Last updated: February 24, 2025
In September, Queluz, Portugal experiences a delightful transition into autumn, with average temperatures around 20°C (68°F), peaking at 29°C (84°F) on warmer days and dipping to a comfortable 14°C (58°F) at night. This month sees minimal precipitation, totaling just 27 mm (1.1 in) over approximately 2 days, allowing visitors to enjoy mostly clear skies. With a humidity level of 67%, the air retains a pleasant warmth, making September an ideal time for outdoor activities and exploration in this charming locale.
As summer wanes, September in Queluz, Portugal offers a delightful transition into autumn, marked by warm and pleasant temperatures. With daily highs reaching 29°C (84°F), the month maintains a mild climate, perfect for outdoor activities and exploring the charming streets of the city. Nighttime brings a gentle coolness, dropping to 14°C (58°F), creating a comfortable atmosphere for evening strolls. Although the average temperature hovers around 20°C (68°F), it's a noticeable shift from the sweltering heat of August, hinting at the cooler days of fall ahead. This combination of warmth and crispness makes September an ideal time for visitors to soak in the vibrant culture and natural beauty of Queluz.
In September, Queluz, Portugal experiences a notable shift in precipitation, with 27 mm (1.1 in) of rainfall spread over just 2 days. This increase marks a transition from the arid summer months of July and August, which recorded a mere 5 mm and 3 mm respectively, as the region begins to prepare for the wetter autumn ahead. While September’s precipitation is considerably lower than the significant downpours typical of the later months, such as November with 80 mm (3.2 in), it still signifies the end of the dry season and sets the stage for the rainy days to come. This gradual return to moisture not only revitalizes the landscape but also influences local temperature and humidity patterns, heralding the arrival of a more dynamic weather period.
In Queluz, Portugal, September marks a subtle shift in humidity levels, with a reading of 67%—a noticeable increase from the drier summer months of June and July, which hovered around 60%. This rise heralds the transition towards autumn, aligning with a gradual uptick observed in the later months of the year. Following September, humidity levels climb to 74% in October and reach 83% in November, suggesting a consistent pattern of increasing moisture as the seasons change. Despite being lower than the winter months, September's humidity retains a refreshing quality, making it an inviting time to experience the beauty of Queluz in its pre-autumn splendor.
In September, Queluz, Portugal experiences a UV Index of 8, categorized as very high, with a burn time of just 15 minutes. As the summer draws to a close, the UV Index shows a slight decline from the extreme highs of June and July, yet remains significantly elevated. This trend highlights the importance of sun safety even as autumn approaches. The month serves as a reminder for sun lovers to stay vigilant, applying sunscreen and seeking shade during peak hours. For an in-depth look at the UV levels throughout the year, visit Queluz UV Index.
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As summer gracefully transitions into autumn, September in Queluz, Portugal offers a splendid 350 hours of sunshine, marking a notable dip from the sun-soaked peak of July. This month's radiant days still resonate with the warmth of summer, following a series of steadily increasing sunshine hours that peaked in July with 423 hours. While September welcomes the soft embrace of fall, it still outshines the earlier months, showcasing a delightful blend of lingering summer light and the onset of seasonal change. As the days shorten and the golden hues of autumn begin to emerge, visitors can relish in the vibrant atmosphere that Queluz provides, where the tail end of summer and the early whispers of fall coalesce beautifully.
As summer transitions into autumn, September in Queluz, Portugal, offers a delightful balance of sun-drenched days and refreshing evenings. With a 63% chance of sunny weather, this month continues the trend of abundant sunshine that peaks in the height of summer, when the chance of sun reaches a high of 73% in July and 72% in August. Although September marks a slight dip compared to its predecessors, it remains significantly sunnier than the earlier months of the year, such as January's 46% and April's 39%. This promising probability makes September an inviting time for outdoor activities and enjoying the lingering warmth of summer before the cooler October days arrive.
As September arrives in Queluz, Portugal, the days begin to subtly shorten, with daylight lasting approximately 12 hours. This marks a gentle transition from the sun-drenched summer months of June through August, when daylight peaked at a consistent 14 hours. The gradual decline in daylight, starting from April's 13 hours to September's 12 hours, signals the approach of autumn, creating a cozy atmosphere as the vibrant hues of falling leaves start to dominate the landscape. With October following closely, promising just 11 hours of daylight, the rhythm of nature shifts, inviting residents and visitors alike to savor the beauty of the changing season.
In Queluz, Portugal, September marks a gentle transition into autumn, with an average wind speed of 4.2 m/s (9 mph)—a noticeable dip from the lively summer months. Throughout the year, wind speeds typically peak during July and August, reaching up to 5.7 m/s (13 mph), creating a vibrant atmosphere ideal for outdoor activities. However, as September arrives, the winds soften, mirroring the slow cooling of the season. This calming breeze not only invites a more relaxed outdoor experience but also hints at the approaching changes of fall. In comparison, the wind speeds gradually stabilize as autumn progresses, suggesting a trend towards quieter days ahead.
The weather in Queluz 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 Queluz and find detailed weather information for every month.
In September, temperatures in Queluz are much warmer, with a minimum of 14°C (58°F) and an average of 20°C (68°F), peaking at a maximum of 29°C (84°F). The weather is relatively dry, experiencing only 27 mm (1.1 in) of precipitation over just 2 days, accompanied by a moderate humidity level of 67%. In contrast, January brings cooler temperatures, with a minimum of 3°C (38°F) and an average temperature of 12°C (53°F), reaching a maximum of 19°C (66°F). This month sees increased precipitation, totaling 37 mm (1.5 in) over 5 days, and a higher humidity level of 85%. For more detailed information about January weather, you can visit Queluz weather in January.
In September, the weather tends to be warmer with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 29°C (84°F), while experiencing relatively low precipitation of only 27 mm (1.1 in) over just 2 days. In contrast, February sees cooler temperatures, with averages from a minimum of 5°C (41°F) to a maximum of 21°C (70°F). This month is also wetter, receiving 53 mm (2.1 in) of rain over 7 days, and it has slightly higher humidity at 75%. For more detailed information on February weather, visit Queluz weather in February.
When comparing the weather in September and March, a noticeable difference in temperatures and precipitation patterns emerges. September enjoys milder conditions, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 29°C (84°F), while March is cooler, featuring temperatures that range from a minimum of 7°C (45°F) to a maximum of 23°C (73°F). Although September has lower overall precipitation, averaging only 27 mm (1.1 in) over about 2 days, March experiences significantly higher rainfall, with 66 mm (2.6 in) occurring over about 8 days. Humidity levels are relatively similar in both months, with September at 67% and March slightly higher at 72%. For more detailed information on March weather, you can visit Queluz weather in March.
When comparing the weather in September and April, distinct differences emerge. September boasts milder temperatures, with an average of 20°C (68°F), ranging from a minimum of 14°C (58°F) to a maximum of 29°C (84°F). In contrast, April's temperatures are cooler, averaging 15°C (59°F), with a minimum of 8°C (46°F) and a maximum of 24°C (75°F). Precipitation levels also vary significantly; September experiences only 27 mm (1.1 in) over just 2 days, while April sees a higher total of 73 mm (2.9 in) across 12 days, indicating a wetter month. Humidity levels remain fairly consistent, with September at 67% and April slightly higher at 70%. For more detailed information on April weather, you can visit Queluz weather in April.
When comparing the weather in September and May, we notice that September tends to be warmer, with an average temperature of 20°C (68°F) compared to May's 17°C (63°F). However, May experiences slightly more rainfall, with 36 mm (1.4 in) over 4 days, while September sees only 27 mm (1.1 in) across just 2 days. Humidity levels are comparable in both months, with September at 67% and May at 70%. For those interested in a detailed overview of May weather, you can visit Queluz weather in May.
In comparing the weather between September and June, September generally presents slightly warmer conditions with average temperatures reaching 20°C (68°F), while June has a lower average of 18°C (66°F). Although June can see a maximum temperature of 32°C (90°F), it is balanced by cooler evenings. Precipitation is more frequent in September, with 27 mm (1.1 in) over just 2 days, compared to June's lighter rain of 11 mm (0.4 in) spread over 3 days. Humidity levels are fairly similar, with September at 67% and June at 63%. For a detailed look at June's weather, you can visit Queluz weather in June.
In comparing the weather between July and September, we can observe some notable differences. July boasts slightly warmer temperatures with a minimum of 15°C (59°F) and a maximum that can reach up to 31°C (87°F). In contrast, September's temperatures range from a mild 14°C (58°F) to a maximum of 29°C (84°F), making it a touch cooler overall. Additionally, July experiences almost no precipitation with only 5 mm (0.2 in) recorded over the month, while September sees a small amount of rain totaling 27 mm (1.1 in), spread over about 2 days. Humidity levels are also lower in July at 60%, compared to September's higher average of 67%. For more detailed information about July conditions, check out Queluz weather in July.
In comparing the weather between September and August, there are notable differences in temperature and precipitation. September experiences a more moderate temperature range, with minimums of 14°C (58°F) and maximums reaching 29°C (84°F). In contrast, August boasts higher temperatures, with minimums of 16°C (61°F) and maximums soaring to 35°C (95°F). Additionally, September sees an increase in precipitation, receiving 27 mm (1.1 in) over two days, while August remains dry with only 3 mm (0.1 in) and no rainy days. Humidity also rises slightly in September, averaging 67%, compared to August's 60%. For a more detailed look at August weather, you can check Queluz weather in August.
September and October showcase a transition in weather patterns, with October generally being cooler and wetter. In September, temperatures range from a minimum of 14°C (58°F) to a maximum of 29°C (84°F), averaging around 20°C (68°F) with relatively low precipitation of 27 mm (1.1 in) over just 2 days and humidity at 67%. Conversely, October experiences lower temperatures, with a minimum of 10°C (50°F) and an average of 18°C (65°F), peaking at 28°C (82°F). Rainfall increases significantly to 46 mm (1.8 in), occurring on 5 days, and humidity rises to 74%. For a more detailed look at the weather in October, check out Queluz weather in October.
September typically enjoys warmer temperatures, with average highs reaching 29°C (84°F) and a comfortable humidity level of 67%. In contrast, November cools down significantly, with daily averages peaking at just 23°C (73°F) and experiencing much higher humidity at 83%. Additionally, while September sees only 27 mm (1.1 in) of precipitation over 2 days, November brings a much wetter experience with 80 mm (3.2 in) spread across 11 days. For more detailed insights, you can check Queluz weather in November.
September typically offers a warmer and drier climate compared to December. With temperatures ranging from a mild 14°C (58°F) to a maximum of 29°C (84°F), September averages around 20°C (68°F) and has only 27 mm (1.1 in) of precipitation over 2 days, accompanied by a humidity level of 67%. In contrast, December experiences significantly cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 18°C (65°F), averaging just 13°C (56°F). Additionally, December sees a noticeable increase in precipitation, totaling 62 mm (2.4 in) over 8 days and a higher humidity level of 85%. For more detailed insights about December weather, you can visit Queluz weather in December.
As summer transitions into fall, September weather in Queluz offers a delightful mix of warm days and cooler nights. With average temperatures settling around a pleasant 20°C, it's an inviting month for outdoor activities, yet noticeably less humid than the peak of summer. The slight increase in rainfall compared to the dry summer months brings a refreshing quality to the air without overwhelming the sunshine, making it a great time to explore the lush surroundings. For those curious about how this month stacks up against others in the region, visit Queluz Climate for more insights.