Last updated: February 24, 2025
September in Foz do Arelho, Portugal offers a delightful mix of warm temperatures and refreshing breezes. With maximum highs reaching 30°C (86°F) and an average of 19°C (67°F), visitors can enjoy a comfortably pleasant climate. Nights cool down to a minimum of 14°C (58°F), providing a perfect backdrop for evening strolls. Throughout the month, 24 mm of precipitation falls over just 3 days, translating to plenty of sunshine and ideal conditions for outdoor activities. With humidity at 67%, the weather strikes a balance that keeps the atmosphere inviting, making September an excellent time to explore this coastal gem.
As summer gradually fades in Foz do Arelho, Portugal, September welcomes a gentle transition with temperatures that remain comfortably warm. With a minimum of 14°C (58°F) and a maximum reaching 30°C (86°F), this month strikes a perfect balance, making it ideal for beachgoers and outdoor enthusiasts. The average temperature hovers around 19°C (67°F), presenting a pleasant retreat from the July and August heat, while still maintaining the invitation to enjoy the sun. As autumn approaches, the weather invites visitors to relish in outdoor activities, basking in the warmth before cooler days set in, making September a delightful encore to the summer season.
September in Foz do Arelho marks a transition from summer dryness to the onset of the rainy season, recording 24 mm (1.0 in) of precipitation over just 3 days. This amount is notably higher than the preceding months of July and August, which saw minimal rainfall, with only 12 mm (0.5 in) and 7 mm (0.3 in) respectively. The shift indicates a gradual return to more typical autumn weather patterns. As the month progresses, anticipation builds for the significant increases in precipitation expected in October and November, underscoring September as a pivotal period of change in the region’s climate.
As summer bids farewell in September, Foz do Arelho experiences a notable shift in humidity, dropping to 67%—a contrast to the more arid conditions of 60% seen in the preceding months of July and August. This transition signals a gradual return to a more humid climate, as autumn approaches. The month stands as a bridge between the dry warmth of summer and the increased moisture of fall, showcasing Foz do Arelho's unique climate rhythm. Following September, humidity levels rise again, reaching 74% in October, setting the stage for the wetter months ahead.
As summer fades in Foz do Arelho, September showcases a UV Index of 8, falling into the very high exposure category. This indicates a slight decrease from the peak of June when the index reached an extreme 11. Despite the lower index, with a burn time of only 15 minutes, sun protection remains essential for those enjoying the beach or outdoor activities. Overall, the UV Index trends downward from the extreme summer months, yet it still demands attention to avoid skin damage during this transitional period. For more information on UV levels throughout the year, visit Foz do Arelho UV Index.
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September in Foz do Arelho, Portugal, shines with an impressive 347 hours of sunshine, making it a delightful continuation of the summer vibes. As the year transitions from the peak of July's 418 hours and August's 393 hours, September still benefits from a generous sun exposure, proving to be a perfect time for beach outings and outdoor adventures. This month showcases the region's gradual shift towards autumn, yet it retains a warm charm that lingers longer than in the preceding months like October, which offers 310 hours. With its notably high sunshine hours, September finds a sweet spot that entices both locals and travelers alike, ensuring that the beauty of Foz do Arelho is enjoyed before the cooler season sets in.
In Foz do Arelho, Portugal, September shines with a 56% chance of sunny weather, making it one of the more favorable months for sun-seekers. Following the warm summer months of July and August, which boast chances of 61% and 64% respectively, September continues this trend of pleasant weather. Although the likelihood of sunshine dips slightly compared to summer, it still surpasses the averages seen earlier in the year, particularly those in February (24%) and April (36%). With a robust chance of clear skies, September is an ideal time to enjoy the last bursts of summer warmth before the transition to autumn.
As summer slips into autumn in Foz do Arelho, Portugal, September enjoys a delightful 12 hours of daylight, marking a gradual transition from the prolonged sunlit days of June, July, and August, which basked in 14 hours of brightness. This month serves as a bridge, softly tapering from the peak summer glow while still offering abundant daylight for outdoor activities. In the earlier months, the days steadily lengthen from 9 hours in January to a seasonal high in May, before descending back to 11 hours in October. As September unfolds, the lingering warmth is accompanied by shorter days, inviting both reflection and appreciation for the last rays of summer before the longer nights of autumn settle in.
In September, Foz do Arelho experiences a gentle decline in wind speed, averaging 4.7 m/s (10 mph), which is notably calmer than the summer months. This marks a transition from the consistent 5.8 m/s (13 mph) of July and August, offering a refreshing change as the peak tourist season begins to wind down. The month acts as a bridge, where the breezy vigor of summer gradually gives way to the mildness of autumn, creating an inviting atmosphere for those seeking a quieter seaside experience. As the winds soften, the stunning landscapes and tranquil waters invite leisurely walks and peaceful moments, making September a delightful time in this picturesque coastal town.
The weather in Foz do Arelho 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 Foz do Arelho and find detailed weather information for every month.
In September, the weather is generally warm and pleasant, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 30°C (86°F), averaging around 19°C (67°F). The month sees relatively low precipitation at 24 mm (1.0 in) over just 3 days, and humidity levels are moderate at 67%. In contrast, January brings cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 19°C (67°F), averaging only 12°C (54°F). Precipitation is more frequent during this month, totaling 50 mm (2.0 in) over 7 days, and the humidity rises to 85%. For more specifics on January weather in Foz do Arelho, visit Foz do Arelho weather in January.
In September, the weather is generally warmer and drier, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 30°C (86°F) and an average of 19°C (67°F). This month experience only 24 mm (1.0 in) of precipitation over about 3 days, making it a perfect time for outdoor activities. In contrast, February is cooler and wetter, with temperatures averaging 13°C (56°F) and ranging from a minimum of 6°C (43°F) to a maximum of 21°C (70°F). It also sees significantly more rainfall, with 55 mm (2.1 in) over approximately 8 days and higher humidity at 75%. For a more detailed overview of February's weather, check out Foz do Arelho weather in February.
In September, the weather in Foz do Arelho is generally warmer, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 30°C (86°F). The month sees relatively low precipitation, totaling 24 mm (1.0 in) over just three days, and a humidity level of 67%. In contrast, March experiences cooler conditions, with average temperatures ranging from 7°C (45°F) to 25°C (77°F). It also tends to be wetter, receiving 73 mm (2.9 in) of rain spread over nine days, along with a slightly higher humidity of 72%. For more specific details, you can check Foz do Arelho weather in March.
When comparing the weather in September and April, notable differences emerge. September typically enjoys warmer temperatures, with minimums around 14°C (58°F) and maximums reaching up to 30°C (86°F), while April sees cooler weather with minimums of 8°C (47°F) and maximums of 25°C (77°F). Precipitation also varies significantly; September experiences only 24 mm (1.0 in) over 3 days, whereas April is much wetter with 80 mm (3.1 in) spread over 12 days. Humidity levels are relatively similar, hovering around 67% in September and slightly higher at 70% in April. For more details on April conditions, check out Foz do Arelho weather in April.
When comparing the weather in September and May, it’s clear that both months experience similar maximum temperatures, with highs reaching around 30°C (86°F in September and 87°F in May). However, September tends to be warmer on average, with temperatures peaking at 19°C (67°F) compared to May's average of 17°C (63°F). In terms of precipitation, May is wetter, receiving 39 mm (1.5 in) over 6 days, while September sees significantly less rain, with only 24 mm (1.0 in) over 3 days. Humidity levels are similar, sitting at 67% in September and slightly higher at 70% in May. For more detailed weather insights, you can check Foz do Arelho weather in May.
In comparing the weather of September and June, both months feature similar average temperatures, with September typically experiencing slightly warmer conditions. September's minimum temperature averages around 14°C (58°F), compared to June's 13°C (56°F), while the maximum in September reaches up to 30°C (86°F), just edging out June's 29°C (85°F). Both months see equal precipitation of 24 mm (1.0 in), but the rain is more spread out in June, occurring over 7 days, compared to just 3 days in September. Additionally, September has a slightly higher humidity level at 67%, whereas June's humidity sits at 63%. For more detailed insights into the climate during this time, you can check Foz do Arelho weather in June.
When comparing the weather in September to that in July, we see some interesting similarities and differences. Both months have relatively mild average temperatures, with September experiencing a minimum of 14°C (58°F) and a maximum of 30°C (86°F), while July's temperatures range from a minimum of 15°C (59°F) to a maximum of 31°C (87°F). However, September tends to be slightly more humid, with an average humidity of 67% compared to July's 60%. Precipitation also varies, as September receives a total of 24 mm (1.0 in) over three days, whereas July sees less rain, with only 12 mm (0.5 in) over two days. For more detailed insights into July's weather, you can visit Foz do Arelho weather in July.
In comparing the weather of September to that of August, September experiences slightly cooler temperatures, with minimums averaging 14°C (58°F) and maximums reaching 30°C (86°F), compared to August's minimum of 16°C (61°F) and maximum of 31°C (89°F). Additionally, September has a higher average humidity at 67% versus August's 60%, contributing to a feel of increased mugginess. Precipitation also rises in September, with 24 mm (1.0 in) over 3 days, in contrast to August's drier conditions, which see only 7 mm (0.3 in) over just 1 day. For a closer look at August's weather patterns, you can check out Foz do Arelho weather in August.
In September, the weather typically features a milder range of temperatures, with a minimum of 14°C (58°F) and an average of 19°C (67°F), while still enjoying some warm days reaching up to 30°C (86°F). The month sees relatively low precipitation at 24 mm (1.0 in) over just 3 days, accompanied by a humidity level of 67%. In contrast, October experiences a notable drop in minimum temperatures, averaging 9°C (49°F), although the maximum remains the same at 30°C (86°F). However, October brings significantly higher precipitation, measured at 69 mm (2.7 in) over 8 days, and an increase in humidity to 74%. Overall, October presents a transition into a cooler and wetter climate compared to the gentler late summer ambiance of September. For more details, check Foz do Arelho weather in October.
September typically features warmer temperatures, with averages around 19°C (67°F) and a maximum reaching up to 30°C (86°F). In contrast, November sees a noticeable drop, with average temperatures of 15°C (59°F) and a maximum of 23°C (73°F). While September enjoys relatively low precipitation at 24 mm (1.0 in) over just 3 days, November has substantially higher rainfall, totaling 91 mm (3.6 in) across 13 days, resulting in increased humidity levels of 83% compared to September's 67%. For more detailed insights on the November weather, you can check out Foz do Arelho weather in November.
In September, the weather is typically much warmer, with average temperatures around 19°C (67°F) and highs reaching up to 30°C (86°F), creating a pleasant environment for outdoor activities. The month sees relatively low precipitation, averaging just 24 mm (1.0 in) over about 3 days, and a humidity level of 67%. In contrast, December brings cooler temperatures, with an average of 13°C (56°F) and maximums only reaching 18°C (65°F). The month is considerably wetter, with 73 mm (2.9 in) of rainfall spread over approximately 11 days, and higher humidity at 85%. For a more detailed look at the December weather, you can visit Foz do Arelho weather in December.
September in Foz do Arelho offers a delightful transition from the warmth of summer to the cooler embrace of autumn. With maximum temperatures reaching a pleasant 30°C, the month showcases plenty of sun, yet it also brings moderate humidity at 67% and minimal rainfall, averaging just 24 mm over about three days. This combination makes for a comfortable climate, ideal for enjoying the stunning coastal scenery. Unlike the heat of July and August, September provides a more temperate experience while still offering plenty of warmth and sunshine. For more detailed insights on the overall weather patterns, explore Foz do Arelho Climate.