Last updated: February 24, 2025
Experience the enchanting September weather in Alvor, Portugal, where warm temperatures and a gentle atmosphere create the perfect late summer escape. With daily maximums reaching 37°C (98°F) and an inviting average of 22°C (73°F), this coastal gem offers a delightful climate for sun-lovers. Enjoy the refreshing contrast of cooler minimums at 11°C (52°F) during the night, ensuring comfortable evenings. Rain is scarce, with only 8 mm (0.3 in) of precipitation recorded over just one day, allowing ample time to explore the picturesque surroundings. Embrace the 71% humidity that adds a touch of tropical allure as you bask in the vibrant local culture and stunning landscapes.
In September, Alvor, Portugal, enjoys a delightful transition as summer begins to wane. With minimum temperatures around 11°C (52°F) and a comfortable average of 22°C (73°F), the days remain warm without the intensity felt in the peak of summer. As the month progresses, highs can reach up to 37°C (98°F), allowing for plenty of sunny beach days. This warm weather, coupled with the lowering humidity levels, makes September an ideal time to explore the picturesque coastlines and vibrant local culture. After the relentless heat of August, the moderate yet pleasant temperatures create a welcoming atmosphere for travelers keen to experience Alvor’s charm before the fall sets in.
In September, Alvor, Portugal experiences a notable transition in its climatic rhythm, with precipitation amounting to 8 mm (0.3 in) over just one rainy day. This modest rainfall follows the summer months, where August recorded virtually no precipitation. As the region shifts from the dry heat of summer to the cooler autumn months, the slight uptick in precipitation marks the beginning of a new season. Notably, the rainfall in September is part of a gradual rise that continues into October, where precipitation increases to 32 mm (1.2 in), signaling a return to more frequent rain. This trend underscores Alvor's transformation as it prepares for the lush, vibrant months of autumn.
In September, Alvor, Portugal, experiences a pleasant humidity level of 71%, marking a slight increase from the summer months of July and August. Striking a balance with milder temperatures, this rise hints at the transition toward autumn. Throughout the year, humidity levels trend downward from a high of 80% in January to their lowest in June at 67%. As the seasons shift, September serves as a gentle reminder of the approaching rainy months, with October and November beckoning with higher humidity readings of 75% and 78%, respectively. The overall trend reveals a seasonal rhythm, allowing visitors and residents alike to appreciate the shift in atmosphere as summer gives way to fall.
As September rolls into Alvor, Portugal, the UV Index gradually begins to taper off from the extreme levels of the summer months, yet it still maintains a striking 9, categorized as very high with a burn time of just 15 minutes. This reflects a trend of decreasing sun intensity as the season shifts, following a peak of 11 in June and 10 in July and August. Despite the slight decline, it's essential to remain vigilant about sun exposure, as the risks associated with UVA and UVB rays remain significant. For sun-seekers and outdoor enthusiasts, knowledge of the September UV Index is key to enjoying the beautiful surroundings safely. To learn more about UV exposure in this stunning coastal town, visit Alvor UV Index.
UV Risk Categories
In September, Alvor, Portugal, continues to bask in the warm embrace of sunshine, accumulating 351 hours of bright, golden rays. This radiant month marks a slight decrease from the peak sunshine of July, which boasts an impressive 425 hours. However, it remains significantly brighter than the winter months, showcasing a smooth transition from the bustling summer days. With October also promising a healthy 323 hours of sunshine, visitors can still enjoy the tail end of summer, as the vibrant climate offers long days and splendid weather, perfect for exploring this charming coastal town.
In September, the chance of sunny weather in Alvor, Portugal remains promising at 65%, marking a transition from the intense summer sun peak seen in July and August, where the likelihood soared to 87% and 84%, respectively. As the season shifts towards autumn, the warmth continues, allowing for a delightful balance of sun and comfort, particularly when compared to the cooler months ahead. Analyzing the data, we observe a clear trend: the summer months boast the highest probabilities of sunshine, while September offers a sweet spot, combining warmth and moderate sun, ideal for vacationers seeking to embrace the late summer glow before the arrival of fall.
As the summer months give way to fall, September in Alvor, Portugal marks the transition with a pleasant 12 hours of daylight. This tapering from the peak of 14 hours in June through August reflects the gradual shift towards shorter days. While daylight begins to decrease, September still boasts ample sunlight, allowing residents and visitors to enjoy the waning warmth of summer. This month is often characterized by a gentle balance between warm days and cool evenings, making it an ideal time to explore the beautiful landscapes and vibrant culture of Alvor before autumn fully sets in.
As summer fades into autumn, September in Alvor, Portugal ushers in a gentle shift in the average wind speed, which settles at a tranquil 3.2 m/s (7 mph). This marks a slight decline from the summer peak of 4.3 m/s (10 mph) in July, reflecting a more soothing transition as the breezes begin to cool. Notably, the wind patterns of September mirror those of April and October, suggesting a consistent calmness as the region bids farewell to the heat of summer. With these soft winds, Alvor invites both locals and visitors to enjoy the serene beauty of its landscape, making it an ideal time for leisurely strolls along its picturesque shores.
The weather in Alvor 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 Alvor and find detailed weather information for every month.
September and January present strikingly different weather patterns. In September, temperatures range from a mild minimum of 11°C (52°F) to a scorching maximum of 37°C (98°F), with an average of 22°C (73°F) and only minimal precipitation of 8 mm (0.3 in) over just one day. The humidity sits at a comfortable 71%. In contrast, January brings much cooler temperatures, with a minimum of -2°C (29°F) and an average of only 10°C (51°F), peaking at 21°C (70°F). The month sees more precipitation, totaling 24 mm (0.9 in) across three days, coupled with a higher humidity level of 80%. For more details on January weather, check out Alvor weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 11°C (52°F) to a scorching maximum of 37°C (98°F), with an average of 22°C (73°F) and only 8 mm (0.3 in) of precipitation over approximately one day, alongside a humidity level of 71%. In stark contrast, February sees cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 24°C (76°F), averaging 12°C (55°F). This month experiences more significant rainfall, totaling 44 mm (1.7 in) over about five days, while humidity remains similar at 73%. For those curious about the specifics of February weather in Alvor, you can find more information here: Alvor weather in February.
In comparing the weather between September and March, we can see significant differences in temperature and precipitation. September typically enjoys warmer temperatures, with a minimum of 11°C and reaching a high of 37°C, while March is cooler, with temperatures ranging from a minimum of 3°C to a maximum of 27°C. Precipitation also varies greatly; September has only 8 mm over just one day, whereas March sees a substantial increase with 78 mm, spreading across nine days of rainfall. Despite the differences in temperature and precipitation, humidity remains consistent at 71% for both months. For more detailed information on March weather, visit Alvor weather in March.
September's weather is marked by warmer temperatures, with a minimum of 11°C and an average of 22°C, peaking at a scorching 37°C. In contrast, April offers cooler conditions, starting at a minimum of 6°C and averaging 15°C, with a maximum of only 29°C. While September experiences minimal rainfall, with just 8 mm over a single day, April sees significantly more precipitation, totaling 65 mm across 11 days. Despite slightly higher humidity in September (71%) compared to April (69%), both months provide distinct but pleasant climates. For a detailed look at what to expect, check out Alvor weather in April.
September usually offers warmer temperatures than May, with minimums around 11°C (52°F) compared to May's 7°C (45°F). The average temperature in September is also higher at 22°C (73°F), while May averages 19°C (66°F). However, May experiences more rainfall, with 23 mm (0.9 in) of precipitation over four days, compared to just 8 mm (0.3 in) across a single day in September. Both months maintain similar humidity levels, with September at 71% and May slightly lower at 69%. If you're interested in more details about weather patterns, you can check Alvor weather in May.
In September, the weather tends to be slightly warmer than in June, with average temperatures of 22°C (73°F) compared to June's 21°C (69°F). While both months experience minimal precipitation of 8 mm (0.3 in), September typically has just one rainy day, in contrast to June's three. Humidity levels are also a bit higher in September at 71%, compared to June's 67%, making the latter month feel slightly less muggy overall. For a detailed overview of June weather, you can check Alvor weather in June.
In comparing the weather between September and July, we see some notable differences. September tends to have slightly cooler temperatures, with average highs around 22°C (73°F) compared to July's average of 23°C (74°F). However, July features a higher maximum temperature of 39°C (103°F), while September's peak can reach 37°C (98°F). Both months experience low levels of precipitation, with September seeing 8 mm (0.3 in) over one day and July receiving a mere 3 mm (0.1 in) on a similar number of days. Humidity levels are relatively close, with September at 71% and July slightly lower at 69%. For more specific details on July weather, you can check Alvor weather in July.
In comparing the weather between September and August, September exhibits slightly milder temperatures, with a minimum of 11°C (52°F) and an average of 22°C (73°F), whereas August has a higher minimum temperature of 14°C (57°F) and an average of 24°C (75°F). The maximum temperatures also reflect this trend, with September peaking at 37°C (98°F) compared to August’s maximum of 43°C (110°F). Precipitation is minimal in both months, with September receiving 8 mm (0.3 in) over just one day, while August sees virtually no rainfall at only 1 mm (0.0 in) across zero days. Humidity levels are fairly similar, with September at 71% and August slightly lower at 68%. For more details on August weather conditions, you can visit Alvor weather in August.
The weather in September is characterized by warmer temperatures, with a minimum of 11°C (52°F) and an average of 22°C (73°F), peaking at a scorching 37°C (98°F). In contrast, October sees cooler conditions, recording a minimum temperature of 8°C (46°F) and an average temperature of 19°C (67°F), with a maximum of 34°C (93°F). Additionally, October experiences increased precipitation, accumulating 32 mm (1.2 in) over four days, compared to September's 8 mm (0.3 in) over just one day, along with a slight rise in humidity from 71% to 75%. For more specific details on October weather, you can check Alvor weather in October.
September's weather features warmer temperatures, with a minimum of 11°C (52°F) and a maximum reaching 37°C (98°F), making it a much hotter month overall. The average temperature is 22°C (73°F), and with only 8 mm (0.3 in) of precipitation over just one day, the month is generally dry and warm with a humidity level of 71%.
In contrast, November brings cooler conditions, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 25°C (76°F) and an average of 14°C (58°F). The month sees significantly more rainfall, with 49 mm (1.9 in) of precipitation spread over seven days, leading to a higher humidity of 78%. For more detailed information about November weather, visit Alvor weather in November.
In September, the weather is generally warm and dry, with temperatures ranging from a comfortable minimum of 11°C (52°F) to a scorching maximum of 37°C (98°F). The month sees only about 8 mm (0.3 in) of precipitation across just one day, making it ideal for outdoor activities. In contrast, December experiences significantly cooler temperatures, with a minimum of 0°C (33°F) and an average of 12°C (54°F), while the maximum reaches around 22°C (71°F). The precipitation levels rise dramatically to 45 mm (1.8 in) over six days, contributing to the increased humidity of 81%. For more detailed insights on the weather patterns during this time, you can explore Alvor weather in December.
September in Alvor brings a delightful transition from the sizzling summer heat to a more temperate climate. While maximum temperatures can still soar, averaging a comfortable 22°C (73°F), the nights begin to cool, offering a refreshing respite with lows dipping into the low teens. Rain is a rare visitor, with only a slight chance of precipitation. This month strikes a balance between summer’s warmth and the approach of autumn, making it an ideal time for activities under the sun. To explore more about the weather patterns throughout the year, visit Alvor Climate.