Last updated: February 24, 2025
Arrifana in September boasts a delightful climate, with maximum temperatures soaring to 34°C (93°F) and an average of 20°C (68°F) that invites outdoor exploration. The weather is pleasantly warm, but cooler nights can drop to a refreshing 10°C (50°F). Precipitation is relatively light, with 45 mm (1.8 in) spread across just 6 days, allowing plenty of sunshine to intermingle with occasional rain. The humidity levels hover around 71%, creating a perfect balance for beachgoers and nature enthusiasts alike, promising an enjoyable experience in this picturesque Portuguese destination.
In September, Arrifana basks in a transitional warmth that hints at the approaching autumn, with temperatures ranging from a cozy 10°C (50°F) at night to a delightful 34°C (93°F) during the day. The average temperature settles around 20°C (68°F), making it an ideal time for outdoor adventures as the summer crowds ease. This month marks a subtle shift from the peak heat of August, where temperatures soared to 36°C (98°F), to a more comfortable climate that welcomes both sun-seekers and those yearning for a breezy escape. As days grow shorter, September's weather still provides ample opportunity for beach outings and exploration of Arrifana's stunning coastal scenery.
As summer transitions to autumn, September in Arrifana, Portugal, experiences a notable uptick in precipitation, with rainfall reaching 45 mm (1.8 in) over the course of 6 days. While this marks an increase from the driest months of July and August, which saw just 24 mm (1.0 in) and 19 mm (0.7 in) respectively, it still remains lower than the substantial downpours of the later months. This September pattern hints at the onset of a wetter season, setting the stage for the more substantial rainfalls that follow in October and November. As the landscape begins to shift, the balance of sunshine and showers brings a refreshing vibrancy to the region, preparing it for the lush greenery of autumn.
In Arrifana, Portugal, September marks a subtle transition in humidity as the summer heat begins to wane. With an average humidity of 71%, it reflects a moderate dip from the peak summer months of July and August, which hover around 63% and 64%, respectively. This slight increase from the drier summer months signals the arrival of autumn, as autumnal conditions start to take over. The humidity level rises again in October to 79%, indicating the transition towards the wetter winter season, but remains comfortably below the winter months' averages, which soar back to the high 80s by November and December. Thus, September offers a refreshing balance, making it an attractive time for visitors to experience the scenic beauty of Arrifana without the discomfort of high humidity.
In September, Arrifana experiences a UV Index of 8, placing it in the very high exposure category, where the sun's intensity is still quite strong as summer begins to wane. This level signifies a slight decrease from the peak values observed in July and August, but caution remains essential, as unprotected skin can burn in as little as 15 minutes. The trend throughout the year reveals a progression from low UV exposure in winter to extreme conditions in high summer, with September offering a transitional period. As autumn approaches, sun worshippers should take note of the lingering intensity and protect themselves accordingly. For more detailed information, visit the Arrifana UV Index.
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September in Arrifana, Portugal, is a delightful transition from the sun-drenched heights of summer to the gentle embrace of autumn. With 346 hours of sunshine, it marks a splendid conclusion to the warmer months, just below July's peak of 427 hours. The sun-soaked days of June and July gradually give way to a more moderate brightness as the year progresses, evidenced by the dramatic increase from January's mere 159 hours. This pattern reveals that while September still basks in ample sunlight, it's beginning to hint at the cozy, cooler days ahead, making it an idyllic time for both relaxation and exploration along the stunning Algarve coast.
In Arrifana, Portugal, the likelihood of sunny weather in September stands at 42%, revealing a modest drop from the peaks experienced during the summer months, particularly in August with a sunny rate of 65%. This slight decrease marks a transition as summer wanes, but it still outshines the sun chances in some earlier months, such as April and May. As autumn approaches, while the days may not be as consistently bright, September retains a respectable potential for sun, making it a lovely time for visitors hoping to bask in the last warmth of summer before the cooler days set in.
As summer transitions into autumn, September in Arrifana, Portugal, experiences a gentle tapering of daylight, offering about 12 hours of sun each day. This marks a notable shift from the peak of 15 hours in June, reflecting a gradual decrease that began in August. The trend showcases a balanced daylight duration throughout the spring and summer months, with increasing light from January's 9 hours to May's peak of 14. However, just as summer wanes, the daylight hours begin to shorten again, leading into the cooler months of October and November, each dropping back to 11 and 9 hours respectively. This rhythmic cycle not only signals the change in seasons but also invites visitors to enjoy the golden hues of early autumn days in this picturesque coastal town.
As summer transitions into autumn, September's wind in Arrifana, Portugal, continues the gentle breeze pattern established in the warmer months. With an average speed of 2.8 m/s (6 mph), September's winds are reminiscent of August’s calmness, maintaining a relaxed atmosphere for both locals and visitors. Notably, this month marks a slight uptick from the previous month's low, hinting at a subtle shift as the seasons change. Compared to earlier months, this consistent wind speed offers a serene backdrop for outdoor activities while fostering the ideal conditions for surfers and beachgoers alike. With the winds gradually picking up in the ensuing months, September serves as a gentle reminder of the refreshing breezes to come.
The weather in Arrifana 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 Arrifana and find detailed weather information for every month.
September and January present contrasting weather patterns. In September, temperatures can range from a mild 10°C (50°F) at night to a warm 34°C (93°F) during the day, with an average of 20°C (68°F). The month experiences moderate rainfall of 45 mm (1.8 in) over about 6 days, accompanied by a humidity level of 71%. In stark contrast, January sees much cooler temperatures, with nighttime lows dropping to -1°C (31°F) and daytime highs reaching only 21°C (69°F), averaging around 9°C (48°F). The month is significantly wetter, accumulating 90 mm (3.5 in) of precipitation across approximately 8 days, and humidity rises to 87%. For more details on January weather patterns, check out Arrifana weather in January.
September typically enjoys a warmer climate, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 34°C (93°F) and an average of 20°C (68°F). In contrast, February is much cooler, with temperatures dipping as low as 0°C (32°F) and reaching a max of 21°C (71°F), resulting in an average of 11°C (52°F). Additionally, September experiences less precipitation at 45 mm (1.8 in) over about 6 days, compared to February's higher rainfall of 138 mm (5.4 in) across 11 days. The humidity is also slightly higher in February at 81%, compared to 71% in September. For a detailed look at the weather in February, you can visit Arrifana weather in February.
In comparing the weather of September and March, we notice significant differences in temperature and precipitation. September boasts a much warmer climate with average temperatures reaching 20°C (68°F) and highs up to 34°C (93°F), while March presents cooler conditions, averaging only 12°C (53°F) and peaking at 26°C (79°F). Moreover, March experiences a notably higher precipitation level of 144 mm (5.7 in) over 12 days, compared to September's 45 mm (1.8 in) across just 6 days. Additionally, March is characterized by slightly higher humidity at 78% compared to September's 71%. For a detailed look at the weather patterns during this time, you can visit Arrifana weather in March.
September and April exhibit contrasting weather patterns. September boasts warmer temperatures, with a minimum of 10°C and an average of 20°C, peaking at 34°C, while April features cooler conditions, starting at 4°C and averaging 14°C, with a maximum of 27°C. Additionally, April is significantly wetter, receiving 154 mm of precipitation over 14 days compared to September's 45 mm over just 6 days. The humidity is slightly higher in April at 79%, compared to September's 71%. For more specific details about April weather, you can visit Arrifana weather in April.
In comparing the weather of September and May, we find significant differences in temperature and precipitation. September enjoys warmer temperatures, with a minimum of 10°C and an average of 20°C, reaching highs of 34°C. In contrast, May features cooler conditions, with minimum temperatures around 6°C and an average of 17°C, peaking at 30°C. When it comes to precipitation, May is far wetter, receiving 84 mm over 10 days, while September has only 45 mm spread across 6 days. Additionally, May experiences slightly higher humidity levels at 78%, compared to September's 71%. For more detailed insights on May weather, you can check Arrifana weather in May.
In comparing the weather between September and June, we see a notable drop in average temperatures from June to September. September enjoys a higher average temperature of 20°C (68°F) compared to June's 18°C (65°F), with maximum highs also slightly elevated at 34°C (93°F) versus June’s 32°C (90°F). However, September is slightly drier with 45 mm (1.8 in) of precipitation over about 6 days, while June experiences 55 mm (2.1 in) of rain across 10 days. Both months maintain a consistent humidity level of 71%. For more detailed insight into the June weather, you can check Arrifana weather in June.
In July, the weather is generally warm with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 35°C (95°F), yielding an average temperature of 20°C (69°F). It experiences minimal precipitation, totaling just 24 mm (1.0 in) over about three days, and has a relatively low humidity level of 63%. By contrast, September sees slightly cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 34°C (93°F), but maintains the same average temperature of 20°C (68°F) as July. However, September is characterized by more rainfall, with about 45 mm (1.8 in) falling over six days, and a higher humidity level at 71%. For more details on July weather, you can refer to Arrifana weather in July.
In comparing the weather of September to that of August, we notice a slight cooling trend. September boasts a temperature range with a minimum of 10°C (50°F) and a maximum of 34°C (93°F), averaging around 20°C (68°F). In contrast, August typically sees a marginally higher minimum of 11°C (52°F) and a maximum of 36°C (98°F), with an average temperature of 21°C (69°F). Precipitation is more frequent in September, with 45 mm (1.8 in) recorded over 6 days, compared to August's 19 mm (0.7 in) over just 3 days. Moreover, September exhibits higher humidity levels at 71%, while August remains slightly lower at 64%. For more detailed insights, you can check out Arrifana weather in August.
September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 34°C (93°F), with an average of 20°C (68°F) and relatively low precipitation of 45 mm (1.8 in) over about 6 days. The humidity sits at 71%, creating a warm, somewhat muggy atmosphere. In contrast, October sees a drop in average temperature to 16°C (62°F), with minimums reaching 5°C (41°F) and maximums peaking at 32°C (89°F). Precipitation increases significantly to 120 mm (4.7 in) across 10 days, and the humidity rises to 79%, indicating a wetter and cooler month. For more details on October weather, visit Arrifana weather in October.
September weather typically features warmer temperatures, with an average of 20°C (68°F) and highs reaching up to 34°C (93°F). In contrast, November sees a significant drop in temperature, with an average of 12°C (54°F) and maximums only hitting 21°C (71°F). Additionally, November is noticeably wetter, with 164 mm (6.5 in) of precipitation over 13 days, compared to September’s 45 mm (1.8 in) over just 6 days. Humidity also rises in November, reaching 86%, compared to 71% in September. If you're interested in the specific weather patterns for Arrifana, you can find more details here: Arrifana weather in November.
September and December present contrasting weather patterns. In September, temperatures range from a comfortable minimum of 10°C (50°F) to a warm maximum of 34°C (93°F), averaging around 20°C (68°F). This month sees relatively low precipitation of 45 mm (1.8 in) over just six days, with humidity levels at 71%. In stark contrast, December brings cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 19°C (66°F), resulting in an average of 11°C (51°F). Precipitation significantly increases to 194 mm (7.6 in) spread over 14 days, and humidity rises to 87%. For more details about December weather, check out Arrifana weather in December.
As September unfolds in Arrifana, the weather takes on a unique character compared to the scorching summer months. While the lingering warmth is still felt with average temperatures around a pleasant 20°C (68°F), the peak heat starts to retreat from the previous highs, making outdoor activities more enjoyable. Increased humidity levels at 71% add a touch of tropical feel, but the occasional rain—about 45 mm over 6 days—provides a refreshing contrast to the dry summer. This transitional month heralds the onset of autumn, bringing a balance of warmth and cooler breezes that invites exploration of the stunning coastal landscape. For more insights, check out the detailed weather patterns at Arrifana Climate.