September Weather in Monchique, Portugal

Last updated: February 24, 2025

Nestled in the heart of Portugal, Monchique showcases a captivating September climate, blending warmth and occasional tranquility. With maximum temperatures soaring to 37°C (98°F) and an average of 22°C (73°F), visitors can revel in the sun-drenched days. However, a gentle shift occurs as nights cool down to a refreshing minimum of 11°C (52°F), inviting a cozy atmosphere. The month experiences minimal rainfall, with just 8 mm (0.3 in) recorded over a solitary day, allowing for ample outdoor exploration. Combined with a humidity level of 71%, the climate offers a delightful balance that makes Monchique a prime destination for both relaxation and adventure in early autumn.

September Temperature in Monchique

September in Monchique, Portugal, marks a transition into the mild embrace of autumn, with temperatures reflecting a delightful blend of summer warmth and cooling breezes. The month welcomes average temperatures around 22°C (73°F), with minimum lows at 11°C (52°F) and maximum highs peaking at 37°C (98°F). This notable shift from the sweltering summer months, where August reached scorching highs of 43°C (110°F), provides a more comfortable climate for outdoor exploration and relaxation. With the days still warm but nights gently cooling, September offers the perfect opportunity to enjoy the stunning landscapes of Monchique without the intense heat, making it an ideal time for travelers seeking both adventure and serenity.

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

The chart illustrates September temperature patterns in Monchique, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505456596669737572665854
Data source: Temperature data for Monchique 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 Monchique

In Monchique, Portugal, September marks a subtle transition as summer recedes, bringing in a slight uptick in precipitation with a total of 8 mm (0.3 in), albeit over just one day. This modest rainfall follows an exceptionally dry August, where not a single drop was recorded. The trend illustrates a gradual shift from the arid conditions of mid-summer; in fact, rainfall begins to ramp up in October, with 32 mm (1.2 in) anticipated across four days. This pattern not only signals the end of the dry season but also prepares the landscape for the lush rejuvenation seen in autumn, highlighting nature's resilience and rhythm in this picturesque region.

September Precipitation Trends in Monchique

The chart displays monthly precipitation patterns in Monchique, 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.
JanFebMarAprMayJunJulAugSepOctNovDec24447865238318325045
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Monchique

In Monchique, Portugal, September marks a transition in humidity as the summer warmth begins to wane. With humidity levels at 71%, this month experiences a slight increase compared to the distinctly drier summer months, where June saw the lowest at 67%. As autumn approaches, the air becomes a bit more saturated, setting the stage for the higher humidity levels typical of winter, peaking at 81% in December. This gradual shift highlights Monchique’s characteristic climatic rhythm, where the share of moisture in the air enhances the region's lush landscapes, making it a captivating destination throughout the year.

September Average Humidity in Monchique

This chart illustrates the average monthly humidity levels in Monchique, 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 Monchique

In September, Monchique, Portugal, experiences a UV Index of 9, indicating a very high level of sun exposure, with a burn time of just 15 minutes. This trend continues from the peak summer months, where the UV Index reaches its highest at 11 in June. While September marks the transition towards milder autumn weather, the UV intensity remains significant, similar to July and August. It's crucial for residents and visitors alike to recognize the persistent risk of overexposure to UV radiation during this month. For more detailed information regarding the UV levels throughout the year, visit Monchique UV Index.

Maximum UV Index Levels in Monchique for September

The chart shows the monthly maximum UV Index (UVI) for Monchique 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: Monchique 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 Monchique

September in Monchique, Portugal, offers a delightful transition from the summer's peak, boasting 351 hours of sunshine. This month stands out as the sun begins to set on the vibrant summer, yet still provides a generous glow compared to the waning daylight of October, which drops to 323 hours. The sun-soaked months of June through August showcase the region's warm embrace, reaching a remarkable 425 hours in July. As the calendar turns to fall, though daylight diminishes, September maintains a charming balance, permitting visitors to savor the lingering warmth while enjoying the lush landscapes that bloom in this idyllic region. The gradual decline in sunshine hours toward year-end, notably in November and December, reminds us that Monchique's beauty is as much about the changing seasons as it is about the sunny days.

Monthly Sunshine Duration in Monchique: September Highlighted

The September sunshine duration represents the total number of hours Monchique 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: Monchique September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Monchique During September

In Monchique, Portugal, September offers a promising 65% chance of sunny weather, marking a delightful transition from the summer months. As the year progresses, a clear upward trend is noticeable, with July peaking at 87%, followed closely by August at 84%. By the time September arrives, the sun still makes a generous appearance, making it an ideal time for outdoor activities. The sunniest months are followed by a slight dip in October to 58%, indicating that while autumn is approaching, September remains a golden opportunity to bask in warm rays, surrounded by the stunning natural beauty of Monchique.

Percentage of Sunny Days in September in Monchique

The chart illustrates the percentage of sunny days in Monchique 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 Monchique experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%23%59%38%65%76%87%84%65%58%72%44%
Data source: Monchique September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Monchique in September

As summer transitions to autumn, September in Monchique, Portugal, offers a delightful balance of daylight, with 12 hours of sunshine each day. This month marks a gradual decline from the peak brightness of 14 hours seen in June, July, and August, signaling the end of the warm season. The shifting sunlight not only casts a beautiful glow over the landscape but also prepares the region for the cooler months ahead. Following September, daylight continues to decrease steadily, with October bringing 11 hours and November reducing to 10 hours. This rhythm of changing daylight reflects the natural ebb and flow of the seasons, inviting both locals and visitors to savor the last golden days of summer before the onset of winter.

Average Daylight Hours in Monchique for September

The chart illustrates the variation in daylight duration in Monchique 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: Monchique daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Monchique

In September in Monchique, Portugal, the wind begins to mellow, with an average speed of 3.2 m/s (7 mph), marking one of the lower points of the year. This gentle breeze continues the trend observed since mid-summer, where winds gradually decreased from the peak speed of 4.3 m/s (10 mph) in July. Following a consistent pattern, the wind speed dips slightly in September before stabilizing in October, suggesting a tranquil transition into autumn. As summer fades, the gentle winds of September create a serene environment, perfect for enjoying the breathtaking landscapes that Monchique has to offer.

Average September Wind Speed in Monchique

The chart displays monthly wind speed patterns in Monchique, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.93.43.24.13.94.33.73.2 m/s3.23.34.1
Data source: Monchique September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Monchique Compares to Other Months

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

September and January present contrasting weather patterns. September enjoys milder temperatures, with a minimum of 11°C (52°F) and an average of 22°C (73°F), while peaking at a warm 37°C (98°F). This month features only 8 mm (0.3 in) of precipitation over just one day, accompanied by a humidity level of 71%. In contrast, January introduces a chillier climate, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 21°C (70°F), averaging around 10°C (51°F). This winter month sees more precipitation, totaling 24 mm (0.9 in) across three days, and higher humidity at 80%. For more details on the January weather, you can check Monchique weather in January.

In September, the weather tends to be much warmer, with average temperatures around 22°C (73°F) and maximum highs reaching up to 37°C (98°F). The month is relatively dry, experiencing only 8 mm of precipitation over about one day, contributing to a humid atmosphere with levels at 71%. In contrast, February brings cooler temperatures, with an average of 12°C (55°F) and a maximum of 24°C (76°F). This month sees significantly more rain, with about 44 mm falling over five days, while humidity remains similar at 73%. For more detailed insights, you can check the Monchique weather in February.

September typically features warmer weather, with temperatures ranging from a comfortable minimum of 11°C (52°F) to a scorching maximum of 37°C (98°F), while averaging around 22°C (73°F). In contrast, March sees much cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 27°C (81°F), averaging 14°C (57°F). Additionally, September is relatively dry, receiving just 8 mm (0.3 in) of precipitation over about one day, whereas March experiences significantly more rainfall, totaling 78 mm (3.1 in) over approximately nine days. Despite the differences in temperature and precipitation levels, both months share a similar humidity level of 71%. For more details on March weather, you can check Monchique weather in March.

In September, the weather is generally warmer, with temperatures fluctuating from a minimum of 11°C (52°F) to a maximum of 37°C (98°F) and an average of 22°C (73°F). This month sees minimal rainfall, with only 8 mm (0.3 in) over just one day, making it a dry period with relatively high humidity at 71%. In contrast, April experiences cooler temperatures, ranging from a minimum of 6°C (44°F) to a maximum of 29°C (84°F), with an average of 15°C (60°F). April is notably wetter, averaging 65 mm (2.5 in) of precipitation spread over 11 days, while humidity remains fairly consistent at 69%. For more detailed insights, check out Monchique weather in April.

Comparing the weather in September and May reveals notable differences in temperature and precipitation. September typically sees warmer temperatures, with minimums around 11°C (52°F) and average highs reaching up to 37°C (98°F), creating a more intense heat compared to May's range of 7°C (45°F) to 34°C (93°F). Additionally, September is drier, featuring only 8 mm (0.3 in) of precipitation over just one day, while May experiences 23 mm (0.9 in) across four days, indicating a wetter month. Humidity levels are relatively similar, with September at 71% and May at 69%. For further details, you can visit Monchique weather in May.

When comparing the weather in September to that in June, both months exhibit warm temperatures and relatively low precipitation. In September, the minimum temperature aligns with June at 11°C (52°F), but the average temperature is slightly higher at 22°C (73°F), with a maximum of 37°C (98°F). June, on the other hand, has an average temperature of 21°C (69°F) and can reach a higher maximum of 40°C (105°F). While both months experience minimal precipitation of 8 mm (0.3 in), June has more rainy days—three compared to September's single day. Humidity levels are also comparable, with September at 71% and June slightly lower at 67%. For more detailed weather insights, you can check Monchique weather in June.

When comparing the weather in September and July, both months exhibit relatively warm temperatures, though July tends to be slightly hotter on average. In September, the minimum temperature drops to 11°C (52°F) while the average is 22°C (73°F) and can peak at 37°C (98°F). In contrast, July has a minimum of 12°C (55°F), an average of 23°C (74°F), and a maximum of 39°C (103°F). Precipitation levels in September are slightly higher at 8 mm (0.3 in) over one day, compared to July's minimal 3 mm (0.1 in), also over one day. Furthermore, humidity is marginally higher in September at 71% compared to 69% in July. For more specific insights on the July weather, you can explore Monchique weather in July.

Comparing the weather in September to August reveals notable differences. September experiences slightly cooler temperatures, with a minimum of 11°C (52°F) and an average of 22°C (73°F), while August is warmer, featuring a minimum of 14°C (57°F) and an average of 24°C (75°F). The maximum temperatures also highlight this shift, as September peaks at 37°C (98°F), whereas August can reach a scorching 43°C (110°F). In terms of precipitation, September sees a minimal 8 mm (0.3 in) over one day, in contrast to August's near-complete dryness with only 1 mm (0.0 in) of rain over zero days. Humidity levels remain relatively high in both months, with September at 71% and August at 68%. For more details, you can refer to Monchique weather in August.

In September, temperatures are generally warmer, with an average high of 22°C (73°F) and peaks reaching up to 37°C (98°F). The month experiences minimal rainfall, with only about 8 mm (0.3 in) over a single day and an average humidity of 71%. In contrast, October brings cooler temperatures, featuring an average high of 19°C (67°F) and lows of 8°C (46°F). This month sees a notable increase in precipitation, totaling 32 mm (1.2 in) spread over four days, along with slightly higher humidity at 75%. For more details on the October climate, you can check out Monchique weather in October.

September experiences much warmer temperatures compared to November, with a minimum of 11°C (52°F) and an average high of 22°C (73°F). In contrast, November presents a cooler climate, featuring a minimum temperature of 4°C (40°F) and an average high of 14°C (58°F). Precipitation levels also vary significantly; September sees just 8 mm (0.3 in) over a single day, while November experiences increased rainfall at 49 mm (1.9 in) across seven days. Additionally, humidity rises slightly in November, reaching 78% compared to September's 71%. For more details, check out Monchique weather in November.

In comparing the weather between September and December, it is clear that there is a notable shift in both temperature and precipitation patterns. September boasts significantly warmer temperatures, with a minimum of 11°C (52°F) and an average high of 37°C (98°F), while December sees much cooler conditions, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 22°C (71°F). Precipitation also increases in December, totaling 45 mm (1.8 in) over 6 days, compared to just 8 mm (0.3 in) on only one day in September. Additionally, the humidity rises from 71% in September to 81% in December, contributing to the overall cooler and wetter feel of the later month. For a more detailed overview, you can check out the Monchique weather in December.

Compare Monchique's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Monchique

In September, Monchique experiences a transition into autumn, bringing milder temperatures and significantly less rain compared to the summer months. With an average temperature of around 22°C (73°F), it offers a comfortable climate that is ideal for outdoor activities while still allowing for plenty of sunshine. Humidity levels remain relatively high at 71%, yet the single day of precipitation adds a refreshing touch to the landscape. This month stands out for its pleasant evenings, contrasting sharply with the sweltering heat experienced during peak summer. To learn more about how September weather fits into the annual climate of this beautiful region, visit Monchique Climate.