Last updated: February 24, 2025
Experience the charm of Colares, Portugal in September, where the weather offers a delightful blend of warm days and mild evenings. With maximum temperatures reaching around 23°C (74°F) and an average of 18°C (65°F), visitors can enjoy comfortable outdoor activities. The evenings cool down to a pleasant 15°C (60°F), perfect for cozy gatherings. Rainfall is relatively low, with just 32 mm (1.2 in) spread over 2 days, allowing plenty of time for exploration under the gentle September sun. The humidity is a manageable 67%, ensuring a refreshing atmosphere as you take in the stunning coastal views and rich local culture.
In September, Colares, Portugal, experiences a delightful transition as summer starts to fade. With minimum temperatures averaging 15°C (60°F) and highs reaching around 23°C (74°F), the weather provides a comfortable backdrop for outdoor activities. This month maintains the pleasant warmth of August, but the cooling evenings signal the arrival of autumn. The average temperature hovers at a mild 18°C (65°F), making it an ideal time for leisurely strolls along the beaches or exploring the picturesque surroundings. As the month progresses, visitors can enjoy the lingering warmth while witnessing a shift in the landscape, perfectly embodying the charm of early fall in this coastal gem.
In September, Colares sees a notable shift as precipitation begins to pick up again after a noticeably dry summer. With 32 mm (1.2 in) of rain falling over just 2 days, the month marks a transition from the negligible rainfall of July and August, which recorded a mere 3 mm and 4 mm, respectively. This uptick heralds the onset of the wetter autumn months, setting the stage for October's expected increase to 53 mm (2.1 in). While September may not be the wettest month of the year, it provides a refreshing contrast to the parched summer, showcasing the region's climatic rhythm as it shifts from heat to cooler, rainier days.
In September, Colares, Portugal, experiences a notable shift in humidity, with levels rising to 67% after the drier summer months. This increase marks a transition as the region moves away from the peak 60% humidity of July and August, signaling the onset of autumn. Despite the upward trend, September's humidity remains relatively manageable compared to the winter months, where it peaks at a hefty 85% in January and December. This gradual increase reflects the more temperate fall climate, making September an ideal time to enjoy the picturesque landscapes of Colares, where the crisp air mingles with the lingering warmth of late summer.
As September rolls into Colares, Portugal, the UV Index remains significant, recorded at 8, which falls into the very high exposure category. This indicates that although we're transitioning into autumn, the sun's rays still pack a punch, with a burn time of just 15 minutes. Compared to the peak of summer, where June saw an extreme UV Index of 11, September shows a slight decline but still demands attention for sun protection. The overall trend from March's 6 to June’s peak reflects an intense summer, but even as temperatures cool, it’s crucial to stay vigilant about UV exposure. For further insights and tips on sun safety, check out Colares UV Index.
UV Risk Categories
September in Colares, Portugal, offers a delightful blend of warmth and sunshine, with 348 hours of radiant daylight making it a standout month in the transition to autumn. Following the peak summer months, where July shines brightest at 420 hours, September gracefully holds onto the remnants of summer, showcasing a wealth of sunny days. While the hours of sunshine naturally begin to decline, the decrease is less steep than in the following month of October, which sees a drop to 313 hours. This transition period allows visitors to enjoy the lingering warmth while basking in pleasantly mild weather, making September a perfect time to explore the scenic beauty and vibrant culture of Colares.
In Colares, Portugal, September boasts a 66% chance of sunny weather, mirroring the warmth of the previous summer months. This trend highlights a remarkable stability in sunshine as the region transitions from the vibrant summer into the more temperate fall. Following the peak of July and August, which enjoy chances of sun at 69% and 66% respectively, September maintains this delightful brightness. The fall season begins to set in, but with October's 55% chance of sun, it's clear that the sun is still a prominent feature of Colares’ early autumn, ensuring plenty of opportunities for outdoor activities and stunning coastal views.
As September rolls into Colares, Portugal, daylight begins to wane, offering around 12 hours of light—a gentle transition from the summer's peak. The month marks a notable shift from the 14 hours enjoyed in June, July, and August, revealing a rhythmic decline in daylight that mirrors the onset of autumn. This gradual reduction is indicative of the changing seasons, where the vibrant summer days slowly give way to the softer, golden hues of fall. In just a month, daylight will dwindle further to 11 hours in October, illustrating nature's cycle as the region prepares for the cozy embrace of shorter days.
As September arrives in Colares, Portugal, the average wind speed gently settles at 5.4 m/s (12 mph), marking a noticeable decline from the summer’s breezy highs. This month transitions from the vigorous summer winds of up to 7.3 m/s (16 mph) in June and July, gradually embracing a more tranquil atmosphere, perfect for leisurely beach days and scenic coastal strolls. With each passing week, the winds tend to mellow, hinting at the approach of autumn while still maintaining a pleasant edge. In this gentle change, visitors can enjoy the soft caress of the September wind, making it an ideal time to explore the vibrant natural beauty of this picturesque region.
The weather in Colares 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 Colares and find detailed weather information for every month.
September generally offers milder and more comfortable weather compared to January. With average temperatures around 18°C (65°F) and a maximum of 23°C (74°F), September enjoys low humidity levels of 67% and only 32 mm of precipitation over just 2 days. In contrast, January experiences colder conditions with an average temperature of 13°C (56°F), peaking at 18°C (64°F) but dipping to a minimum of 7°C (45°F). Additionally, January is wetter, receiving 42 mm of rain over 7 days and higher humidity at 85%. For more detailed insights, you can check out Colares weather in January.
September typically boasts milder temperatures, with averages around 18°C (65°F) and maximums reaching up to 23°C (74°F), making it a comfortable month for outdoor activities. In contrast, February tends to be cooler, with average temperatures around 13°C (56°F), and maximums peaking at 17°C (63°F). Additionally, February experiences significantly more rainfall, totaling 59 mm (2.3 in) across eight days, compared to September's 32 mm (1.2 in) over just two days. The humidity levels also rise slightly in February to 75%, compared to September’s 67%, adding to the overall chill in the air. For more details on February weather, you can visit Colares weather in February.
When comparing the weather in September and March, one can observe distinct differences in temperature and precipitation patterns. September typically enjoys milder conditions with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 23°C (74°F) and only 32 mm (1.2 in) of rain spread over just 2 days. In contrast, March experiences cooler temperatures, with averages between 9°C (49°F) and 19°C (66°F), alongside higher precipitation levels of 64 mm (2.5 in) over 8 days, indicating a wetter month. Additionally, the humidity is slightly higher in March at 72%, compared to 67% in September. For a more detailed look at the weather, you can check Colares weather in March.
September generally boasts warmer temperatures compared to April, with averages around 18°C (65°F) and maximums reaching 23°C (74°F), while April sees lower averages of 14°C (58°F) and maximums of 21°C (71°F). Despite September's milder weather, it experiences less precipitation, averaging just 32 mm (1.2 in) over 2 days, compared to April, which typically has 71 mm (2.8 in) of rainfall spread over 11 days. Both months have similar humidity levels, with September at 67% and April slightly higher at 70%. For more detailed information, you can check Colares weather in April.
In September, the weather tends to be warmer with average temperatures around 18°C (65°F) and a maximum of 23°C (74°F), while May's temperatures are slightly cooler, averaging 16°C (61°F) and peaking at 24°C (76°F). Both months experience similar levels of precipitation, with September getting 32 mm (1.2 in) over 2 days and May receiving 33 mm (1.3 in) over 3 days. Humidity levels are also comparable, with September at 67% and May at 70%. For those interested in more details about the May climate, visit Colares weather in May.
September weather tends to be slightly warmer than June, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 23°C (74°F), compared to June's range of 14°C (58°F) to 22°C (72°F). Additionally, September experiences more precipitation, totaling 32 mm (1.2 in) over two days, while June sees only 12 mm (0.5 in) on the same number of days. Humidity levels are also a bit higher in September at 67%, compared to 63% in June. For more detailed information, you can check Colares weather in June.
In comparing the weather between September and July, we notice some intriguing differences. September typically sees a minimum temperature of 15°C (60°F), an average of 18°C (65°F), and a maximum of 23°C (74°F), accompanied by 32 mm (1.2 in) of precipitation over two days, resulting in a humidity level of 67%. In contrast, July features slightly warmer morning temperatures with a minimum of 16°C (60°F) and a similar average of 18°C (64°F), but a cooler maximum of 21°C (70°F), and very little precipitation at just 3 mm (0.1 in) over zero rainy days, leading to lower humidity at 60%. For a deeper dive into July's specific conditions, you can check out Colares weather in July.
In comparing the weather of September to August, we notice that both months have similar average temperatures, maintaining a mild range with averages around 18°C (65°F) and maximums reaching 23°C (74°F). However, September experiences slightly cooler minimum temperatures at 15°C (60°F) compared to August's 16°C (61°F). Additionally, September sees more precipitation, totaling 32 mm (1.2 in) over 2 days, whereas August is much drier with only 4 mm (0.1 in) on just 1 day. Humidity levels are also higher in September at 67%, compared to 60% in August, adding to the overall tendency for a more moist environment as summer transitions into autumn. For a detailed look at August weather, you can visit Colares weather in August.
September's weather is relatively mild, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 23°C (74°F) and an average of 18°C (65°F). This month sees lower precipitation levels of 32 mm (1.2 in) over just 2 days, accompanied by a humidity level of 67%. In contrast, October brings slightly cooler temperatures, with a minimum of 11°C (52°F) while maintaining the same maximum of 23°C (74°F) and an average of 18°C (64°F). However, it experiences increased rainfall at 53 mm (2.1 in) distributed over 6 days and higher humidity at 74%. For a detailed look at what to expect, check out Colares weather in October.
September and November exhibit noticeable differences in weather patterns. In September, temperatures are milder, ranging from a minimum of 15°C (60°F) to a maximum of 23°C (74°F), with an average of 18°C (65°F). The month sees relatively light precipitation, totaling 32 mm (1.2 in) over just 2 days, and humidity levels hover around 67%. In contrast, November experiences cooler temperatures, with a minimum of 11°C (53°F) and a maximum of 20°C (68°F), averaging 16°C (60°F). The month is much wetter, featuring 89 mm (3.5 in) of rain over 11 days, accompanied by higher humidity at 83%. For more details about the weather in this month, you can visit Colares weather in November.
September weather typically features milder temperatures, with averages around 18°C (65°F) and maximums reaching up to 23°C (74°F). The month sees less rainfall, accumulating only 32 mm (1.2 in) across just two days, and maintains a moderate humidity level of 67%. In contrast, December brings cooler conditions, with average temperatures dropping to 14°C (58°F) and maximums peaking at 17°C (63°F). This month experiences significantly more rain, with 73 mm (2.9 in) of precipitation over ten days, and higher humidity at 85%. For a closer look at how December weather compares, check out Colares weather in December.
As September unfolds in Colares, the weather presents a delightful transition from the warmer summer months to the cooler embrace of autumn. With pleasant daytime temperatures inviting outdoor exploration, this month boasts a perfect balance of warmth and refreshing breezes. Unlike the sweltering heights of July and August, September's climate is characterized by moderate humidity and minimal rainfall, creating ideal conditions for enjoying the region's breathtaking landscapes. The notable drop in precipitation and the few rainy days make it an excellent time for hiking and beach outings. For more detailed insights about the climate variations throughout the year, visit Colares Climate.