Last updated: August 21, 2025
September in Porto Novo, Cabo Verde offers a delightful climate marked by mild temperatures and moderate humidity. With maximum daily highs around 26°C (80°F) and an average of 25°C (77°F), the weather remains pleasantly warm. Nights bring a slight chill, dipping to a minimum of 23°C (73°F). This month also sees a total precipitation of 37 mm (1.5 in) spread over 5 days, adding a refreshing touch to the environment. The humidity level, averaging 84%, enhances the tropical feel, making September a unique time to experience the natural beauty of this coastal haven.
September in Porto Novo, Cabo Verde welcomes warm and inviting temperatures as summer begins to wind down. With minimums reaching 23°C (73°F) and daily averages peaking at 25°C (77°F), the island radiates a comfortable heat, perfect for beach activities and exploration. The warmest days hit a pleasant 26°C (80°F), matching the peak temperatures of late summer. This gradual rise in warmth from the preceding months sets a cheerful tone for the start of autumn, allowing visitors to bask in the balmy coastal breeze while enjoying the beautiful landscapes of Cabo Verde. The transition into fall remains gentle, ensuring that September is a delightful time to experience the vibrant culture and stunning scenery of Porto Novo.
September marks a noticeable shift in precipitation patterns for Porto Novo, Cabo Verde, as it receives 37 mm (1.5 in) of rain over five days—the highest monthly total of the year. This surge follows a summer of gradually increasing rainfall, with August also contributing significantly at 24 mm (1.0 in). The arrival of September's rains signals the onset of the wetter season, contrasting sharply with the dry early months, where only minimal precipitation was recorded from January to June. This pattern highlights the seasonal variability typical of the region, making September a crucial month for replenishing local water sources and fostering the vibrant ecosystems of Cabo Verde.
In September, Porto Novo, Cabo Verde experiences a humidity level of 84%, maintaining a high level characteristic of the summer months. This slight dip from the 85% humidity recorded in July and August suggests that while the peak of the humid season is passing, the climate remains comfortably warm and inviting. Throughout the year, humidity levels typically fluctuate between 77% and 85%, with notable peaks during the height of summer. As the year transitions into fall, we see a gradual decline that hints at a shift towards drier conditions in the upcoming months, yet September still offers the lush, tropical feel that defines this coastal paradise.
In September, Porto Novo, Cabo Verde, experiences an extremely high UV Index of 13, maintaining the trend of intense sun exposure seen throughout the late summer months. This marks a continuation of several consecutive months where the UV Index has hovered at exceptional levels, specifically 12 to 13, with a consistent burn time of just 10 minutes. As the rainy season approaches in October, the UV Index subtly drops to 11, still classified as extreme. Such a pattern underscores the importance of sun protection during this time, as locals and visitors alike should be vigilant against potential sunburn. For further insights and details, visit Porto Novo UV Index.
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September in Porto Novo, Cabo Verde, shines with an impressive 320 hours of sunshine, marking a slight decrease from the sun-drenched month of August but still maintaining a vibrant glow as summer transitions into fall. The sunshine trend for the year reveals a peak in May with 349 hours, followed closely by April and March, while the months of November and December see the least daylight. This pattern showcases a delightful balance between warmth and light throughout the year, with September holding its own as one of the sunniest moments, making it an alluring destination for those seeking to savor the lingering summer rays.
In Porto Novo, Cabo Verde, the odds of basking in the sun during September stand at 55%, marking a transition into a more favorable period after the summer months. This slight decline from August's 52% suggests that while there's still a solid chance for sunny days, the weather begins to shift as the year progresses. Notably, this aligns with the general trend of increasing sunshine from the earlier months leading up to summer, such as June at 70%, and a resurgence again in October with 71%. The overall pattern shows that while September is less sunny than the summer peak, it still maintains a respectable likelihood of pleasant weather, making it a promising time for outdoor activities.
In September, Porto Novo, Cabo Verde experiences a delightful 12 hours of daylight, maintaining the summer trend before it subtly shifts into autumn. This daylight duration mirrors that of May and August, reflecting a gradual transition from the peak sunshine of June and July, which bask in a generous 13 hours. As the year progresses towards October, the days begin to shorten, hinting at the cyclical rhythm of seasonal changes. Overall, the pattern of daylight in Porto Novo demonstrates a harmonious balance of light and darkness, providing ample opportunities for both adventure and relaxation throughout the year.
As September unfolds in Porto Novo, Cabo Verde, the average wind speed gently picks up to 6.8 m/s (15 mph), offering a refreshing contrast to the summer months. Following a gradual decline during July and August, when the winds slowed to about 6.2 m/s (14 mph), September marks a subtle resurgence in breeziness. This trend indicates a shift as the region transitions toward the more invigorating winds of autumn, which typically see speeds of 7.7 m/s (17 mph) in October. The overall pattern through the year reveals a dynamic ebb and flow; winter months such as January and February start strong with winds around 8.5 m/s (19 mph), suggesting that while September may usher in milder winds, it also paves the way for the brisker gusts that lie ahead.
Weather in Porto Novo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Porto Novo, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is warmer and more humid, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), coupled with considerable humidity at 84%. This month also sees some precipitation, averaging 37 mm (1.5 in) over about 5 days, making it a wetter period.
In contrast, January is cooler and drier, featuring average temperatures that range from a minimum of 18°C (64°F) to a maximum of 23°C (74°F). It experiences minimal rainfall, with just 1 mm (0.1 in) and no rainy days, and the humidity is slightly lower at 77%. For more details, you can check Porto Novo weather in January.
When comparing the weather in September and February, September tends to be warmer and more humid. September showcases a temperature range with a minimum of 23°C (73°F) and an average of 25°C (77°F), reaching a maximum of 26°C (80°F). This month also experiences greater precipitation, with about 37 mm (1.5 in) falling over approximately 5 days and a higher humidity level of 84%. In contrast, February features milder temperatures, with a minimum of 17°C (64°F), an average of 20°C (68°F), and a maximum of 23°C (74°F). It sees significantly less rainfall, only 7 mm (0.3 in) over just 1 day, and has slightly lower humidity at 79%. For more detailed information about February weather, you can visit Porto Novo weather in February.
In September, the weather in Porto Novo is characterized by warmer temperatures, with an average of 25°C (77°F) and maximum highs reaching 26°C (80°F). This month experiences more rainfall, totaling 37 mm (1.5 in) over about five days, accompanied by relatively high humidity at 84%. In contrast, March presents a cooler climate with average temperatures of 19°C (67°F) and maximums of 22°C (71°F). The month is notably dry, receiving only 3 mm (0.1 in) of precipitation with no rainy days, and slightly lower humidity at 82%. For more detailed insights, you can check Porto Novo weather in March.
In comparing the weather between September and April, September tends to be noticeably warmer with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 26°C (80°F). In contrast, April's temperatures are milder, with a range from 17°C (64°F) to a maximum of 22°C (72°F). Furthermore, September experiences about 37 mm (1.5 in) of rainfall over approximately five days, while April is quite dry with only 1 mm (0.1 in) of precipitation over no rainy days. Both months share the same humidity level of 84%. For more details on April weather, you can check Porto Novo weather in April.
In comparing the weather patterns of September and May, September tends to be warmer, with average temperatures hovering around 25°C (77°F) compared to May's average of 21°C (70°F). While September experiences some rainfall, accumulating about 37 mm over five days, May remains largely dry with virtually no precipitation recorded. Additionally, both months exhibit high humidity levels, with September at 84% and May slightly lower at 83%. For a detailed look at May weather, you can check Porto Novo weather in May.
In comparing the weather between September and June, September tends to be warmer, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 26°C (80°F) and an average of 25°C (77°F). In contrast, June features slightly cooler temperatures, with a minimum of 19°C (67°F), an average of 22°C (71°F), and a maximum of 24°C (76°F). Additionally, September experiences more precipitation, recording 37 mm (1.5 in) over five days, while June enjoys dry conditions with only 2 mm (0.1 in) and no rainy days. The humidity levels are similar, with September at 84% and June at 83%. For a closer look at the climate details, you can check out Porto Novo weather in June.
In comparison to July, September experiences slightly warmer temperatures, with minimums averaging 23°C (73°F) and maximums reaching 26°C (80°F), whereas July's temperatures range from a minimum of 20°C (68°F) to a maximum of 25°C (77°F). September also sees more significant precipitation, totaling 37 mm (1.5 in) over about 5 days, compared to July's minimal 8 mm (0.3 in) across just 1 day. Despite the marginal difference in humidity levels, with September at 84% and July at 85%, the overall weather in September tends to be warmer and wetter than in July. For a more detailed look at July weather, visit Porto Novo weather in July.
In comparing the weather between September and August, September tends to be slightly warmer, with an average temperature of 25°C (77°F) compared to August's 24°C (75°F). Both months share a maximum temperature of 26°C (80°F), but September has a higher minimum temperature, at 23°C (73°F), while August has a minimum of 21°C (71°F). Additionally, September experiences more precipitation, with 37 mm (1.5 in) over 5 days, compared to August's 24 mm (1.0 in) over the same number of days. Humidity remains relatively consistent in both months, with September at 84% and August at 85%. For more detailed weather conditions, you can refer to Porto Novo weather in August.
In comparing the weather between September and October, both months experience similar temperature ranges, with September showcasing a slightly higher average temperature of 25°C (77°F) compared to October's 24°C (76°F). The maximum temperatures remain consistent, hovering around 27°C (80°F) in October, while the minimum temperature remains steady at 23°C (73°F) for both months. However, October benefits from significantly reduced precipitation, with only 6 mm (0.2 in) over 0 days, contrasting sharply with September's 37 mm (1.5 in) over 5 days. Humidity levels are also quite similar, with September at 84% and October slightly lower at 83%. For more details, you can check out Porto Novo weather in October.
September and November showcase distinct weather patterns in Porto Novo. In September, temperatures range from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), with an average of 25°C (77°F). The month experiences a notable amount of rainfall, with about 37 mm (1.5 in) spread over 5 days, contributing to a relatively high humidity level of 84%.
In contrast, November brings slightly cooler temperatures, with lows of 21°C (70°F) and highs reaching 25°C (78°F), resulting in an average temperature of 23°C (74°F). Precipitation is minimal at just 4 mm (0.2 in) and is absent for the entire month, creating a drier atmosphere with a slightly lower humidity of 81%. For more details on the weather in November, you can check Porto Novo weather in November.
In September, the weather tends to be warmer, with average temperatures reaching around 25°C (77°F) and a maximum of 26°C (80°F). The month also experiences higher humidity at 84% and a moderate level of precipitation totaling 37 mm (1.5 in) over about 5 days. In contrast, December sees cooler temperatures, with averages dropping to 21°C (71°F) and maximums of 24°C (76°F). This month is notably drier, with only 5 mm (0.2 in) of rainfall occurring on just 1 day and lower humidity at 77%. For more detailed information, you can visit Porto Novo weather in December.
September in Porto Novo ushers in a shift towards milder temperatures, presenting an average warmth that hovers comfortably around 25°C (77°F), making it a favorable month for outdoor activities. Unlike the sweltering heights of summer, the evenings provide a cooler refuge as the minimum temperatures dip to around 23°C (73°F). While the humidity remains high at 84%, occasional rainfall, totaling about 37 mm over five days, helps to refresh the landscape and maintain the lush surroundings. This month stands out as a transitional period, blending the dry heat of summer with cooler, rainier spells typical of the approaching season. For more insights on the climate nuances of this charming destination, visit Porto Novo Climate.