September Weather in Santa Cruz, Cabo Verde

Last updated: August 21, 2025

September weather in Santa Cruz, Cabo Verde, offers a delightful tropical experience, with maximum temperatures reaching 28°C (83°F) and a comfortable average of 26°C (79°F). Nighttime brings mild conditions, with minimum temperatures around 24°C (75°F). While the month sees an average precipitation of 62 mm (2.4 in) over eight days, the high humidity level of 82% contributes to the rich, vibrant landscapes and lush vegetation synonymous with this beautiful archipelago. Visitors can expect a balance of warm sunshine and occasional refreshing showers, creating a perfect backdrop for exploration and relaxation.

September Temperature in Santa Cruz

September in Santa Cruz, Cabo Verde, marks a transition into warm, tropical weather, with temperatures averaging 26°C (79°F). This month sees minimum temperatures rising to 24°C (75°F) and maximums peaking at 28°C (83°F), setting the stage for delightful beach days and outdoor adventures. This trend of increasing warmth continues from August, where temperatures were slightly higher, illustrating the mild and inviting climate that characterizes the region. As summer fades, September offers visitors a perfect blend of warmth and comfort, making it an ideal time for exploration and relaxation under the Cabo Verdean sun.

September Weather in Santa Cruz: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Cruz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Cruz, 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).
JanFebMarAprMayJunJulAugSepOctNovDec727070707173757779797773
Data source: Temperature data for Santa Cruz 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 Santa Cruz

In September, Santa Cruz, Cabo Verde experiences a significant increase in precipitation, marking it as one of the wettest months of the year. With a total of 62 mm (2.4 in) of rain over 8 days, this surge follows the already notable rainfall seen in August. While the early months of the year see hardly any rain—often resting at just 1-2 mm—the summer culminates in a climatic shift that brings lush changes to the landscape. As the dry season approaches in the subsequent months, the abrupt spike in September serves as a reminder of the island's distinct weather patterns, blending the intensity of the tropical climate with the rhythms of seasonal variation.

September Precipitation Trends in Santa Cruz

The chart displays monthly precipitation patterns in Santa Cruz, 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 Santa Cruz, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec121112745621322
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Cruz

In September, Santa Cruz, Cabo Verde experiences a slight dip in humidity, averaging 82%, following a summer characterized by consistently high levels between 83% and 85% from April through August. This transition hints at the approaching dry season, as the humidity gradually decreases in the following months, reaching 81% in October and 79% in November. The overall trend illustrates a subtropical climate where humidity peaks in the early summer and begins to ease as autumn sets in, creating a comfortable environment for visitors and residents alike.

September Average Humidity in Santa Cruz

This chart illustrates the average monthly humidity levels in Santa Cruz, 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 Santa Cruz 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 Santa Cruz

As summer transitions into fall, September brings an even more intense UV challenge to Santa Cruz, Cabo Verde. With a soaring UV Index of 14, this month enters the upper echelons of the extreme exposure category, which means that just 10 minutes of unprotected sun exposure can lead to burns. This trend of elevated UV levels has been apparent since June, with values consistently maintaining an extreme rating of 12 or higher throughout the summer months. Visitors and locals alike should take extra precautions, ensuring adequate sun protection and hydration while enjoying the stunning Cabo Verdean shores. For more information on the UV Index throughout the year, check out Santa Cruz UV Index.

Maximum UV Index Levels in Santa Cruz for September

The chart shows the monthly maximum UV Index (UVI) for Santa Cruz 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 Santa Cruz typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111313121213131412109
Data source: Santa Cruz 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 Santa Cruz

September in Santa Cruz, Cabo Verde, offers a radiant blend of sunshine with 313 hours of glorious daylight, gracefully continuing the trend of pleasant weather observed throughout the year. As summer transitions into autumn, the hours of sunshine start to taper from the peak of 355 hours in May, yet September still boasts a wealth of golden hours, outpacing the earlier months of January and February. This gradual decline in sunlight hours signals the end of the dry season, but it remains a prime time for beachgoers and adventurers alike, as the sun-kissed shores offer warmth and a welcoming atmosphere. With the sunlight gently fading into October, which brings 322 hours, September stands as a vibrant reminder of Cabo Verde's enchanting coastal allure, where each sun-soaked day is a celebration of nature’s beauty.

Monthly Sunshine Duration in Santa Cruz: September Highlighted

The September sunshine duration represents the total number of hours Santa Cruz 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.
JanFebMarAprMayJunJulAugSepOctNovDec242h285h335h339h355h335h330h332h313h322h290h287h
Data source: Santa Cruz September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santa Cruz During September

In September, Santa Cruz, Cabo Verde experiences a 50% chance of sunny weather, making it a transitional month as summer winds down. This figure reflects a notable dip from the peak sunshine months of June (69%) and April (63%), yet it’s an improvement over the more cloudier August (45%). As the rainy season approaches in the following months, September presents a unique opportunity for travelers, balancing moderate sun with cooler breezes. Overall, this month can still offer plenty of bright days, blending the vestiges of summer warmth with the promise of autumn.

Percentage of Sunny Days in September in Santa Cruz

The chart illustrates the percentage of sunny days in Santa Cruz 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 Santa Cruz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%59%61%63%57%69%58%45%50%57%30%39%
Data source: Santa Cruz September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santa Cruz in September

In Santa Cruz, Cabo Verde, the rhythm of daylight throughout the year reveals a captivating pattern. Starting the year with a consistent 11 hours of daylight in January and February, the days gradually lengthen, peaking at 12 hours from March through September. This steady duration fosters a warm, inviting ambiance, perfect for outdoor adventures and sea breezes. As autumn approaches, the daylight begins to wane once more, returning to 11 hours in October and continuing through December. This cyclical shift enhances the charm of Santa Cruz, making every season a unique experience, bathed in the sun's golden glow.

Average Daylight Hours in Santa Cruz for September

The chart illustrates the variation in daylight duration in Santa Cruz throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 19m11h 38m12h 2m12h 28m12h 49m12h 59m12h 54m12h 35m12h 11m11h 46m11h 24m11h 14m
Data source: Santa Cruz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Santa Cruz

In September, the winds in Santa Cruz, Cabo Verde begin to pick up a bit, with an average speed of 4.6 m/s (10 mph), slightly increasing from the calmer summer months of July and August. This modest rise in wind strength hints at the changing seasons, as the cooler breezes start to replace the slow summer air. Observing the trend for the rest of the year, October witnesses an uptick to 5.6 m/s (12 mph), reaffirming that September acts as a gentle transition into the more dynamic winds of the autumn months. Overall, while the September winds may not be as vigorous as those seen earlier in the year, they still provide a refreshing shift, enticing visitors and locals alike to embrace the coastal charm of this idyllic location.

Average September Wind Speed in Santa Cruz

The chart displays monthly wind speed patterns in Santa Cruz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.87.27.16.56.15.34.44.04.6 m/s5.65.46.1
Data source: Santa Cruz September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Santa Cruz Compares to Other Months

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

September and January present distinctly different weather patterns. In September, temperatures are generally warmer, with a low of 24°C (75°F) and highs reaching up to 28°C (83°F), alongside considerable rainfall totaling 62 mm (2.4 in) over 8 days. The humidity during this month is quite high at 82%, contributing to a tropical feel. In contrast, January offers cooler temperatures, with a minimum of 19°C (66°F) and a maximum of 25°C (78°F), and remarkably little rainfall, recording only 1 mm (0.0 in) with no rainy days. The humidity drops slightly to 76%, making January a drier month overall. For more detailed insights, check out Santa Cruz weather in January.

September and February present contrasting weather patterns. In September, temperatures are relatively warm, with a minimum of 24°C (75°F) and an average of 26°C (79°F), reaching a peak of 28°C (83°F). However, this month sees more rainfall, with 62 mm (2.4 in) over 8 days, and humidity levels remain high at 82%. In stark contrast, February enjoys milder temperatures, with a minimum of 18°C (65°F), an average of 21°C (70°F), and a maximum of 25°C (76°F). Additionally, February is significantly drier, recording only 2 mm (0.1 in) of precipitation and no rainy days, coupled with slightly lower humidity at 80%. For more detailed weather information, check out Santa Cruz weather in February.

In September, the weather tends to be warmer with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (83°F), coupled with an average of 26°C (79°F). This month also experiences notable precipitation, totaling 62 mm (2.4 inches) over 8 days, and high humidity at 82%. In contrast, March offers a cooler climate, with temperatures ranging from 19°C (66°F) to a maximum of 24°C (75°F) and an average of 21°C (70°F). Notably, March sees minimal precipitation of just 1 mm (0.0 inches) and no rainy days, while humidity remains slightly elevated at 83%. For more detailed insights on March weather, you can check Santa Cruz weather in March.

When comparing the weather in September and April, notable differences emerge. September experiences warmer temperatures, with averages around 26°C (79°F) and maximums reaching 28°C (83°F), while April is cooler, with an average of 21°C (71°F) and maximums of 24°C (76°F). Additionally, September sees more rainfall, with 62 mm (2.4 in) of precipitation over 8 days, compared to April's remarkably dry conditions with only 1 mm (0.0 in) and no rainy days at all. Humidity levels are slightly higher in April at 85%, compared to 82% in September. These factors make September feel more tropical and lush, while April maintains a mild, dry climate ideal for outdoor activities. For more detailed insights on April's weather, you can check Santa Cruz weather in April.

When comparing the weather in September and May, September experiences warmer temperatures, with a minimum of 24°C (75°F) and an average of 26°C (79°F), peaking at 28°C (83°F). In contrast, May has cooler conditions, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 24°C (76°F) and an average of 22°C (71°F). While September sees more precipitation, averaging 62 mm (2.4 in) over about 8 days, May is notably dry, recording just 1 mm (0.1 in) without any rainy days. Despite slightly lower humidity in May at 85% compared to September's 82%, both months maintain a relatively humid environment. For a closer look at May's climate, visit Santa Cruz weather in May.

In comparing the weather of September and June, we see notable differences in temperature and precipitation. September boasts a warmer climate with average temperatures reaching 26°C (79°F) and highs of 28°C (83°F), compared to June's cooler average of 23°C (73°F) with a maximum of 26°C (79°F). Additionally, September experiences more rainy days, with a total of 62 mm (2.4 in) falling over 8 days, while June remains exceptionally dry with only 2 mm (0.1 in) of precipitation and no rainy days at all. Despite this, both months maintain a relatively high humidity level of around 82%-83%. For more details on the weather in June, you can visit Santa Cruz weather in June.

In comparing September and July weather, September tends to be slightly warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (83°F), compared to July's range of 21°C (70°F) to 27°C (80°F). Additionally, September experiences more precipitation, averaging 62 mm (2.4 in) over 8 days, while July is notably drier with only 6 mm (0.3 in) of rain and no rainy days at all. Humidity remains relatively high in both months, with September at 82% and July slightly higher at 84%. For more detailed insights, check Santa Cruz weather in July.

In comparing the weather between August and September, both months exhibit warm temperatures, with September slightly warmer on average, reaching a minimum of 24°C (75°F) compared to 23°C (73°F) in August. The average temperature in September is 26°C (79°F), just a degree higher than August's 25°C (78°F), while the maximum remains consistent at 28°C (83°F) in both months. However, September sees increased precipitation with 62 mm (2.4 in) over 8 days, compared to August's 45 mm (1.8 in) over 6 days. Humidity is slightly lower in September at 82%, down from August's 84%. For more detailed insights into the weather conditions during August, check out Santa Cruz weather in August.

In comparing the weather of September and October, both months experience similar temperature ranges, with minimums at 24°C (75°F), averages at 26°C (79°F), and maximums at 28°C (83°F). However, October offers a notable reduction in precipitation, dropping to just 13 mm (0.5 in) over 2 days, compared to September's 62 mm (2.4 in) over 8 days. The humidity levels also remain relatively constant, with September at 82% and October slightly lower at 81%. For more detailed insights, you can check Santa Cruz weather in October.

In comparison to September, November experiences slightly cooler temperatures, with average highs of 27°C (81°F) compared to September's 28°C (83°F). The minimum temperatures remain close, with September at 24°C (75°F) and November at 22°C (72°F). Notably, November sees a significant decrease in precipitation, dropping to just 2 mm (0.1 in) over the month with no rainy days, while September has 62 mm (2.4 in) spread over 8 days. Humidity levels are also slightly lower in November at 79%, compared to 82% in September. For a detailed look at the weather trends during this month, you can visit Santa Cruz weather in November.

In September, the weather is typically warmer and wetter, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (83°F) and average humidity at 82%. The month also experiences significant rainfall, with about 62 mm (2.4 in) spread over 8 days. In contrast, December offers a cooler and drier climate, featuring a lower temperature range of 20°C (69°F) to 26°C (80°F) and just a meager 2 mm (0.1 in) of precipitation across the entire month. The humidity also decreases to 74%, making for a more comfortable atmosphere. For more detailed weather information, visit Santa Cruz weather in December.

Compare Santa Cruz's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Santa Cruz

As September rolls into Santa Cruz, you'll experience balmy temperatures and a hint of humidity, making this month distinct as it transitions into the rainy season. With average highs around 26°C and a notable 82% humidity, it's warmer yet more comfortable compared to the cooler months before it. While showers may grace the landscape on about eight days, they bring life to the vibrant surroundings, creating a lush backdrop for outdoor activities. If you're eager to learn more about the subtle shifts in climate throughout the year, be sure to explore the in-depth information available on Santa Cruz Climate.