September Weather in Sao Filipe, Cabo Verde

Last updated: August 21, 2025

September in Sao Filipe, Cabo Verde offers a delightful tropical climate characterized by mild temperatures and a touch of humidity. With a maximum of 27°C (82°F) and an average of 26°C (78°F), the weather remains pleasantly warm, while nighttime temperatures dip to a minimum of 23°C (74°F). This month also sees 91 mm (3.6 in) of precipitation spread over 9 days, adding a refreshing element to the air. Despite the rainfall, the humidity lingers at 82%, contributing to the lush landscapes and vibrant atmosphere that define this charming island destination.

September Temperature in Sao Filipe

As September rolls around in Sao Filipe, Cabo Verde, the temperatures shift into a delightful warmth, reflecting the transition into autumn. With minimums averaging 23°C (74°F) and maximums reaching 27°C (82°F), the month showcases a peak in comfort as residents and visitors enjoy average daily highs of 26°C (78°F). This is a noticeable rise from the preceding months, particularly after the cooler summer days, setting a backdrop for vibrant outdoor activities. The consistent warm temperatures make September an ideal time for exploring the island's stunning landscapes, beautiful beaches, and rich local culture, allowing everyone to bask in the serene tropical environment.

September Weather in Sao Filipe: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sao Filipe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Filipe, 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).
JanFebMarAprMayJunJulAugSepOctNovDec716969707072747678777573
Data source: Temperature data for Sao Filipe generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sao Filipe

In September, Sao Filipe experiences a remarkable shift in weather, marking it as the wettest month of the year. With an impressive 91 mm (3.6 in) of precipitation, this month stands in stark contrast to the arid conditions earlier in the year, where rainfall was nearly nonexistent from January to May. The increase is not just in volume but also in the number of rainy days, with precipitation occurring on 9 days. This surge in rainfall typically heralds the end of the dry season and is crucial for replenishing the local ecosystems, making it a vital time for agriculture. The trend of increasing precipitation from August to September highlights the region's transition to a more humid climate, setting the stage for a lush October with residual rains.

September Precipitation Trends in Sao Filipe

The chart displays monthly precipitation patterns in Sao Filipe, 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 Sao Filipe, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec132001738911044
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sao Filipe

As summer fades into autumn, the humidity in Sao Filipe, Cabo Verde, remains a noteworthy aspect of the climate. In September, the humidity levels drop slightly to 82%, following a peak of 85% in both April and May. This gentle decline reflects a broader trend of decreasing humidity as the year progresses, where the island experiences its highest moisture content during the spring months, gradually tapering off towards the cooler winter season. Despite this dip, September's humidity still contributes to the lush landscapes characteristic of Cabo Verde, ensuring that the island retains its vibrant allure even as it transitions into fall.

September Average Humidity in Sao Filipe

This chart illustrates the average monthly humidity levels in Sao Filipe, 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 Sao Filipe is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%83%85%85%83%84%84%82%81%79%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sao Filipe

As September arrives in Sao Filipe, Cabo Verde, the UV Index escalates to an impressive 14, marking it as one of the most intense months for sun exposure. This month continues a trend of extreme UV levels that began in February and has persisted through to August, where values reached up to 13. With a burn time of only 10 minutes, the need for protection is paramount, as outdoor enthusiasts should remain vigilant against the sun's harmful rays. As the year transitions into October, the UV Index slightly decreases to 12, yet it remains critical to maintain sun safety throughout the changing seasons. For more detailed information, check out Sao Filipe UV Index.

Maximum UV Index Levels in Sao Filipe for September

The chart shows the monthly maximum UV Index (UVI) for Sao Filipe 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 Sao Filipe typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111313121212131412109
Data source: Sao Filipe 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 Sao Filipe

September in Sao Filipe, Cabo Verde still basks in a generous 314 hours of sunshine, providing a warm embrace as summer transitions to autumn. Although this marks a slight dip from the sunlit peak of May, which boasts the highest sunshine hours at 357, it continues the trend of abundant daylight that characterizes the region. As the year progresses, the hours gradually decline from the summer highs, but even in September, sunlight remains plentiful compared to the cooler months ahead, ensuring that the vibrant landscapes and coastal beauty can still be enjoyed under the golden glow. Thus, September stands as a delightful balance between the lingering warmth of summer and the upcoming seasonal shifts, inviting travelers to soak up those rays a little longer.

Monthly Sunshine Duration in Sao Filipe: September Highlighted

The September sunshine duration represents the total number of hours Sao Filipe 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.
JanFebMarAprMayJunJulAugSepOctNovDec244h287h334h339h357h335h332h336h314h322h292h288h
Data source: Sao Filipe September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sao Filipe During September

In September, the likelihood of sunny weather in Sao Filipe, Cabo Verde stands at a moderate 53%, marking a slight dip from the summer months. This transition into autumn showcases the region’s changing climate, as the chances of sunshine fall after the peak summer warmth, where July and August boast higher probabilities of sun at 63% and 45%, respectively. As the year progresses, the likelihood fluctuates, with April leading the pack at 70%. Despite the decrease in sunny moments as the year winds down, September still offers a decent chance for those seeking to bask in Cabo Verde's warm embrace before the clouds set in more prominently in October and November, which reveal a drop to 61% and 30%.

Percentage of Sunny Days in September in Sao Filipe

The chart illustrates the percentage of sunny days in Sao Filipe 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 Sao Filipe experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%60%66%70%67%67%63%45%53%62%30%39%
Data source: Sao Filipe September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sao Filipe in September

In September, Sao Filipe, Cabo Verde enjoys a delightful 12 hours of daylight, continuing the trend established over the late spring and summer months. This consistent duration underscores the region's equatorial location, where daylight hours remain relatively stable year-round. Following the sunlit months of June, July, and August, September maintains this generous illumination, providing ample opportunity for both exploration and relaxation. As the year progresses into October, daylight begins to wane slightly, dropping to 11 hours, a gentle reminder of the shifting seasons ahead. This rhythmic pattern of light sets a captivating backdrop for life in Sao Filipe, balancing vibrant days with the tranquil evenings that follow.

Average Daylight Hours in Sao Filipe for September

The chart illustrates the variation in daylight duration in Sao Filipe throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 20m11h 38m12h 2m12h 27m12h 48m12h 58m12h 53m12h 35m12h 11m11h 46m11h 25m11h 14m
Data source: Sao Filipe daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sao Filipe

As summer gives way to fall, September in São Filipe, Cabo Verde experiences a gentle shift in its winds. With an average wind speed of 5.9 m/s (13 mph), the breezes begin to pick up slightly after a notably calmer August. This slight increase indicates a gradual transition, setting the stage for the more robust winds of October. Observing the trend through the months, it's clear that the wind speeds typically decline during the peak of summer, reaching their lowest in July and August before beginning to rise again in early autumn. By September, the air carries a refreshing quality, inviting both locals and visitors to enjoy the island's beauty amidst the soothing whispers of the wind.

Average September Wind Speed in Sao Filipe

The chart displays monthly wind speed patterns in Sao Filipe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9.19.79.29.08.27.55.34.75.9 m/s7.36.98.3
Data source: Sao Filipe September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sao Filipe Compares to Other Months

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

September and January offer contrasting weather experiences. In September, temperatures are warmer, with an average of 26°C (78°F), peaking at 27°C (82°F), accompanied by significant precipitation of 91 mm (3.6 in) over about 9 days. The humidity is notably high at 82%, creating a humid atmosphere. In contrast, January features cooler temperatures with an average of 22°C (71°F), reaching a maximum of 25°C (77°F). Notably, this month experiences very little rain, with only 1 mm (0.0 in) of precipitation, and it has a lower humidity level of 76%. For more detailed weather information, check out Sao Filipe weather in January.

When comparing the weather in September and February, September is notably warmer, with average temperatures reaching 26°C (78°F) and a maximum of 27°C (82°F). In contrast, February experiences cooler temperatures, with an average of 21°C (70°F) and a maximum of 25°C (77°F). Additionally, September is much wetter, with 91 mm (3.6 in) of precipitation over 9 days, whereas February sees only 3 mm (0.1 in) of rainfall spread across just 1 day. The humidity levels are fairly similar in both months, sitting at around 82% in September and 80% in February. For those interested in more specific weather details for February, you can refer to Sao Filipe weather in February.

September and March present distinct weather patterns. September boasts warmer temperatures, with an average of 26°C (78°F) and highs reaching up to 27°C (82°F). The month also experiences significant rainfall, averaging 91 mm (3.6 in) over 9 days, leading to high humidity levels at 82%. In contrast, March is cooler, with an average temperature of 20°C (69°F) and maximums only reaching 23°C (74°F). Remarkably, it experiences minimal rainfall, with only 2 mm (0.1 in) and no rainy days, while maintaining a slightly higher humidity of 83%. For more detailed information, you can check Sao Filipe weather in March.

When comparing the weather in September and April, September proves to be warmer, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (82°F). In contrast, April's temperatures are milder, with a minimum of 18°C (65°F) and a maximum of 24°C (75°F). Additionally, September experiences more precipitation, with 91 mm (3.6 in) falling over 9 days, while April sees no rainfall whatsoever. Despite the slightly higher humidity levels in April at 85%, September's humidity stands closely at 82%. For more details on the weather in April, you can check Sao Filipe weather in April.

In comparing the weather of September and May, September tends to be warmer with average temperatures reaching around 26°C (78°F), whereas May's average hovers at a cooler 21°C (71°F). Additionally, September experiences more precipitation, with 91 mm (3.6 inches) recorded over 9 days, in contrast to May, which enjoys a completely dry spell with no rainfall at all. Despite the slightly lower average temperature, May has a slightly higher humidity level at 85% compared to September's 82%. For more detailed information, you can check Sao Filipe weather in May.

When comparing the weather in September and June, it’s clear that September tends to be warmer and wetter. September has an average temperature of 26°C (78°F), with a maximum reaching 27°C (82°F), while June's temperatures are slightly cooler with an average of 22°C (72°F) and a maximum of 25°C (78°F). Additionally, September experiences significant rainfall, with 91 mm (3.6 in) over nine days, in contrast to June, which sees virtually no precipitation, recording only 1 mm (0.0 in) over zero rainy days. Humidity levels are quite similar, hovering around 82% in September and 83% in June. For more detailed information on June weather in this region, you can visit Sao Filipe weather in June.

In comparing the weather between July and September, September tends to be noticeably warmer and wetter. September boasts minimum temperatures of 23°C (74°F) and an average of 26°C (78°F), reaching a maximum of 27°C (82°F). In contrast, July's temperatures are slightly cooler, with a minimum of 21°C (69°F) and an average of 23°C (74°F), peaking at 26°C (79°F). Additionally, September experiences significantly higher precipitation, with 91 mm (3.6 in) over 9 days, while July has only 7 mm (0.3 in) in just 1 day. Both months have similar humidity levels, with September at 82% and July slightly higher at 84%. For more detailed information, you can check Sao Filipe weather in July.

In September, the weather shows a slight increase in temperature, with average highs reaching 27°C (82°F) compared to August's average of 25°C (77°F). While both months experience similar maximum temperatures, September is characterized by slightly higher humidity at 82% compared to 84% in August. Additionally, September sees a significant rise in precipitation, with 91 mm (3.6 in) of rain over 9 days, in contrast to August’s much drier 38 mm (1.5 in) over the same number of days. For more details on August weather, you can check this link: Sao Filipe weather in August.

September typically experiences slightly warmer temperatures, with average highs reaching up to 27°C (82°F) while maintaining a minimum of 23°C (74°F). In contrast, October has a slightly cooler average temperature of 25°C (78°F), although the high remains the same at 27°C (81°F). One of the most significant differences between the two months is the drastic reduction in rainfall; September averages 91 mm (3.6 in) over 9 days, whereas October sees only 10 mm (0.4 in) over just 2 days. Humidity levels are fairly comparable, hovering around 82% in September and 81% in October. For a more detailed look at October weather conditions, you can check Sao Filipe weather in October.

In comparing the weather between September and November, one can observe a subtle shift in conditions. September boasts warmer temperatures, with an average of 26°C (78°F) and frequent rain, accumulating 91 mm (3.6 in) over about 9 days, and a higher humidity level at 82%. In contrast, November features slightly cooler temperatures, averaging 24°C (76°F), and is much drier, with only 4 mm (0.1 in) of precipitation across the month and no rainy days, resulting in a lower humidity of 79%. Overall, November offers a more comfortable and stable climate, ideal for outdoor activities. For more detailed insights, you can check Sao Filipe weather in November.

In September, the weather is typically warmer, with average temperatures around 26°C (78°F) and maximums reaching up to 27°C (82°F). Humidity is relatively high at 82%, and there are about 9 rainy days contributing to a total precipitation of 91 mm (3.6 in). In contrast, December brings slightly cooler conditions, with an average temperature of 23°C (73°F) and maximum temperatures of 26°C (79°F). The humidity decreases to 74%, and the rainfall is minimal, with only 4 mm (0.2 in) over just 1 rainy day. For more detailed information, you can check Sao Filipe weather in December.

Compare Sao Filipe's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sao Filipe

As September arrives in Sao Filipe, it ushers in a shift towards warmer and more humid conditions compared to the preceding months. With average temperatures hovering around 26°C (78°F) and notable humidity levels peaking at 82%, this time of year feels particularly sultry. Although rainfall does make its presence felt, with about 91 mm spread across 9 days, it provides a refreshing contrast to the preceding dry spells. This combination of warmth and moisture makes September a unique month, setting the stage for the transition into the heart of the island's tropical charm. For more detailed insights into its climate, visit Sao Filipe Climate.