Last updated: February 24, 2025
Experience the enchanting September weather in Sete Cidades, Portugal, where the climate is a delightful blend of warmth and comfort. With maximum temperatures reaching 24°C (76°F) and an average of 22°C (71°F), visitors can relish in pleasant afternoons. While evenings cool down to a minimum of 19°C (66°F), the lush landscapes remain vibrant. September also brings some rain, with 66 mm (2.6 in) of precipitation over 12 days, contributing to the region's stunning natural beauty. High humidity levels of 81% create a refreshing atmosphere, perfect for exploring the scenic wonders of this picturesque locale.
As September rolls into Sete Cidades, the island begins to transition into a warm and pleasant atmosphere. With minimum temperatures settling around 19°C (66°F) and averaging a comfortable 22°C (71°F), visitors can enjoy the lingering warmth of summer. The maximum temperatures often reach 24°C (76°F), making this month ideal for outdoor activities and exploration. Compared to the previous months, September offers a subtle shift as it retains warm conditions while hinting at the cooler days of autumn ahead. The temperate weather, paired with stunning landscapes, creates a perfect backdrop for experiencing the natural beauty of this unique destination.
In September, Sete Cidades experiences a notable transition in its weather patterns, receiving an average precipitation of 66 mm (2.6 in) over 12 days. This marks a slight increase from the drier summer months, such as July and August, which recorded only 18 mm (0.7 in) and 49 mm (1.9 in), respectively. September's rainfall prepares the region for the onset of fall, signaling a shift towards the wet season. Comparatively, October is much wetter, with an average of 123 mm (4.8 in), suggesting that the precipitation tends to ramp up significantly as the year progresses. This pattern highlights the dynamic climatic changes in Sete Cidades, where late summer dryness gives way to the lush, rain-soaked scenery of autumn.
September in Sete Cidades, Portugal, showcases a humidity level of 81%, continuing the trend of sustained moisture typical for this coastal region. This month marks a slight dip from the peak humidity experienced during the summer, which ranged between 81% to 83% in July and August. The comfortable humidity levels in September are indicative of the transition into autumn, which brings a gradual decrease to 79% in October and November. Overall, the humidity in Sete Cidades maintains a consistent pattern, allowing for a pleasant climate that remains conducive to outdoor activities and exploration as summer fades into fall.
In September, Sete Cidades experiences a UV Index of 9, categorized as very high, with a burn time of just 15 minutes. This marks a slight decrease from the peak summer months of June to August, where the UV Index consistently reached 10 or 11. As the year transitions towards autumn, the UV levels maintain considerable intensity, reminding residents and visitors alike of the importance of sun protection. Notably, September's UV Index continues to signal caution, similar to the April peak, highlighting the need for awareness as the sun remains potent in the early fall. To explore the UV levels throughout the year, visit Sete Cidades UV Index.
UV Risk Categories
September in Sete Cidades, Portugal, shines bright with approximately 325 hours of sunlight, marking a beautiful transition from the sun-drenched summer months. After basking in the peak of summer with nearly 385 hours of sunlight in July and 365 hours in August, September serves as a gentle reminder that while sunny days begin to dwindle, they still provide a vibrant backdrop for outdoor adventures. As the days grow shorter and the crisp autumn air begins to set in, this month encapsulates the lingering warmth of summer, making it an ideal time to explore the stunning natural landscapes and unique charm that Sete Cidades has to offer. The gradual decline in daylight hours from September to October—with a notable drop to 275 hours—highlights a seasonal shift but ensures plenty of opportunities to soak up the sun before winter descends.
September in Sete Cidades, Portugal, offers a promising chance of sunshine, with a notable 49% likelihood of clear skies. This places September among the sunnier months, just slightly below the peak of summer. As autumn begins to approach, the chances of sun are still robust, making it an excellent time for outdoor activities. Compared to the earlier months of the year, where sunshine is less frequent—hovering around 22% to 34%—September stands out as a transitional month, retaining summer's warmth while hinting at the cooler days ahead. This trend reflects a gradual increase in sunlight as the year progresses, peaking in August before tapering off into the fall months.
As autumn approaches in Sete Cidades, September marks a transition in daylight duration, offering about 12 hours of sunlight each day. This slight decrease follows the peak summer months of June, July, and August, when daylight reached up to 14 hours. The gradual ebb of light reflects the natural shift towards shorter days, as seen in the steady progression from the bright, 14-hour days of summer to 10 hours in November. September serves as a gentle reminder of the changing seasons, bridging the vibrant festivities of summer with the cozy embrace of fall.
As the summer fades into autumn in Sete Cidades, Portugal, the winds shift subtly, with September marked by an average wind speed of 5.4 m/s (12 mph). This gentle breeze signals a transitional period, following the peak summer months of July and August, which enjoyed slightly higher wind speeds around 5.8 m/s and 5.6 m/s, respectively. Interestingly, the wind begins to pick up again in October, rising to 5.9 m/s, hinting at the return of livelier gusts with the onset of fall. Overall, the trend illustrates a gradual decline in wind intensity through the summer months, culminating in a tranquil September that paves the way for a more invigorating fall season.
The weather in Sete Cidades 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 Sete Cidades and find detailed weather information for every month.
In September, the weather tends to be warmer with temperatures ranging from a minimum of 19°C (66°F) to an average of 22°C (71°F) and a maximum of 24°C (76°F), accompanied by a relative humidity of 81%. Rainfall during this month is moderate, with about 66 mm (2.6 in) of precipitation spread over 12 days. In contrast, January brings cooler temperatures, with a minimum of 12°C (53°F), an average of 16°C (61°F), and a maximum of 19°C (66°F). The month is slightly wetter, seeing 77 mm (3.0 in) of precipitation over 14 days, and humidity remains comparable at 82%. For a detailed overview of January weather, you can refer to Sete Cidades weather in January.
When comparing September and February weather, we see notable differences in temperature and precipitation. September enjoys milder temperatures, with a minimum of 19°C (66°F) and an average of 22°C (71°F), while February is cooler, with a minimum of 10°C (50°F) and an average of 15°C (59°F). Precipitation is also higher in February, totaling 111 mm (4.4 in) over 15 days, compared to September's 66 mm (2.6 in) over 12 days. Despite the slight difference in humidity levels—with September at 81% and February at 80%—February tends to feel much cooler overall. For more detailed insights on the February climate, visit Sete Cidades weather in February.
September and March present distinct weather patterns. September boasts milder temperatures, with averages ranging from 19°C (66°F) to a maximum of 24°C (76°F), while March is cooler, with temperatures peaking at 18°C (64°F) and averaging around 15°C (59°F). Both months experience similar precipitation levels at 66 mm (2.6 in) over 12 days, but September offers a slightly lower humidity level of 81% compared to March's 82%. For a more detailed look at the weather conditions in March, you can visit Sete Cidades weather in March.
In comparing the weather of September and April, September tends to be warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 24°C (76°F). In contrast, April is cooler, with average temperatures from a minimum of 11°C (52°F) to a maximum of 18°C (64°F). Both months see significant precipitation, but April receives slightly more, with 88 mm (3.5 in) over 14 days compared to September's 66 mm (2.6 in) over 12 days. Humidity levels remain relatively high in both months, with September at 81% and April slightly higher at 83%. For more detailed insights, you can explore the Sete Cidades weather in April.
In comparing the weather of September and May, September generally boasts warmer temperatures, with a minimum of 19°C (66°F) and an average of 22°C (71°F), while May's temperatures start at a cooler minimum of 12°C (53°F) and average around 17°C (62°F). Despite being slightly warmer, September experiences more stable humidity levels at 81%, similar to May, which also records a humidity of 81%. Precipitation is similar between the two months, with September receiving 66 mm (2.6 in) over 12 days and May slightly higher at 71 mm (2.8 in) over 11 days. For more insights into May weather, you can explore Sete Cidades weather in May.
When comparing the weather in September and June, September generally feels warmer with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 24°C (76°F), as opposed to June's range of 14°C (58°F) to 22°C (72°F). While September has a slightly higher average temperature of 22°C (71°F) compared to June's average of 19°C (66°F), it also experiences more precipitation, with 66 mm (2.6 in) of rain over 12 days, compared to June's 39 mm (1.5 in) over just 6 days. Both months feature high humidity, but September's 81% is a tad lower than June's 82%. For more details, you can check the Sete Cidades weather in June.
In comparing the weather between July and September, both months exhibit relatively mild temperatures, with September slightly warmer. In September, the minimum temperature averages around 19°C (66°F), peaking at 24°C (76°F) with an average of 22°C (71°F). In contrast, July shows a minimum of 18°C (65°F) and an average of 21°C (69°F), reaching a maximum of 23°C (74°F). However, September sees significantly higher precipitation, with 66 mm (2.6 in) over 12 days compared to July's 18 mm (0.7 in) over just 4 days. Humidity levels remain fairly consistent, with September at 81% and July slightly higher at 83%. For those interested in more specific details about July weather, you can find additional information here.
In September, the weather remains largely consistent with August, featuring similar average temperatures of around 22°C (72°F). However, September sees a slight dip in minimum temperatures, dropping from 20°C (68°F) in August to 19°C (66°F). Precipitation increases in September, measuring 66 mm (2.6 in) over 12 days, compared to 49 mm (1.9 in) over just 9 days in August. Despite these differences, humidity remains constant at a comfortable 81% throughout both months. For more details, you can check out the Sete Cidades weather in August.
September typically offers warmer temperatures, with averages around 22°C (71°F), while October sees a slight drop to an average of 20°C (69°F). Despite both months sharing a maximum temperature of 24°C (75°F), October features cooler nights with a minimum of 16°C (60°F), compared to September's milder 19°C (66°F). Precipitation increases in October, reaching 123 mm (4.8 in) over 15 days, compared to September's 66 mm (2.6 in) over 12 days. Humidity levels remain quite similar, with September at 81% and October slightly lower at 79%. For more detailed insights into October weather, you can check out Sete Cidades weather in October.
September and November present a noticeable shift in weather patterns. In September, temperatures are generally warmer, with a minimum of 19°C (66°F) and averages around 22°C (71°F), while November experiences cooler temperatures, with minimums dropping to 12°C (54°F) and an average of 18°C (65°F). Precipitation increases in November, totaling 105 mm (4.2 in) over 15 days compared to September's 66 mm (2.6 in) over 12 days, resulting in a wetter climate as the fall progresses. Humidity levels remain relatively similar, at 81% in September and 79% in November. For more insights into the November weather specifics, you can check Sete Cidades weather in November.
In September, the weather is generally warmer, with average temperatures ranging between 19°C (66°F) and 24°C (76°F), and relatively lower precipitation of 66 mm (2.6 in) over 12 days. In contrast, December brings cooler temperatures, with averages between 12°C (53°F) and a maximum of 20°C (68°F), along with increased rainfall of 141 mm (5.6 in) spread over 15 days. The humidity in both months is quite high, at 81% in September and slightly higher at 84% in December. For a more detailed look at December weather, you can visit Sete Cidades weather in December.
As September unfolds in Sete Cidades, the weather offers a delightful transition from the warmer summer months to the cooler embrace of autumn. The temperatures remain mild, hovering comfortably around the low twenties Celsius, making it an ideal time for outdoor activities. However, this month also signals an uptick in precipitation, with rain gracing about half of the month, contributing to the lush greenery of the Azores. The humidity levels are higher, around 81%, fostering a vibrant atmosphere often accompanied by mist. Overall, September presents a unique charm that sets it apart from the preceding summer, blending warmth and refreshment perfectly. For more detailed information on what to expect throughout the year, visit Sete Cidades Climate.