September Weather in Carvoeiro, Portugal

Last updated: February 24, 2025

In September, Carvoeiro, Portugal welcomes visitors with delightful weather that feels like a warm embrace. With a maximum temperature reaching 28°C (82°F) and an inviting average of 21°C (70°F), it's the perfect time for sun-soaked adventures. The minimum temperature dips to a cool 15°C (59°F), offering refreshing evenings. With only 7 mm (0.3 in) of rainfall and not a single precipitation day, the chances of rain are almost nonexistent, allowing for uninterrupted enjoyment of the stunning coastal scenery. Maintaining a humidity level of 71%, the air remains pleasantly comfortable, making September an ideal month to explore all that Carvoeiro has to offer.

September Temperature in Carvoeiro

In Carvoeiro, Portugal, September marks the graceful transition from summer to autumn, as temperatures remain pleasantly warm. The month opens with a minimum of 15°C (59°F) and averages around 21°C (70°F), making it a delightful time to explore the stunning coastline. While the maximums reach a comfortable 28°C (82°F), the weather is usually marked by sunny days, perfect for enjoying the beach or outdoor activities without the overwhelming heat of the peak summer months. As September unfolds, the warmth begins to taper off gently, offering a mild and inviting atmosphere that appeals to many visitors looking to escape the seasonal crowds. This trend of high yet comfortable temperatures promises a wonderful experience for those traveling to this picturesque Algarve gem.

September Weather in Carvoeiro: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Carvoeiro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec565758606466697070676259
Data source: Temperature data for Carvoeiro generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Carvoeiro

In Carvoeiro, Portugal, September marks a significant shift towards drier conditions, with a modest precipitation total of 7 mm (0.3 in), reflecting the lingering warmth of summer. After a completely dry August, the month offers a slight reprieve in rainfall but still sees no actual precipitation days. This pattern sets the stage for the wetter months ahead, as October brings a noticeable increase in rainfall with 26 mm (1.0 in) anticipated over three days. Observing this trend, it’s clear that while September is relatively dry, the transition into autumn ushers in the season’s characteristic rain, preparing the landscape for the lushness of late fall. The declining precipitation from spring through summer ultimately highlights Carvoeiro’s sunny disposition, before the refreshing autumn rains take center stage.

September Precipitation Trends in Carvoeiro

The chart displays monthly precipitation patterns in Carvoeiro, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec27436347134207264745
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Carvoeiro

September in Carvoeiro, Portugal, sees a gentle uptick in humidity with levels reaching 71%. This slight increase after the summer months signals a transition towards the wetter autumn season, following the lowest records of 67% in June. The humidity levels gradually rise from the dry heat of summer, displaying a rhythm that echoes the approaching change in weather. Comparing September to the preceding months, it reflects the last whispers of summer, before the humidity continues to climb into the fall, reaching 75% in October. This trend illustrates how the coastal climate shifts, combining warmth with the refreshing breezes that define this charming region.

September Average Humidity in Carvoeiro

This chart illustrates the average monthly humidity levels in Carvoeiro, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%69%69%67%69%68%71%75%78%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Carvoeiro

As summer transitions into autumn, September in Carvoeiro, Portugal, maintains a very high UV Index of 9, comparable to the peak summer months. This level of exposure, with a burn time of just 15 minutes, underscores the importance of sun protection during outdoor activities. Following the intense UV rays of July and August, when the UV Index soared to 10 and 11, September shows a slight decrease, yet still demands caution for sun-seekers. As daylight hours begin to shorten, the sun's intensity remains significant, keeping skin health a priority. For more detailed information, visit the Carvoeiro UV Index.

Maximum UV Index Levels in Carvoeiro for September

The chart shows the monthly maximum UV Index (UVI) for Carvoeiro in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109743
Data source: Carvoeiro September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Carvoeiro

As summer gracefully wanes, September in Carvoeiro, Portugal, welcomes visitors with a generous 351 hours of sunshine, showcasing the region's charm during this early autumn month. Following the peak brilliance of July with 425 hours, the sunlight gently temperates, yet still impresses, providing a warm backdrop for outdoor adventures. This trend of diminishing daylight continues through the fall, with October bringing 323 hours and November significantly dropping to 249 hours. However, September's consistent brightness makes it an ideal time for travelers to bask in the lingering warmth, explore breathtaking coastlines, and savor delicious local cuisine under the sun’s comforting rays. The transition from summer to autumn is palpable, yet the radiant days of September resonate with lingering summer vibes, inviting all to enjoy the beauty of Carvoeiro.

Monthly Sunshine Duration in Carvoeiro: September Highlighted

The September sunshine duration represents the total number of hours Carvoeiro experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec202h248h308h359h410h412h425h397h351h323h249h244h
Data source: Carvoeiro September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Carvoeiro During September

In September, Carvoeiro, Portugal enjoys a favorable chance of sunshine, with about 71% likelihood of clear skies gracing the region. This delightful month wraps up the summer season, maintaining warm temperatures and pleasant conditions that highlight a notable trend toward consistently sunny weather as the year progresses. The likelihood of sun climbs steadily from the early months, peaking in July and August, before transitioning into a still enjoyable September, where the sun is prevalent without the intensity of summer's peak. As autumn approaches, the chance of sunny days in Carvoeiro dips slightly, yet September remains a charming option for sun seekers and beach lovers alike.

Percentage of Sunny Days in September in Carvoeiro

The chart illustrates the percentage of sunny days in Carvoeiro throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Carvoeiro experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%28%63%48%68%81%90%86%71%59%75%48%
Data source: Carvoeiro September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Carvoeiro in September

As summer transitions into fall, September in Carvoeiro, Portugal, showcases a gentle decline in daylight hours, averaging 12 hours of sunlight. After basking in the long, sun-drenched days of July, August, and the early weeks of September, the region begins its move towards shorter days, preparing for the cozy ambiance of autumn. While the daylight may taper off from the vibrant 14 hours of the summer months, it still offers plenty of time to enjoy the stunning landscapes and coastal beauty. This gradual shift towards October's 11 hours marks a change in season, inviting visitors to savor the lingering warmth and golden hues of the early fall days before the retreat of winter.

Average Daylight Hours in Carvoeiro for September

The chart illustrates the variation in daylight duration in Carvoeiro throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 55m10h 49m11h 58m13h 9m14h 9m14h 39m14h 23m13h 30m12h 22m11h 11m10h 9m9h 38m
Data source: Carvoeiro daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Carvoeiro

As summer gracefully transitions into autumn, September in Carvoeiro, Portugal brings a gentle shift in the breeze, with average wind speeds dropping to 4.3 m/s (10 mph). This marks the most tranquil month of the year, following the lively gusts of July, which peak at 6.0 m/s (13 mph). Throughout the spring and into the summer, wind speeds fluctuated modestly, with May's 5.7 m/s (13 mph) being a notable highlight. However, as the days shorten and temperatures cool, September offers a serene respite, inviting visitors to embrace the softer winds that accompany the beautiful landscapes of this coastal town. With winds gradually picking up again in October, Carvoeiro is a fabulous place where one can enjoy both calm and invigorating coastal breezes, making it a year-round destination.

Average September Wind Speed in Carvoeiro

The chart displays monthly wind speed patterns in Carvoeiro, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.45.55.04.45.75.46.05.54.3 m/s4.75.05.9
Data source: Carvoeiro September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Carvoeiro Compares to Other Months

The weather in Carvoeiro 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 Carvoeiro and find detailed weather information for every month.

September and January present contrasting weather conditions. In September, temperatures range from a pleasant minimum of 15°C (59°F) to a maximum of 28°C (82°F), with an average of 21°C (70°F) and minimal precipitation of just 7 mm (0.3 in) over no rainy days, resulting in a relatively low humidity of 71%. In stark contrast, January's cooler climate sees temperatures dipping to a minimum of 5°C (42°F) and peaking at 18°C (65°F), averaging 13°C (56°F). This month experiences more precipitation, totaling 27 mm (1.1 in) over three days, with a higher humidity level of 80%. For those interested in a detailed view of January's weather, check out Carvoeiro weather in January.

In September, the weather is generally warm and pleasant, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 28°C (82°F). This month enjoys relatively low precipitation, averaging just 7 mm (0.3 in) across no rainy days, and maintains a humidity level of 71%. In contrast, February experiences cooler temperatures, with averages around 14°C (58°F), and a notable increase in precipitation totaling 43 mm (1.7 in) over five days. The humidity remains comparable at 73%. For more detailed insights, check out Carvoeiro weather in February.

In September, the weather is generally warm and pleasant, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 28°C (82°F) and an average temperature of 21°C (70°F). The month sees minimal rainfall, with only 7 mm (0.3 in) of precipitation spread over no rainy days, maintaining a comfortable humidity level of 71%. In contrast, March experiences cooler temperatures, with a minimum of 9°C (49°F), an average of 15°C (59°F), and a maximum of 19°C (67°F). This month is considerably wetter, receiving 63 mm (2.5 in) of precipitation over seven rainy days while still maintaining the same humidity level of 71%. For a more detailed look, you can check Carvoeiro weather in March.

In September, the weather is typically warmer than in April, with average temperatures reaching around 21°C (70°F) and highs of 28°C (82°F), compared to April's average of 16°C (60°F) and a maximum of 21°C (69°F). Additionally, September enjoys significantly drier conditions, with only 7 mm (0.3 in) of precipitation occurring over no rainy days, while April sees a wetter climate with 47 mm (1.8 in) accumulating over 9 days. Both months maintain similar humidity levels, hovering around 71% in September and 69% in April. For those interested in more details, you can check Carvoeiro weather in April.

In comparing the weather of September and May, September generally enjoys warmer temperatures, with a minimum of 15°C (59°F) and an average of 21°C (70°F), peaking at 28°C (82°F). In contrast, May features cooler conditions, with temperatures ranging from a minimum of 11°C (53°F) to an average of 18°C (64°F), and a maximum of 26°C (78°F). While September tends to be drier, recording no precipitation days and only 7 mm (0.3 in) of rain, May experiences slightly more rainfall, totaling 12 mm (0.5 in) over two days. Humidity levels are similar, with September at 71% and May at 69%. For a closer look at what May has to offer, check out Carvoeiro weather in May.

In September, the weather is slightly warmer than in June, with average temperatures reaching 21°C (70°F) compared to June's average of 19°C (67°F). Both months experience maximum temperatures around 28°C (82°F) to 28°C (83°F), making them pleasantly warm. However, September sees a bit higher humidity at 71%, while June's humidity is a touch lower at 67%. Precipitation is minimal in both months, with September recording 7 mm (0.3 in) and June only 4 mm (0.1 in), and neither month experiences any rainy days. For more details about June's weather, you can check out Carvoeiro weather in June.

September and July exhibit fairly similar weather patterns, with both months enjoying mild temperatures and low precipitation. In July, the minimum temperature stands at 15°C (60°F), with an average of 21°C (69°F) and a maximum of 27°C (82°F). Comparatively, September's temperatures range from a minimum of 15°C (59°F) to an average of 21°C (70°F), peaking at 28°C (82°F). Although both months boast minimal rainfall—July with 2 mm and September with 7 mm—September is slightly more humid, averaging 71% compared to July's 69%. For more detailed information on July's climate, you can visit Carvoeiro weather in July.

In comparing the weather of September and August, we find that both months offer pleasant conditions, but with some notable differences. September experiences slightly cooler temperatures, with a minimum of 15°C (59°F) and a maximum of 28°C (82°F), while August typically sees warmer temperatures, ranging from a minimum of 16°C (61°F) to a maximum of 30°C (86°F). Precipitation is virtually non-existent in both months, with September receiving only 7 mm (0.3 in) spread over zero days, and August reporting no rainfall at all. Interestingly, humidity levels are slightly higher in September at 71%, compared to 68% in August. For more detailed weather information specifically for August, you can visit Carvoeiro weather in August.

September typically boasts warmer temperatures, with averages around 21°C (70°F) and maximums reaching up to 28°C (82°F), making it a delightfully warm month. In contrast, October sees a slight decline, with average temperatures dropping to 19°C (67°F) and maximums of 25°C (78°F). While September experiences minimal rainfall, October brings a notable increase in precipitation, totaling 26 mm (1.0 in) over three days, compared to September's dry streak. Humidity also tends to rise slightly in October, reaching 75% compared to September's 71%. For more details on October weather, you can check this link: Carvoeiro weather in October.

September offers a warmer climate with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 28°C (82°F), and it enjoys a relatively low precipitation of just 7 mm (0.3 in) over the month, with no rainy days. In contrast, November sees a noticeable drop in temperatures, averaging 16°C (62°F) with a maximum of 21°C (70°F) and a minimum of 10°C (50°F). Additionally, November is much wetter, receiving 47 mm (1.9 in) of rain spread over 8 days, resulting in higher humidity levels at 78%. For more detailed information, you can check out the Carvoeiro weather in November.

In September, the weather is generally warmer and drier, with temperatures ranging from a mild 15°C (59°F) to a high of 28°C (82°F) and an average of 21°C (70°F). The month sees minimal precipitation, with only 7 mm (0.3 in) falling over the course of 0 days, and humidity levels sitting comfortably at 71%.

In contrast, December brings cooler temperatures, with daily averages dropping to around 15°C (59°F), and highs of just 20°C (68°F). Rainfall increases significantly during this month, with up to 45 mm (1.8 in) spread over 5 days, while humidity rises to 81%. For more details on the December climate, visit Carvoeiro weather in December.

Compare Carvoeiro's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Carvoeiro

As summer gracefully transitions into autumn, September in Carvoeiro offers a delightful reprieve from the heat, characterized by mild temperatures that average around 21°C (70°F). The warm days still reach pleasant highs of 28°C (82°F), while the nights cool down to a refreshing 15°C (59°F). Unlike the wetter months that precede it, September boasts an impressive lack of rainfall, with no precipitation days and only a scant 7 mm (0.3 in) expected, making it ideal for outdoor activities and beach outings. The moderate humidity level at 71% adds to the overall comfort, allowing visitors to relish in the stunning coastal beauty without the stifling humidity typical of summer. For a more nuanced overview of the region's atmospheric patterns throughout the year, check out Carvoeiro Climate.