Last updated: February 24, 2025
In Arco da Calheta, Portugal, September welcomes pleasant weather characterized by a maximum temperature of 25°C (77°F) and an average of 21°C (71°F). With a minimum temperature lingering around 19°C (66°F), the climate remains comfortably warm. This month experiences only 12 mm (0.5 in) of precipitation spread over 2 days, making it ideal for outdoor activities. The humidity level averages at a delightful 81%, contributing to the region's lush landscapes. Whether you're exploring coastal trails or savoring local cuisine, September offers a captivating blend of warmth and mildness.
As summer gracefully transitions into autumn, September in Arco da Calheta, Portugal, offers a delightful climate marked by warmth and comfort. With nighttime temperatures starting at a mild 19°C (66°F) and daytime highs reaching up to 25°C (77°F), the month showcases an average temperature of 21°C (71°F), making it an ideal time for outdoor activities. The lingering heat of late summer coupled with cooler ocean breezes creates a pleasant atmosphere, inviting visitors to relish in beach days and scenic hikes. Notably, September maintains the warmth seen in August, yet hints at the cooler months ahead, providing a perfect closing chapter to the vibrant summer season.
In Arco da Calheta, Portugal, September marks a subtle transition in precipitation patterns, with 12 mm (0.5 in) of rain recorded over just 2 days. This month stands out in stark contrast to the dry summer period of July and August, which each received a mere 3 mm (0.1 in) and saw no rainfall at all. As summer wanes, September introduces a hint of moisture, bridging the drier months and paving the way for the wetter autumn season ahead. Following this, precipitation increases significantly in October and November, reinforcing the trend of rising rainfall leading into the winter months. This gradual shift highlights the seasonal rhythm of the region, making September a fleeting but noteworthy point in the annual climatic cycle.
In September, Arco da Calheta experiences a notable humidity level of 81%, maintaining a slightly more comfortable environment compared to the peak summer months of July and August, which see humidity levels at 83%. This gradual decline in humidity as summer transitions to autumn suggests a shift towards a more temperate climate, with autumnal influences beginning to set in. Overall, the month of September finds itself nestled within a relatively high humidity range throughout the year, starting at 75% in the cooler months of January and February and peaking in the summer. The gradual ebb of humidity in September heralds an inviting period for both locals and visitors, making it a charming time to enjoy the lush landscapes of the region.
In September, Arco da Calheta, Portugal, experiences a UV Index of 10, indicating a very high level of sun exposure that calls for caution. This marks a slight decline from the extreme indices of 11 seen in the summer months of July and August, yet it's important to remain vigilant as the burn time reduces to just 15 minutes. This transition signals the onset of autumn while still maintaining significant UV intensity, reflecting a consistent trend of high UV exposure through the late summer into early fall. As always, protecting your skin during these times is crucial. For more detailed information, visit Arco da Calheta UV Index.
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In the picturesque Arco da Calheta, Portugal, September shines with an impressive 338 hours of sunshine, continuing the summer's vibrant glow. As the peak of summer gives way to early autumn, the sun-soaked days begin to taper off, yet this month still holds its own against July's remarkable 391 hours. The trend throughout the year shows a gradual increase in sunshine from January's 191 hours up to the summer's apex, before a gentle decline sets in. Despite the waning hours, September offers a delightful balance of warmth and light, inviting visitors to relish the lingering summer charm as the year transitions.
In Arco da Calheta, Portugal, September typically brings a 59% chance of sunny weather, marking a delightful transition from the sizzling summer months. As the peak summer heat begins to wane, the likelihood of sunshine remains fairly robust, though it dips from the heights of July and August, which boast probabilities of 81% and 78% respectively. This trend reflects a gradual shift into autumn, where the sun still holds sway but is accompanied by a hint of seasonal change. October maintains a similar outlook at 62%, offering another opportunity for sun-soaked days. Overall, September is a beautiful time to visit, balancing warm weather with the onset of a cooler season.
In September, Arco da Calheta experiences a gentle transition as the daylight duration settles at 12 hours. This marks a slight decline from the summer peak of 14 hours in June and July, reflecting the gradual shift toward autumn. While the days are still pleasantly long, the trend indicates a progressive shortening as the year advances, moving towards the 11-hour days of October and November. This rhythm of daylight not only enhances the beauty of the surroundings but also encourages a range of outdoor activities, making September a delightful time to explore the coastal charm of Portugal.
In September, the winds in Arco da Calheta, Portugal, calm down slightly from the summer's breezy highs, averaging 4.4 m/s (10 mph), mirroring the winds of January. This gentle shift reflects the transition into autumn, as the region sees a softening of summer’s warm embrace. Notably, the month's wind speed echoes August's breezes, both tapering off from the peak summer months of June and July, which boasted averages of 5.3 m/s (12 mph) and 5.4 m/s (12 mph) respectively. The pattern reveals a gradual descent towards the cooler months, hinting at the changing seasons while maintaining a pleasantly mild atmosphere for early autumn activities. As we move into October, the winds are expected to ease further, reinforcing the serene charm of this beautiful coastal locale.
The weather in Arco da Calheta changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Arco da Calheta and find detailed weather information for every month.
In September, the weather is generally warmer with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 25°C (77°F), enjoying an average of 21°C (71°F). With only 12 mm (0.5 in) of precipitation over about 2 days, the month remains relatively dry, though humidity is high at 81%. In contrast, January brings cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 21°C (70°F), and an average of 16°C (61°F). This month sees increased rainfall, totaling 37 mm (1.4 in) over roughly 6 days, while humidity decreases slightly to 75%. For more detailed information, check out Arco da Calheta weather in January.
In September, the weather tends to be warmer and drier compared to February, with average temperatures ranging from 19°C (66°F) to 25°C (77°F) and only 12 mm (0.5 in) of precipitation over just two days. The humidity is relatively high at 81%, making it feel quite warm. In contrast, February experiences cooler temperatures, with an average ranging from 11°C (52°F) to 21°C (70°F), and significantly more rainfall at 65 mm (2.5 in) over eight days. Humidity is slightly lower at 75%, contributing to a crisp atmosphere. For more specific details about February weather in this region, you can visit Arco da Calheta weather in February.
In comparing the weather between September and March, September generally presents warmer conditions, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 25°C (77°F). In contrast, March features cooler temperatures, with averages dipping to a minimum of 10°C (50°F) and peaking at 22°C (71°F). Additionally, September sees significantly less precipitation, totaling only 12 mm (0.5 in) over just 2 days, while March experiences much wetter conditions with 65 mm (2.6 in) across 8 days. Despite this, humidity levels in both months are relatively similar, at 81% in September and 78% in March. For more detailed insights into March weather, you can visit Arco da Calheta weather in March.
In comparison to April, September boasts warmer temperatures, with a minimum of 19°C (66°F) and an average of 21°C (71°F), reaching a maximum of 25°C (77°F). April, on the other hand, features cooler temperatures, with a minimum of 12°C (55°F) and an average of 16°C (61°F) peaking at 20°C (68°F). Additionally, September experiences significantly less precipitation, with only 12 mm (0.5 in) over just 2 days, compared to April's 56 mm (2.2 in) spread across 12 days. The humidity levels are fairly similar, with September at 81% and April at 78%, making for a pleasant but slightly more humid environment in September. For those interested in exploring the specifics of April weather conditions, more details can be found at Arco da Calheta weather in April.
In September, the weather is generally warmer than in May, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 25°C (77°F), compared to May's range of 14°C (57°F) to 23°C (73°F). While September typically enjoys less rainfall, with only 12 mm (0.5 in) spread over 2 days, May experiences slightly higher precipitation at 21 mm (0.8 in) over 4 days. Furthermore, September's humidity is a bit higher at 81%, while May's humidity sits comfortably at 77%. For a closer look at the weather specifics in May, you can visit Arco da Calheta weather in May.
In comparing the weather of September and June, September tends to be slightly warmer, featuring minimum temperatures of 19°C (66°F) and averages around 21°C (71°F), with maximums reaching 25°C (77°F). In contrast, June's temperatures are a bit cooler, with minimums at 15°C (60°F), averaging 19°C (66°F), and maximums of 23°C (73°F). Rainfall in June is more significant, totaling 28 mm (1.1 in) over 3 days, compared to September's lighter precipitation of 12 mm (0.5 in) spread over just 2 days. Humidity levels remain relatively similar, with September at 81% and June at 80%. For a detailed look at weather conditions in June, you can refer to Arco da Calheta weather in June.
When comparing the weather in September and July, there are a few notable differences. September sees slightly warmer temperatures, with an average of 21°C (71°F) compared to July's average of 20°C (69°F). However, July boasts a marginally higher maximum temperature of 26°C (79°F), while September's highest reaches 25°C (77°F). Precipitation is more prominent in September, with 12 mm (0.5 in) falling over 2 days, while July remains dry with only 3 mm (0.1 in) and no rainy days. Humidity levels are relatively similar, at 81% in September and 83% in July. For a more detailed look at July weather, you can refer to Arco da Calheta weather in July.
In September, the weather is slightly cooler than in August, with average temperatures dropping from 22°C (72°F) in August to 21°C (71°F) in September. While the minimum temperature remains stable at 19°C (66°F) for both months, September sees a maximum temperature of 25°C (77°F), compared to 26°C (79°F) in August. Precipitation increases in September, with 12 mm (0.5 in) over two days, while August is much drier with only 3 mm (0.1 in) and no rainy days. Humidity levels are also similar, hovering around 81% in September and 83% in August. For more details, check out Arco da Calheta weather in August.
In comparing the weather between September and October, we see a slight decline in average temperatures. September boasts a minimum of 19°C (66°F) and an average of 21°C (71°F), while October features a slightly cooler minimum of 17°C (62°F) and an average of 20°C (69°F). Both months reach a maximum of 25°C (77°F), providing some consistency in the warmer range. However, precipitation increases significantly in October, with 42 mm (1.7 in) over six days compared to just 12 mm (0.5 in) across two days in September. Humidity remains fairly constant, with September at 81% and October at 80%. For more detailed insights, you can check out the Arco da Calheta weather in October.
In September, the weather is pleasantly warm, with minimum temperatures around 19°C (66°F) and average highs reaching up to 25°C (77°F), along with relatively low precipitation of 12 mm (0.5 in) over just 2 days. In contrast, November sees cooler temperatures, with a minimum of 12°C (54°F) and an average of 18°C (65°F), though it can still reach a maximum of 24°C (75°F). The month is significantly wetter, receiving 72 mm (2.8 in) of rainfall spread across 10 days, leading to a somewhat lower humidity level of 75%. For those interested in more details about the weather in November, you can check out Arco da Calheta weather in November.
September offers a warmer and more pleasant atmosphere with average temperatures ranging from 19°C (66°F) to 25°C (77°F) and relatively low precipitation of just 12 mm (0.5 in) over 2 days. The humidity is higher at 81%, contributing to a muggy feel. In contrast, December experiences cooler weather, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 21°C (70°F) and significantly more rainfall, totaling 77 mm (3.0 in) over 8 days. Despite the lower humidity at 75%, December’s weather can feel quite damp compared to the dry warmth of September. For more detailed insights, you can visit Arco da Calheta weather in December.
As September unfolds in Arco da Calheta, visitors can expect a delightful blend of mild temperatures and limited rainfall that sets it apart from the warmer summer months. With average temperatures hovering comfortably around 21°C (71°F) and a mere 12 mm of precipitation falling on just two days, the weather is generally pleasant, making it ideal for outdoor activities. This month sees a slight dip in humidity compared to the peak summer season, fostering a more enjoyable atmosphere for exploring the stunning landscapes and charming streets. For a deeper understanding of what to expect throughout the year, check out the detailed insights in the Arco da Calheta Climate page.