Last updated: February 24, 2025
In Monsanto, Portugal, September brings a delightful mix of warm days and cooler nights, with temperatures soaring to a maximum of 38°C (100°F) while averaging around 20°C (69°F). As the month progresses, residents can expect refreshing evenings, with temperatures dipping to a comfortable minimum of 10°C (50°F). Rain makes an occasional appearance, contributing about 35 mm (1.4 in) of precipitation over 4 days, adding a refreshing touch to the landscape. With a humidity level of 67%, September in Monsanto offers an ideal blend of warmth and slight moisture, making it an engaging time for both locals and visitors.
In Monsanto, Portugal, September marks the transition into milder autumn weather while still retaining a hint of summer’s warmth. The temperatures start to cool slightly, with minimums around 10°C (50°F) and average highs reaching 38°C (100°F), showcasing a significant drop from the sweltering heights of August. As the month progresses, the balance of warm days and cooler nights creates a comfortable atmosphere perfect for outdoor activities. The overall average temperature of 20°C (69°F) reflects this harmonious blend, making September a delightful time to experience the scenic beauty of Monsanto without the oppressive heat of summer. Despite the warming trend observed in recent years, this month continues to signal the onset of fall, bringing refreshing breezes that invite a change in both temperature and scenery.
In September, Monsanto experiences a noticeable transition towards autumn, with precipitation totaling 35 mm (1.4 inches) over 4 rainy days. This marks a significant increase compared to the exceptionally dry summer months of July and August, where rainfall was minimal, at just 6 mm and 7 mm respectively. While September’s rainfall is modest compared to the earlier spring months, it indicates the beginning of a wetter season, paving the way for the much rainier October and November. Overall, this uptick in precipitation not only enriches the region's landscapes but also reflects a typical shift from the dry summer heat to the cooler, more nourishing autumnal climate.
In September, Monsanto experiences a noticeable shift in humidity, settling at a comfortable 67%. This marks a transitional phase as the summer months wane; humidity levels drop from the consistent 60% of July and August, yet remain higher than the preceding spring months, which hovered around 70%. As the region moves towards autumn, humidity begins its upward trend again, ultimately peaking in November and December at 83% and 85%, respectively. This gentle increase in September sets the stage for the rich, moist air of fall, making it a refreshing time for residents and visitors alike.
In Monsanto, Portugal, September continues the trend of high UV exposure that characterizes the summer months, with a UV Index of 8 categorized as very high. As the region transitions from the peak summer intensity of June and July, the burn time remains notably short at just 15 minutes, highlighting the need for sun protection even as temperatures begin to cool. This gradual decline from the extreme levels seen earlier in the season reflects the seasonal shift but still demands caution for outdoor activities. It's a reminder that as summer wanes, vigilance against UV radiation should not be overlooked. For detailed information on safe sun exposure, explore the Monsanto UV Index.
UV Risk Categories
As summer fades into autumn, September in Monsanto, Portugal, boasts an impressive 343 hours of sunshine, marking a gentle decline from the peak summer months. This month, while slightly less sunny than the bustling July and August—which enjoy over 400 hours of sun—still offers a warm embrace of bright days, perfect for exploring the charming medieval town. The transition into fall becomes evident as daylight hours gradually taper off towards October, yet September retains a delightful warmth and clarity, inviting visitors to savor the last rays of summer before the cooler months set in. The overall trend illustrates Monsanto's rich tapestry of sunlight, enchanting visitors across the seasons while promising vibrant experiences under the clear blue skies.
In Monsanto, Portugal, September presents a promising chance of sunny weather, with 50% likelihood of sunshine. This trend indicates a shift towards more favorable conditions compared to earlier months like February, which sees only 19% sunshine, and even April at 29%. As summer transitions into autumn, visitors can enjoy relatively stable weather following the peak of the summer months, where July and August boast impressive sunshine probabilities of 67% and 70%, respectively. Therefore, September stands out, striking a balance between warmth and the soothing onset of fall, making it a delightful time for outdoor activities amid the picturesque landscape.
In September, Monsanto, Portugal, basks in a delightful 12 hours of daylight, marking the transition from the sun-drenched heights of summer to the gentle embrace of autumn. Following the peak daylight of 14 hours in June and July, the days gradually shorten, yet this month still offers ample sunshine for outdoor adventures. As the long summer evenings give way to shorter days, September strikes a perfect balance, allowing residents and visitors alike to enjoy the lingering warmth before the year dips into the darker months of October and November, with their 11 and 9 hours of daylight, respectively. This gradual decline beautifully encapsulates the changing seasons, inviting a sense of renewal and reflection as nature prepares for its slumber ahead.
In Monsanto, Portugal, the September wind is marked by a gentle breeze, with an average wind speed of 3.2 m/s (7 mph). This slight decline from the summer months reflects a broader trend observed throughout the year, where wind speeds tend to peak in July at 4.5 m/s (10 mph) before gradually tapering off into the fall. As the vibrancy of summer transitions into the cooler autumn air, September's winds become softer, creating a tranquil atmosphere that perfectly complements the scenic beauty of the region. The wind patterns throughout the year indicate a seasonal rhythm, enhancing Monsanto's charm as a picturesque getaway.
The weather in Monsanto 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 Monsanto and find detailed weather information for every month.
September and January present stark contrasts in weather conditions. September boasts warmer temperatures, with an average of 20°C (69°F) and highs reaching up to 38°C (100°F), along with relatively low precipitation at 35 mm (1.4 in) over just 4 days. In contrast, January experiences much cooler weather, with average temperatures of 9°C (49°F) and lows dropping to -3°C (26°F). Precipitation also increases during this month, totaling 50 mm (2.0 in) across 6 days, coupled with higher humidity at 85%. For more detailed insights, you can check out Monsanto weather in January.
In September, the weather tends to be significantly warmer, with average temperatures around 20°C (69°F) and highs reaching up to 38°C (100°F). The month sees relatively low precipitation, totaling 35 mm (1.4 in) over just four days, accompanied by a humidity level of 67%. In contrast, February experiences cooler temperatures, with an average of 11°C (53°F) and a maximum of 24°C (76°F). February also has higher precipitation at 64 mm (2.5 in), spread across eight days, and humidity rises to 75%. For more detailed information on February weather patterns, you can visit Monsanto weather in February.
In September, temperatures exhibit a warm climate with a minimum of 10°C (50°F) and an average of 20°C (69°F), peaking at a scorching 38°C (100°F). The month sees relatively low precipitation, averaging 35 mm (1.4 in) over just four days, and maintains a humidity level of 67%. In contrast, March experiences cooler temperatures, with a minimum of 2°C (37°F) and a more moderate average of 13°C (55°F), while the maximum reaches 27°C (81°F). However, March is considerably wetter, with a total precipitation of 103 mm (4.0 in) over ten days and slightly higher humidity at 72%. For a detailed look at the weather conditions in March, you can visit Monsanto weather in March.
In September, the weather typically features warmer temperatures, with minimums around 10°C (50°F), average highs of 20°C (69°F), and occasional peaks reaching up to 38°C (100°F). The month experiences relatively low precipitation, averaging just 35 mm (1.4 in) over 4 days, and maintains a humidity level of 67%. In contrast, April exhibits cooler conditions, with minimum temperatures dropping to 4°C (39°F), an average of 14°C (58°F), and maximums reaching 29°C (85°F). This month sees significantly more rainfall, totaling 111 mm (4.4 in) across 14 days, and a slightly higher humidity of 70%. For more detailed insights on April weather, check out Monsanto weather in April.
When comparing the weather in September and May, we see some notable differences. September generally features warmer temperatures, with average highs reaching 38°C (100°F) compared to May's maximum of 35°C (95°F). The minimum temperature in September is also higher, averaging 10°C (50°F) versus May’s 6°C (44°F). Precipitation is less frequent in September, occurring on only 4 days, while May sees rain on approximately 7 days, contributing to a higher total rainfall of 57 mm (2.2 in). Both months have similar humidity levels, with September at 67% and May slightly higher at 70%. For a detailed look at the weather in May, you can visit Monsanto weather in May.
In September, the weather exhibits slightly warmer average temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 38°C (100°F), compared to June’s range of 9°C (48°F) to 39°C (103°F). Despite having a higher average maximum temperature in September, June experiences slightly cooler average conditions overall. Precipitation is more frequent in June, occurring over 6 days with a total of 22 mm (0.9 in), whereas September sees only 4 days of rain and a total of 35 mm (1.4 in). Humidity levels are also comparable, with September at 67% and June slightly lower at 63%. For more information, check out Monsanto weather in June.
In comparing the weather of September and July, we see some intriguing differences. September features slightly cooler temperatures with a minimum of 10°C (50°F) and an average of 20°C (69°F), whereas July has a minimum of 12°C (54°F) and an average of 21°C (70°F). July is marked by higher maximum temperatures, reaching 39°C (102°F), compared to September's peak of 38°C (100°F). Notably, September experiences more frequent precipitation, with 35 mm (1.4 in) over 4 days, while July is much drier, only recording 6 mm (0.2 in) over 2 days. Humidity levels are also higher in September at 67%, compared to July's 60%. For a closer look at July's weather specifically, you can visit Monsanto weather in July.
In comparing the weather between August and September, a noticeable transition occurs. August typically enjoys slightly higher average temperatures, with minimums around 12°C (54°F) and maximums peaking at 42°C (108°F). In contrast, September sees a decrease in both minimum (10°C or 50°F) and maximum temperatures (38°C or 100°F), with an average of 20°C (69°F). Precipitation is also quite different; August records only 7 mm (0.3 in) over just one day, while September averages 35 mm (1.4 in) across four rainy days, leading to higher humidity levels at 67% compared to August's 60%. For a more detailed look at August's climate, you may refer to Monsanto weather in August.
September weather showcases a warm and pleasant transition into autumn, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 38°C (100°F) and an average of 20°C (69°F). Precipitation is relatively low at 35 mm (1.4 in), falling on just 4 days, and humidity levels sit at 67%. In contrast, October brings cooler temperatures, with a minimum of 6°C (42°F), an average of 17°C (63°F), and a maximum of 36°C (97°F). The month is wetter, with 75 mm (2.9 in) of rain spread over 6 days and increased humidity at 74%. For more detailed insights into October weather, visit Monsanto weather in October.
In September, the weather is typically warmer, with average temperatures around 20°C (69°F) and maximums reaching up to 38°C (100°F). The month experiences relatively low precipitation, totaling 35 mm (1.4 in) over about 4 days, and humidity levels hover around 67%. In contrast, November brings much cooler temperatures, with an average of 13°C (55°F) and high temperatures peaking at 25°C (77°F). Additionally, November is significantly wetter, with 107 mm (4.2 in) of rainfall spread over approximately 12 days and higher humidity at 83%. For more details, you can check out the weather specifics for the area here: Monsanto weather in November.
September offers a much warmer climate, with average temperatures around 20°C (69°F) and highs reaching up to 38°C (100°F), while December sees cooler conditions, averaging 11°C (52°F) and peaking at 19°C (66°F). Precipitation also differs significantly; September has only 35 mm (1.4 in) over about 4 days, while December experiences nearly double that, with 77 mm (3.0 in) spread over 10 days. Additionally, humidity is generally higher in December at 85%, compared to September’s 67%. For more detailed insights, you can check Monsanto weather in December.
As September unfolds in Monsanto, the weather marks a distinct transition from the sweltering summer months, bringing a more temperate climate that offers a welcome relief. The average temperatures settle around a comfortable 20°C, with occasional peaks soaring to maximums of 38°C, while cooler evenings drop to around 10°C. Despite experiencing about four days of rain totaling 35 mm, the humidity hovers around 67%, enhancing the lushness of the landscape. This harmonious blend of warmth and moisture not only sets the stage for a beautiful autumn but also differentiates September from the hotter, drier days of mid-summer. For a comprehensive exploration of the climate patterns throughout the year, visit Monsanto Climate.