September Weather in Calheta, Cabo Verde

Last updated: August 21, 2025

In September, Calheta, Cabo Verde, experiences a warm and inviting climate, with maximum temperatures reaching 28°C (83°F) and an average of 26°C (79°F). The minimum recorded temperature is a comfortable 24°C (75°F), making it an ideal destination for those seeking pleasant weather. However, expect some rain, as precipitation amounts to 62 mm (2.4 in) over approximately 8 days. Humidity levels hover around a notable 82%, contributing to the tropical feel of this beautiful locale. Embrace the warmth while being prepared for the occasional shower!

September Temperature in Calheta

In September, Calheta, Cabo Verde embraces the warm embrace of late summer, with temperatures hinting at the upcoming autumn transition. The minimum temperature settles at a comfortable 24°C (75°F), while the average climbs to a pleasant 26°C (79°F), peaking at a high of 28°C (83°F). This marks a subtle increase from the cooler months, showcasing the region's gentle warming trend. As the island moves from the vibrant festivities of summer toward the tranquil rhythms of fall, visitors can enjoy warm days and balmy evenings, making September an ideal time to explore the stunning landscapes and rich culture of Calheta.

September Weather in Calheta: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Calheta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calheta, 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 Calheta 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 Calheta

In September, Calheta, Cabo Verde, experiences a notable increase in precipitation, reflecting a shift from the dry spells of the earlier months. With 62 mm (2.4 in) of rainfall over 8 days, this month marks the peak of the wet season, following an already significant jump in August. This surge indicates a dramatic transition in weather patterns, as compared to the almost rainless January through July, which recorded minimal precipitation. The increase in rainfall not only revitalizes the local ecosystem but also enhances the region's natural beauty, making September a pivotal month in the annual climatic cycle of Calheta.

September Precipitation Trends in Calheta

The chart displays monthly precipitation patterns in Calheta, 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 Calheta, 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 Calheta

As summer comes to a close in September, Calheta, Cabo Verde experiences a slight dip in humidity, averaging 82% compared to the peak 85% seen in the months prior. Overall, the humidity levels throughout the year exhibit a characteristic fluctuation, with January starting at 76% and reaching a high of 85% during the spring months, suggesting a gradual increase as the year progresses. The later months, from October to December, signal a return to lower humidity, with levels dropping to 81% in October and 74% by December. This trend of elevated humidity during the early part of the year creates a tropical ambiance but transitions to drier conditions as the year winds down, offering a unique climate experience throughout the seasons.

September Average Humidity in Calheta

This chart illustrates the average monthly humidity levels in Calheta, 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 Calheta 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 Calheta

In September, Calheta, Cabo Verde, reaches its peak UV Index of 14, placing it firmly in the extreme exposure category with a burn time of only 10 minutes. This trend marks a consistent pattern of high UV exposure throughout the year, particularly from February to August, where the index fluctuates between 11 to 13. As summer gives way to autumn, September stands out as the most intense month, underscoring the importance of sun protection. Following this, the UV Index dips slightly to 12 in October before returning to very high levels in the colder months. For those looking to enjoy the sun responsibly, it's essential to stay informed and proactive about UV safety in Calheta. For more details, visit Calheta UV Index.

Maximum UV Index Levels in Calheta for September

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

As summer transitions into autumn, September in Calheta, Cabo Verde still basks in the glow of abundant sunshine, capturing an impressive 313 hours of sunlight. While this marks a slight decline from the peak sunlit days of May with 355 hours, it remains a vibrant month, blending the warmth of summer with the refreshing onset of fall. Notably, sunshine hours gradually decrease from April’s peak, illustrating a gentle shift in the seasons. Despite this dip, September's generous sunshine continues to invite visitors, ensuring outdoor activities and beach days remain enjoyable, while the backdrop of the island’s natural beauty makes it a captivating time to explore.

Monthly Sunshine Duration in Calheta: September Highlighted

The September sunshine duration represents the total number of hours Calheta 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: Calheta September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Calheta During September

In Calheta, Cabo Verde, the likelihood of sunny weather fluctuates throughout the year, showcasing some intriguing trends. As we move from January to April, the chance of sunshine steadily increases, peaking at 63% in April, heralding the vibrant spring months. However, September sees a modest dip, with a 50% chance of clear skies, suggesting a transitional phase as the summer wanes. Interestingly, this month maintains a balance akin to August, which is characterized by a lower 45% chance of sunshine, indicating an end to the peak summer weather. Overall, while September offers a fair opportunity for sunny days, it serves as a reminder that coastal weather is always a delightful mix of surprises.

Percentage of Sunny Days in September in Calheta

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

Daylight Hours in Calheta in September

In Calheta, Cabo Verde, the daylight duration exhibits a rhythm that enhances the allure of each month. January and February start the year with a consistent 11 hours of daylight, gently transitioning to a more vibrant 12 hours from March through September. This steady daylight period invites outdoor exploration and vibrant activities under the sun. As the year progresses into October, daylight begins to wane once again, returning to 11 hours through to December. This cyclical pattern not only marks the changing seasons but also highlights the region's delightful balance of sunlight, creating an inviting atmosphere year-round.

Average Daylight Hours in Calheta for September

The chart illustrates the variation in daylight duration in Calheta 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: Calheta daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Calheta

As September sweeps in, the winds of Calheta, Cabo Verde gently transition, offering a modest average speed of 4.6 m/s (10 mph). This marks a slight uptick from the summer’s calms, where July and August saw their lowest winds, with speeds of just 4.4 m/s (10 mph) and 4.0 m/s (9 mph), respectively. The overall trend from January to September reveals a gradual decline in wind intensity, peaking in early months before mellowing into the quieter summer. However, September hints at a subtle revival, foreshadowing the more invigorating breezes that October and November promise as they approach. This rhythmic interplay of seasonal winds is a captivating aspect of Calheta’s maritime charm, making it a delightful destination for both wind enthusiasts and those seeking tranquil coastal days.

Average September Wind Speed in Calheta

The chart displays monthly wind speed patterns in Calheta, 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: Calheta September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Calheta Compares to Other Months

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

September weather tends to be warmer and more humid compared to January, with average temperatures reaching 26°C (79°F) and high humidity levels of 82%. Additionally, September experiences around 62 mm of precipitation over approximately 8 days, making it a relatively wetter month. In contrast, January offers milder temperatures, with an average of 22°C (72°F) and notably lower humidity at 76%. Furthermore, January sees minimal precipitation, averaging just 1 mm with no rainy days, creating a drier atmosphere. For more details on January weather, you can check Calheta weather in January.

September and February weather exhibit notable differences in temperature and precipitation. In September, temperatures are warmer, with averages around 26°C (79°F) and a maximum of 28°C (83°F), while February sees cooler conditions, with an average of 21°C (70°F) and a maximum of 25°C (76°F). Additionally, September experiences significantly more rainfall, with 62 mm (2.4 in) over about 8 days, compared to February's minimal precipitation of just 2 mm (0.1 in) across 0 days. Humidity levels are relatively similar, with September at 82% and February at 80%, making September feel a bit more sultry. For those interested in February specifics, you can check Calheta weather in February.

September and March present distinct weather characteristics in terms of temperature and precipitation. In September, temperatures are warmer, with a minimum of 24°C (75°F) and an average of 26°C (79°F), while March shows cooler temperatures with a minimum of 19°C (66°F) and an average of 21°C (70°F). Moreover, September experiences significantly more rainfall, with 62 mm (2.4 in) of precipitation over 8 days, in stark contrast to March, which sees almost no rainfall at just 1 mm (0.0 in) and 0 days of precipitation. Interestingly, humidity remains quite similar, with September at 82% and March at a slightly higher 83%. For a closer look at March conditions, you can check out Calheta weather in March.

In comparing the weather between September and April, notable differences emerge. September experiences warmer temperatures, with a minimum of 24°C (75°F) and an average of 26°C (79°F), while April's temperatures are milder, ranging from a minimum of 18°C (65°F) to an average of 21°C (71°F). Additionally, September sees more precipitation, totaling 62 mm (2.4 in) over 8 days, while April is much drier with only 1 mm (0.0 in) of precipitation and no rainy days. Humidity levels are relatively high in both months, with April slightly higher at 85% compared to September's 82%. For more specific details about the climate, you can visit Calheta weather in April.

In comparing the weather between September and May, September tends to be noticeably warmer, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (83°F), averaging 26°C (79°F). This month also experiences more rainfall, with 62 mm (2.4 in) of precipitation over about 8 days, contributing to a humidity level of 82%. In contrast, May presents milder temperatures, with a minimum of 19°C (67°F) and a maximum of 24°C (76°F), averaging 22°C (71°F). Additionally, May is characterized by very little precipitation, receiving only 1 mm (0.1 in) and experiencing no rainy days, alongside a slightly higher humidity of 85%. For more detailed information on Calheta's climate in May, visit Calheta weather in May.

In comparing the weather between September and June, September tends to be warmer with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (83°F), while June is slightly cooler, with temperatures varying from 20°C (68°F) to 26°C (79°F). Additionally, September experiences more precipitation, averaging 62 mm (2.4 in) over 8 days, compared to June’s minimal rainfall of just 2 mm (0.1 in) and no rainy days. Interestingly, humidity levels are quite similar in both months, with September at 82% and June slightly higher at 83%. For more detailed insights, you can check Calheta weather in June.

In comparing the weather from July to September, September tends to be slightly warmer, with average temperatures rising to around 26°C (79°F) compared to July's average of 24°C (75°F). The maximum temperatures in September can reach up to 28°C (83°F), while July peaks at 27°C (80°F). Additionally, September sees more precipitation, with 62 mm (2.4 in) spread over 8 days, contrasting sharply with July, which experiences minimal rainfall of only 6 mm (0.3 in) and no rainy days at all. Humidity levels remain relatively high in both months, with September at 82% and July slightly higher at 84%. For more details, you can visit Calheta 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 25°C (78°F). Both months experience maximum temperatures of 28°C (83°F) and 28°C (84°F), respectively, but September has a higher minimum temperature of 24°C (75°F) versus August's 23°C (73°F). Additionally, September sees more precipitation, with 62 mm (2.4 in) over 8 days, compared to August's 45 mm (1.8 in) over 6 days. Humidity levels in September are a bit lower at 82%, while August maintains a slightly higher average at 84%. For more details on August weather trends, you can check out Calheta weather in August.

September and October exhibit remarkably similar temperatures, with both months showcasing a minimum of 24°C (75°F), an average of 26°C (79°F), and a maximum of 28°C (83°F). However, the precipitation levels differ significantly, as September experiences 62 mm (2.4 in) over 8 days, while October is much drier with only 13 mm (0.5 in) falling across just 2 days. Humidity levels remain comparable between the two months, with September at 82% and October slightly lower at 81%. For more detailed weather information specific to October, you can visit Calheta weather in October.

In September, the weather is warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (83°F) and higher humidity at 82%. The month also experiences considerable rainfall, with 62 mm (2.4 in) of precipitation over 8 days. In contrast, November sees slightly cooler temperatures, with an average ranging from 22°C (72°F) to 27°C (81°F), and significantly less humidity at 79%. Notably, November experiences very little rainfall, with only 2 mm (0.1 in) and no rainy days. For more detailed information, you can visit Calheta weather in November.

In September, the weather tends to be warmer and more humid, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (83°F), and an average of 26°C (79°F). This month sees a significant amount of precipitation, totaling 62 mm (2.4 in) over about 8 days, accompanied by high humidity levels at 82%. In stark contrast, December offers a cooler and drier climate, with temperatures ranging from 20°C (69°F) to 26°C (80°F), averaging 23°C (74°F). This month experiences minimal rainfall, with only 2 mm (0.1 in) and no rainy days, and the humidity drops to a more comfortable 74%. For a detailed look at December's weather, you can check out Calheta weather in December.

Compare Calheta's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Calheta

September in Calheta offers a delightful blend of warmth and a touch of humidity, making it a unique transition month as summer begins to fade. With temperatures averaging around 26°C (79°F), it feels pleasantly warm, though occasional rainfall—spanning about eight days—adds a refreshing element to the air. Compared to the drier summer months, September's increased humidity at 82% contributes to a lush environment, making it an ideal time for nature lovers to explore. If you're looking to determine how this month fits into the broader climate patterns, you can find more information on the local conditions at Calheta Climate.