Last updated: February 24, 2025
Experience the enchanting climate of Calheta, Portugal in September, where temperatures gracefully hover between a maximum of 25°C (77°F) and a minimum of 19°C (66°F), averaging a pleasant 21°C (71°F). This month is marked by a gentle hum of humidity at 81%, creating an inviting atmosphere for visitors. With only 12 mm (0.5 in) of precipitation distributed over just 2 days, sunshine predominates, making it an ideal time for outdoor activities and exploration. Embrace the allure of Calheta as you bask in its mild and delightful September weather.
In September, Calheta, Portugal, enjoys a delightful transition towards autumn, marked by mild temperatures that invite visitors to relish the outdoors. With minimums around 19°C (66°F) and averages reaching 21°C (71°F), the days remain pleasantly warm, peaking at a comfortable 25°C (77°F). This gradual cooling from the summer heat offers the perfect backdrop for exploration, making September an ideal time for both beachgoers and hikers. As the month progresses, the warmth of summer lingers while the crispness of fall begins to gently weave into the atmosphere, creating an enchanting setting for anyone looking to experience the beauty of the island.
In Calheta, Portugal, September marks a gentle shift in the weather, characterized by a modest precipitation total of just 12 mm (0.5 in) over the course of only two days. This slight increase in rainfall signals the end of the dry summer months, with much less rain than the preceding July and August, which recorded virtually no precipitation. As autumn approaches, this mild uptick hints at the wetter seasons to come, paving the way for a more substantial increase in rainfall from October onwards, where totals rise significantly. The overall trend shows September as a transitional month, offering a brief reprieve from the summer heat while foreshadowing the impending changes in the region’s climate.
In Calheta, Portugal, September experiences a comfortable humidity level of 81%, marking a slight decrease from the peak summer months of July and August, which hold steady at 83%. This transition reflects a broader trend as humidity levels gradually decline from their summer highs, with averages falling to 80% by October. Throughout the year, the humidity fluctuates, peaking in the warmer months while maintaining a relatively stable range between 75% and 83%. The consistent humidity values in the spring and early summer suggest a climate that embraces moisture, setting the stage for lush landscapes and rich vegetation in this beautiful coastal locale.
In September, Calheta, Portugal, experiences a UV Index of 10, which falls into the very high exposure category, indicating that the sun's rays can be exceptionally intense. As summer transitions to autumn, sun protection remains crucial, with a burn time of just 15 minutes for unprotected skin. This month caps off a streak of extreme UV levels from May through August, reflecting the region's strong sun intensity during the warmer months. As the year moves forward, October will see a slight dip to a UV Index of 8, yet the trend indicates the need for continued awareness and protective measures. For more detailed information, check out Calheta UV Index.
UV Risk Categories
With September gracing Calheta, Portugal, the sun continues to shine brightly, offering a delightful 338 hours of daylight. This marks a gentle decline from the peak summer months, reflecting a consistent trend of gradually diminishing sunlight from the 391 hours in July. As the year progresses from the vibrant highs of summer, September's luminosity still invites exploration and relaxation, maintaining a warm ambiance reminiscent of late-summer days. As the sunshine softens, it paves the way for the autumn months, where the golden hues of October and November unveil their charm with 321 and 260 hours of sun respectively, yet with a heartening reminder of the abundant light that graced the summer days.
As summer fades into autumn, Calheta, Portugal, continues to bask in pleasant weather, with a 59% chance of sunny days in September. This month marks a transition from the peak of summer, where sun-soaked July and August boast impressive rates of 81% and 78% respectively. As temperatures begin to cool, September still offers a reliable amount of sunshine, noticeably higher than the earlier months of the year, with February's 51% and April's 49%. This trend reflects a warm, inviting atmosphere that makes September a fantastic time for visitors to enjoy outdoor activities against the backdrop of a shimmering sun.
As summer fades into autumn in Calheta, Portugal, September offers a balanced daylight duration of 12 hours. This month marks a gentle decline from the 14 hours enjoyed in June and July, showcasing a gradual transition as daylight diminishes with the changing seasons. Following a month of 13 hours in August, September reflects nature's rhythmic shift, leading into the shorter days of October with 11 hours of light. This downward trend from summer's brightness to winter's early evenings invites locals and visitors alike to bask in the warm glow of early autumn before the days grow shorter, making it a perfect time for outdoor adventures.
In Calheta, Portugal, the month of September showcases a gentle easing of the summer breezes, with an average wind speed of 4.4 m/s (10 mph), mirroring January's calm. As the summer winds begin to settle, September marks a transitional phase, echoing the patterns of the preceding months. The steady increase seen from May to August, where wind speeds reach a peak of 5.4 m/s (12 mph) in July, gives way to this slight reduction in the air's movement. Interestingly, the wind picks up again in October and December, hinting at a rhythmic dance of nature as the seasons shift. This delightful variability in wind patterns not only enhances the coastal charm of Calheta but also adds an engaging layer to outdoor activities and adventures in the picturesque landscape.
The weather in 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 Calheta and find detailed weather information for every month.
September and January showcase contrasting weather patterns. September brings milder temperatures, with a minimum of 19°C (66°F) and an average of 21°C (71°F), creating a warm ambiance perfect for outdoor activities. In comparison, January experiences cooler temperatures, with a minimum of 11°C (52°F) and an average of 16°C (61°F), signaling the onset of winter. Additionally, September is relatively dry, with only 12 mm (0.5 in) of precipitation over 2 days, while January sees increased rainfall, accumulating 37 mm (1.4 in) over 6 days. Despite this, January maintains a lower humidity level at 75%, compared to September’s higher 81%. For more detailed insights into January weather, visit Calheta weather in January.
When comparing the weather in September and February, notable differences emerge. September enjoys 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). In contrast, February is cooler, with temperatures ranging from a minimum of 11°C (52°F) to an average of 16°C (60°F) and a maximum of 21°C (70°F). Additionally, February experiences significantly higher precipitation, with 65 mm (2.5 in) over 8 days, compared to September's 12 mm (0.5 in) over just 2 days. Despite the increased rain in February, humidity levels are slightly lower at 75% compared to September's 81%. For those interested in more details on February weather in Calheta, you can check Calheta weather in February.
In September, the weather tends to be warmer and drier, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 25°C (77°F) and only 12 mm of precipitation over just 2 days. In contrast, March experiences cooler temperatures, with a range from a minimum of 10°C (50°F) to a maximum of 22°C (71°F), and significantly more rainfall totaling 65 mm across 8 days. Both months have relatively high humidity levels, but September is slightly more humid at 81% compared to March's 78%. For a more detailed look at the weather conditions in Calheta during March, you can visit Calheta weather in March.
When comparing the weather in September and April, it's clear that September enjoys warmer temperatures, with minimums around 19°C (66°F) and average highs reaching 25°C (77°F). In contrast, April features cooler conditions, starting at a minimum of 12°C (55°F) and peaking at around 20°C (68°F). Additionally, September experiences significantly less precipitation, with only 12 mm (0.5 in) over just 2 days, while April sees a marked increase in rainfall at 56 mm (2.2 in) across 12 days. Humidity levels are relatively similar, with September at 81% and April at 78%. For more detailed information on April's weather, you can visit Calheta weather in April.
In comparing the weather between September and May, September typically enjoys warmer temperatures, with minimums around 19°C (66°F) and maximums reaching 25°C (77°F), contrasted with May's cooler temperatures that range from a minimum of 14°C (57°F) to a maximum of 23°C (73°F). While September features lower precipitation at just 12 mm (0.5 in) over about 2 days, May experiences more rainfall, totaling 21 mm (0.8 in) across 4 days. Additionally, September has slightly higher humidity levels at 81%, compared to May's 77%. For more details on May weather specifically in Calheta, you can visit Calheta weather in May.
September generally offers slightly warmer temperatures compared to June, with minimums around 19°C (66°F) and average highs reaching 25°C (77°F), while June has lower temperatures, with a minimum of 15°C (60°F) and a maximum of 23°C (73°F). Additionally, September experiences less precipitation, averaging 12 mm (0.5 in) over just 2 days, whereas June sees more rain, with 28 mm (1.1 in) falling over 3 days. Humidity levels are quite similar, with September at 81% and June at 80%. For more detailed insights into the weather in June, you can visit Calheta weather in June.
In comparing the weather between September and July, we see that both months have similar minimum temperatures, with September slightly warmer overall, averaging 21°C (71°F) compared to July's average of 20°C (69°F). July generally features slightly higher maximum temperatures, peaking at 26°C (79°F), while September reaches a maximum of 25°C (77°F). Precipitation is notably different; September experiences 12 mm (0.5 in) of rain over 2 days, whereas July is quite dry with only 3 mm (0.1 in) and no rainy days at all. Humidity levels remain comparable, with September at 81% and July slightly higher at 83%. For a closer look at July's climate, you can check out Calheta weather in July.
In comparison to August, September experiences slightly cooler temperatures, with average highs of 25°C (77°F) compared to August's 26°C (79°F). Although the minimum temperatures remain the same at 19°C (66°F) for both months, September has a marginally lower average temperature of 21°C (71°F). Precipitation also sees an increase in September, with 12 mm (0.5 in) over two days, whereas August records only 3 mm (0.1 in) with no rainy days at all, contributing to a slightly drier August. Humidity levels are relatively similar, with September at 81% and August at 83%. For more detailed weather information, you can check Calheta weather in August.
In September, temperatures are generally warmer, with a minimum of 19°C (66°F) and an average of 21°C (71°F), while October sees slightly cooler temperatures, with a minimum of 17°C (62°F) and an average of 20°C (69°F). Both months experience a maximum temperature of 25°C (77°F), but October is notably wetter, with 42 mm (1.7 in) of precipitation over 6 days compared to just 12 mm (0.5 in) over 2 days in September. Humidity remains relatively similar, at 81% in September and 80% in October. For a more detailed look at the October weather, you can visit Calheta weather in October.
September typically enjoys warmer temperatures compared to November, with average highs around 25°C (77°F) compared to November's 24°C (75°F). However, September is not only warmer but also drier, experiencing only 12 mm of precipitation over just 2 days, whereas November sees a significant increase in rainfall, totaling 72 mm over 10 days. Humidity levels are slightly higher in September at 81%, as opposed to 75% in November. This seasonal shift reflects a transition from the warmth and relative dryness of early autumn to the cooler and wetter conditions of late fall. For more details on November weather, you can explore Calheta weather in November.
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) and an average of 21°C (71°F). The month experiences relatively low precipitation, averaging just 12 mm (0.5 in) over two days, coupled with high humidity at 81%. In contrast, December brings cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 21°C (70°F), averaging 17°C (63°F). This month is notably wetter, with approximately 77 mm (3.0 in) of rain spread over eight days, while humidity decreases slightly to 75%. For more detailed information on December weather patterns, you can check Calheta weather in December.
As September unfolds in Calheta, visitors are greeted with pleasant temperatures that hover around a comfortable average of 21°C (71°F). This month stands out with its minimal rainfall, averaging just 12 mm over two days, making it one of the driest times of the year. Unlike the sweltering summer months, the humidity remains elevated at 81%, adding a hint of warmth but ensuring the air feels fresh and invigorating. Overall, September offers a comfortable transition into autumn, perfect for exploration and outdoor pursuits. For more detailed insights on seasonal patterns, visit Calheta Climate.