the charming September weather of Ribeira Grande, Cabo Verde, where the pleasant warmth envelops the island. With maximum temperatures reaching 28°C (82°F) and an average of 26°C (79°F), the days are characterized by beautiful sunshine. Nights cool down to a comfortable 24°C (75°F), perfect for evening strolls. Expect a modest precipitation of 29 mm (1.1 in) over just 3 days, making it an ideal time to enjoy the vibrant landscape. The humidity level hovers around 84%, adding to the tropical ambiance. Embrace the allure of September in Ribeira Grande, where every day offers a blend of warmth and refreshing island breezes.
In September, Ribeira Grande, Cabo Verde, experiences a delightful warmth, marking the transition into the heart of autumn. With minimum temperatures rising to 24°C (75°F) and averages reaching 26°C (79°F), the weather is notably balmy, providing a perfect backdrop for outdoor adventures. The maximum daily temperatures climb to a pleasant 28°C (82°F), making it the ideal time for beachgoers to soak up the sun. Compared to earlier months, September shows a clear upward trend in warmth, continuing the trend established in August, thus promising a summer-like ambiance perfect for exploration and relaxation.
In September, Ribeira Grande experiences a significant uptick in precipitation, with an average of 29 mm (1.1 in) falling over three days. This marks a notable increase from the preceding months, where rainfall is sparse; for instance, July and August see only 7 mm and 15 mm, respectively. The rainfall in September signals the transition into the wetter season, contrasting sharply with the dry spells earlier in the year when precipitation is scarce, often amounting to just a few millimeters across multiple months. This rising trend highlights September as a pivotal month in the climate cycle of Cabo Verde, setting the stage for a shift towards more substantial rainfall in the latter part of the year.
In Ribeira Grande, Cabo Verde, September brings a humidity level of 84%, slightly lower than the peak of 85% observed in both July and August. This month marks the tail end of the humid summer season, which sees humidity generally trending upward from 77% in January to a high of 85% during the peak months. As the island transitions into autumn, humidity begins to slightly decline, leading into October's 83%. This gentle ebb reflects the overall seasonal pattern, with humidity gradually rising from the cooler months towards a subtropical peak in mid-summer before starting its descent again.
In September, Ribeira Grande experiences a consistently high UV Index of 13, placing it firmly in the extreme exposure category. This intensity, similar to the previous months of August and May, means that unprotected skin can burn in as little as 10 minutes. As part of a broader trend in this coastal paradise, the UV levels peak during these months, reflecting the region's tropical sun exposure. With such powerful rays, it’s essential for residents and visitors alike to take precautions and protect their skin when enjoying the outdoors. For more insights on UV levels throughout the year, check out the complete guide on the Ribeira Grande UV Index.
UV Risk Categories
September in Ribeira Grande, Cabo Verde, continues the trend of abundant sunshine that defines the summer months, offering 320 hours of sunlight. This figure reflects a slight dip from the peak of 349 hours in May, yet it remains consistent with the sun-drenched days of July and August. As the transition into autumn begins, the weather remains pleasantly warm, making September an ideal time for enjoying outdoor adventures. With daylight gradually decreasing but still substantial, visitors can revel in the lingering summer vibes while embracing the natural beauty and vibrant culture of this island paradise.
September in Ribeira Grande, Cabo Verde, offers a moderate chance of sunny weather, with about 52% likelihood of clear skies. This positions the month alongside May and August, showcasing a trend of relatively stable sunshine throughout late summer. As the year progresses, the sun's chances start to rise again in October, reaching 66%, but September's weather can still provide a pleasant mix of sun and clouds. This balance makes it a suitable time for visitors looking to experience the beauty of Cabo Verde without the peak season crowds. Overall, while September may not boast the highest sun probability, it certainly maintains a delightful warmth and brightness that reflects the island's charm.
In Ribeira Grande, Cabo Verde, the month of September enjoys a generous 12 hours of daylight, mirroring the pleasant conditions of the preceding summer months. As the year transitions from the long sunlit days of June and July, which boast up to 13 hours, daylight begins to gradually recede. After September, the sunlight diminishes to 11 hours in October and remains consistent through the winter months, highlighting a cyclical trend of extended daylight during the summer that gently tapers as the year draws to a close. This pattern not only enhances the region's vibrant outdoor lifestyle but also signifies a natural rhythm that residents and visitors alike can anticipate.
In Ribeira Grande, Cabo Verde, the month of September brings a gentle breeze, with an average wind speed of 6.2 m/s (14 mph). While this marks a slight increase from the calmer summer months of July and August, which both hover at 5.5 m/s (12 mph), it also continues the trend of wind speeds starting to pick up as the year progresses. This subtle shift indicates a seasonal transition, paving the way for the breezier autumn months ahead. By October, the wind is expected to strengthen further to 6.9 m/s (15 mph), showcasing how the cooling months can invigorate the landscape with refreshing gusts. Overall, September's winds serve as a precursor to the dynamic climate shifts that characterize the latter part of the year in this vibrant region.
Weather in Ribeira Grande varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ribeira Grande, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present quite different weather patterns. In September, temperatures are warmer, with a minimum of 24°C (75°F) and an average of 26°C (79°F), peaking at 28°C (82°F). The month sees some precipitation, totaling 29 mm (1.1 in) over three days, and humidity remains high at 84%. In contrast, January offers cooler temperatures, with a minimum of 18°C (65°F), an average of 21°C (71°F), and a maximum of 24°C (75°F). Additionally, January experiences significantly less rainfall, with only 1 mm (0.1 in) and no rainy days, alongside a slightly lower humidity level of 77%. For more details on January weather, check out Ribeira Grande weather in January.
In September, the weather tends to be warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), and an average humidity of 84%. This month sees approximately 29 mm (1.1 in) of precipitation spread over about three days. In contrast, February brings cooler conditions, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 24°C (75°F). The humidity is slightly lower at 79%, and the precipitation is significantly less, at just 5 mm (0.2 in) over one day. For more detailed insights on February's climate, you can check Ribeira Grande weather in February.
September and March present contrasting weather conditions. In September, the temperatures are noticeably warmer, with a minimum of 24°C (75°F) and an average of 26°C (79°F), reaching a maximum of 28°C (82°F). This month also experiences higher humidity at 84% and modest precipitation of 29 mm (1.1 in) over three days. In contrast, March offers cooler temperatures, with a minimum of 19°C (66°F) and an average of 20°C (69°F), peaking at only 22°C (72°F). Remarkably, March sees negligible precipitation of just 2 mm (0.1 in) and no rainy days, accompanied by slightly lower humidity at 82%. For more details on the weather conditions in March, you can visit Ribeira Grande weather in March.
In comparing the weather between September and April, September tends to be warmer with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), while April's temperatures are milder, with a minimum of 18°C (65°F) and a maximum of 23°C (74°F). Additionally, September sees more precipitation, totaling 29 mm (1.1 in) over three days, compared to April, which experiences negligible rainfall of just 2 mm (0.1 in) over the entire month. Interestingly, both months share the same humidity level of 84%, creating a consistently humid atmosphere year-round. For those specifically interested in April weather, further details can be found here: Ribeira Grande weather in April.
When comparing the weather in September and May, September tends to be warmer and more humid. September sees average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), while May has cooler averages, with temperatures ranging from 20°C (68°F) to 24°C (75°F). Additionally, September experiences more precipitation, with 29 mm (1.1 in) over three days, compared to May's minimal rainfall of just 1 mm (0.1 in) and no rainy days. Humidity levels are quite similar in both months, with September at 84% and May at 83%. For a closer look at May's weather specifics, visit Ribeira Grande weather in May.
In September, the weather tends to be warmer and slightly more humid than in June, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F). In contrast, June features cooler temperatures, peaking at 25°C (78°F), and lower precipitation levels, receiving only 3 mm (0.1 in) with no rainy days. Additionally, while September has a higher humidity level of 84%, June maintains a comparable 83%. For more details, you can check Ribeira Grande weather in June.
When comparing the weather in September and July, September generally experiences slightly warmer temperatures, with minimums of 24°C (75°F) and maximums reaching 28°C (82°F), while July has a lower range from 21°C (70°F) to a maximum of 26°C (79°F). Additionally, September sees more precipitation, averaging 29 mm (1.1 in) over three days, contrasting sharply with July’s dry conditions, which only record 7 mm (0.3 in) throughout the month with no rainfall days. Humidity remains high in both months, with September at 84% and July slightly higher at 85%. For more insights on July conditions, you can check the complete details here: Ribeira Grande weather in July.
In comparing the weather of September and August, September tends to be slightly warmer with average temperatures reaching 26°C (79°F) compared to August's average of 25°C (77°F). The minimum and maximum temperatures are also higher in September, with a minimum of 24°C (75°F) and a maximum of 28°C (82°F), while August experiences a minimum of 22°C (72°F) and a maximum of 27°C (81°F). Precipitation in September is greater, with 29 mm (1.1 in) falling over three days, compared to August's 15 mm (0.6 in) over two days. Humidity levels remain relatively consistent, with September at 84% and August at 85%. For a closer look at the specific conditions, you can explore Ribeira Grande weather in August.
In September, the weather remains warm with an average temperature of 26°C (79°F) and humidity levels around 84%. This month experiences some precipitation, totaling 29 mm (1.1 in) across three days. In contrast, October brings slightly cooler conditions with an average temperature of 25°C (78°F) and a noticeable decrease in rain, with only 4 mm (0.2 in) expected and no rainy days at all. Humidity remains low, at 83%, making October a drier and more comfortable month overall. For more specific details, you can check out the Ribeira Grande weather in October.
In September, the weather is generally warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F) and a total precipitation of 29 mm (1.1 in) over three days, resulting in a higher humidity level of 84%. In contrast, November brings slightly cooler temperatures, averaging between 22°C (71°F) and 27°C (80°F), with significantly less precipitation of just 4 mm (0.1 in) and no rainy days, leading to a lower humidity of 81%. For more detailed information on the weather, you can check Ribeira Grande weather in November.
In comparing the weather of September and December, September tends to be warmer and more humid. With average temperatures hovering around 26°C (79°F) and minimal rainfall of 29 mm over three days, this month feels vibrant and tropical, characterized by 84% humidity. In contrast, December experiences slightly cooler temperatures, averaging 22°C (73°F) with a maximum of 25°C (78°F) and a significant reduction in precipitation to just 4 mm over one day, resulting in 77% humidity. This shift marks December as a drier and more comfortable month. For more detailed insights, you can check out Ribeira Grande weather in December.
As September unfolds in Ribeira Grande, visitors can expect a delightful blend of warmth and moisture, setting it apart from other months. With temperatures comfortably residing in the mid-20s Celsius, this time of year evokes a sense of tropical ease, complemented by an average humidity of 84%. Rainfall is minimal, with only a few days witnessing a light drizzle, making outdoor activities a pleasure. In contrast to the peak summer months, where temperatures soar more significantly, September offers a more moderate climate, ideal for exploration and relaxation. For a deeper understanding of what to expect throughout the year, don’t forget to check out the comprehensive details at Ribeira Grande Climate.