September Weather in Comporta, Portugal

Last updated: February 24, 2025

In Comporta, Portugal, September offers a delightful blend of warm temperatures and refreshing breezes. With maximum highs reaching 33°C (92°F) and an average temperature of 21°C (70°F), it’s an idyllic time for outdoor activities. The climate showcases a comfortable minimum of 13°C (55°F) at night, inviting peaceful evenings under the stars. Rainfall is minimal, with only 18 mm (0.7 in) spread across just 3 rain days, resulting in predominantly sunny skies. Additionally, the humidity level sits at a pleasant 67%, enhancing the overall experience of this charming coastal destination.

September Temperature in Comporta

In September, the charming coastal town of Comporta, Portugal transitions into a comforting late-summer vibe, offering a delightful combination of warm temperatures and gentle breezes. With minimums around 13°C (55°F) and averages peaking at 21°C (70°F), the weather remains pleasantly mild. Daytime highs can reach up to 33°C (92°F), ensuring plenty of sunshine for outdoor activities. Compared to the sweltering heights of August, September presents a subtle cooling, making it an ideal time for beach lovers and nature enthusiasts alike to explore the lush surroundings without the summer crowds. As autumn approaches, the refreshing temperatures create a serene backdrop, perfect for savoring the region's beauty.

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

The chart illustrates September temperature patterns in Comporta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec525557596568717270665855
Data source: Temperature data for Comporta 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 Comporta

In September, Comporta, Portugal, experiences a slight uptick in precipitation, recording 18 mm (0.7 in) over 3 days. This marks a transition from the dry summer months of July and August, which saw minimal rainfall of only 5 mm (0.2 in) and 3 mm (0.1 in)**, respectively. As the region bids farewell to the warmest months, September's modest rain hinting at the onset of autumn suggests a gradual shift in climate. Interestingly, the increase in precipitation foreshadows a more substantial rise in October, where the monthly average climbs to 41 mm (1.6 in). This trend underscores a seasonally dynamic weather pattern, where Comporta gracefully welcomes relief from summer dryness while gearing up for the wetter months ahead.

September Precipitation Trends in Comporta

The chart displays monthly precipitation patterns in Comporta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec345678713795318416756
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Comporta

In September, Comporta, Portugal experiences a noticeable shift in humidity, settling at a comfortable 67%. This marks a transition from the summer months, where humidity levels hovered around 60% in July and August, providing a refreshing change as the heat begins to wane. As autumn approaches, humidity gradually rises, preparing the region for the wetter months ahead, with levels increasing to 74% in October. This trend is characteristic of the seasonal cycle in Comporta, where the dampness starts to creep back in as the year draws to a close, highlighted by the higher levels of 83% in November and 85% in December. September serves as a bridge between the dry summer and the more humid fall, making it an intriguing month for visitors seeking comfortable weather.

September Average Humidity in Comporta

This chart illustrates the average monthly humidity levels in Comporta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Comporta

In September, Comporta, Portugal experiences a UV Index of 8, categorized as very high. This suggests that sun exposure can be quite intense, with a burn time of just 15 minutes for those with fair skin. Following the peak summer months, where the UV Index consistently soared to 11 in June and 10 in July, September marks a slight decline yet remains a month where caution is advised. As autumn approaches, it's essential for outdoor enthusiasts and sun seekers to stay vigilant about sun safety to enjoy the beautiful coastal scenery without the risk of overexposure. For detailed insights on the UV Index throughout the year, visit Comporta UV Index.

Maximum UV Index Levels in Comporta for September

The chart shows the monthly maximum UV Index (UVI) for Comporta 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.
JanFebMarAprMayJunJulAugSepOctNovDec35699111098643
Data source: Comporta 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 Comporta

As summer begins to fade, September in Comporta, Portugal still basks in a warm glow, with 348 hours of sunshine illuminating the landscape. This month stands as a lovely transition, not only retaining a notable amount of sunny hours but also offering a gentle retreat from the intense heat of July and August, which top the sunshine charts at 423 and 396 hours, respectively. The sunlight slowly begins to taper off as autumn approaches, with October and November following suit, showcasing 313 hours and 230 hours respectively. This trend emphasizes Comporta’s charm—a sun-drenched paradise that slowly shifts into a cooler, yet equally enchanting, fall season.

Monthly Sunshine Duration in Comporta: September Highlighted

The September sunshine duration represents the total number of hours Comporta 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.
JanFebMarAprMayJunJulAugSepOctNovDec182h225h299h352h405h409h423h396h348h313h230h217h
Data source: Comporta September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Comporta During September

As summer transitions into autumn, September in Comporta, Portugal, boasts a 63% chance of sunny weather, making it one of the most favorable months for sunshine. This period follows a peak in sunny days during the summer months, particularly July and August, which enjoy an impressive 79% and 78% chance of bright skies, respectively. Although September witnesses a slight dip in sunshine likelihood compared to the summer peak, it remains significantly higher than earlier months like January and February. This trend indicates that visitors can still relish abundant sunshine as they celebrate the tail end of summer, especially when compared to the more unpredictable October and November.

Percentage of Sunny Days in September in Comporta

The chart illustrates the percentage of sunny days in Comporta 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 Comporta experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%22%61%38%58%72%79%78%63%55%69%42%
Data source: Comporta September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Comporta in September

In Comporta, Portugal, September marks a gradual transition from the long sun-drenched days of summer to the shorter daylight hours of autumn. With 12 hours of daylight, it beautifully balances the lingering warmth of late summer while foreshadowing the cozy days of fall. This reduction in daylight, from a peak of 14 hours in June through August, signifies a shift as the sun begins to set earlier, inviting evenings filled with the soft glow of twilight. As the month unfolds, the days gradually shorten, hinting at the upcoming months of 10 hours in October and further dwindling light, yet September still offers ample opportunity to relish the vibrant colors of nature and the pleasant warmth of the Mediterranean sun.

Average Daylight Hours in Comporta for September

The chart illustrates the variation in daylight duration in Comporta throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 49m10h 45m11h 58m13h 12m14h 15m14h 46m14h 30m13h 34m12h 23m11h 9m10h 4m9h 31m
Data source: Comporta daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Comporta

As summer fades, September in Comporta, Portugal, ushers in a gentle transition marked by a decrease in wind speed, averaging around 3.5 m/s (8 mph). This subtle shift aligns with the slightly calmer breezes seen in April and matches the conditions of October and November, suggesting a consistent trend towards stillness as autumn approaches. Interestingly, the wind speeds experienced during September are comparable to the earlier spring months, reinforcing the seasonal rhythm. Overall, this month offers a tranquil atmosphere, perfect for enjoying the natural beauty of Comporta's landscapes without the intensity of the summer winds.

Average September Wind Speed in Comporta

The chart displays monthly wind speed patterns in Comporta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.33.53.14.44.34.64.13.5 m/s3.53.54.0
Data source: Comporta September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Comporta Compares to Other Months

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

September generally offers warmer temperatures compared to January, with average highs reaching up to 33°C (92°F) and minimal precipitation of just 18 mm over three days. In contrast, January sees significantly cooler temperatures, with averages around 11°C (52°F) and higher precipitation levels at 34 mm over four days. Additionally, January experiences greater humidity at 85%, compared to September's 67%. For more detailed information, you can check Comporta weather in January.

In September, temperatures are generally warm, with a minimum of 13°C (55°F) and an average of 21°C (70°F), rising to a maximum of 33°C (92°F). The month has relatively low precipitation, measuring only 18 mm (0.7 in) over three days, and humidity levels around 67%. In contrast, February offers much cooler conditions, with temperatures ranging from a minimum of 3°C (38°F) to an average of 13°C (55°F), peaking at 24°C (76°F). This month experiences higher precipitation at 56 mm (2.2 in) over six days, coupled with slightly higher humidity levels at 75%. For more detailed insights, check out the climate specifics at Comporta weather in February.

In September, the weather tends to be much warmer, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 33°C (92°F) and an average of 21°C (70°F). This month sees relatively low precipitation of just 18 mm (0.7 in) over approximately 3 days, with humidity around 67%. In contrast, March offers cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 26°C (79°F), averaging 14°C (57°F). However, it is much wetter during this time, with 78 mm (3.1 in) of precipitation spread over about 8 days and slightly higher humidity at 72%. For a more detailed look at the weather specifics, you can check Comporta weather in March.

The weather in September typically features warmer temperatures, with a minimum of 13°C (55°F) and an average of 21°C (70°F), peaking at a maximum of 33°C (92°F). This month also sees relatively low precipitation, with just 18 mm (0.7 in) over about 3 days and a humidity level of 67%. In contrast, April offers cooler conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 26°C (79°F) and an average of 15°C (60°F). However, it is much wetter, receiving 71 mm (2.8 in) of rain spread over 12 days, while the humidity remains similar at 70%. For more details, check out Comporta weather in April.

In comparing the weather of September and May, we see some notable differences. September typically features a minimum temperature of 13°C (55°F) and average highs reaching 33°C (92°F), while May has cooler temperatures with a minimum of 9°C (48°F) and an average high of 34°C (93°F). Precipitation in September is relatively low at 18 mm (0.7 in) over 3 days, compared to May's higher amount of 37 mm (1.5 in) over 5 days. Humidity levels hover around 67% in September and slightly higher at 70% in May, giving both months a bit of a humid feel. For more detailed insights, check out Comporta weather in May.

September and June present distinct yet pleasant weather characteristics. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 33°C (92°F), with an average of 21°C (70°F). The month experiences a bit more humidity at 67% and slightly higher precipitation of 18 mm (0.7 in) over three days. In contrast, June typically feels a bit cooler overall, with minimum temperatures around 11°C (52°F) and maximums reaching 35°C (96°F), while averaging 20°C (68°F). There is less rainfall during June, amounting to only 9 mm (0.3 in) over the same three days, and it has slightly lower humidity at 63%. For a more detailed look at the weather specifics, you can check Comporta weather in June.

In comparing the weather of July and September, July generally features slightly warmer temperatures, with an average of 22°C (71°F) and a maximum reaching up to 35°C (96°F), while September sees average temperatures around 21°C (70°F) and maximums of 33°C (92°F). Precipitation levels also differ, with July receiving only 5 mm (0.2 in) over just 1 day, compared to September's 18 mm (0.7 in) over 3 days, indicating a more humid and wetter end to the summer season. Additionally, relative humidity in July averages at 60%, while September is notably more humid at 67%. For more details on July's weather, visit Comporta weather in July.

In comparing the weather of September to that of August, we observe a slight cooling trend and an increase in humidity. September experiences minimum temperatures of 13°C (55°F) and a maximum of 33°C (92°F), while August is warmer, with minimums at 15°C (59°F) and highs reaching up to 39°C (102°F). Precipitation in September is slightly higher, with 18 mm (0.7 in) over 3 days, compared to a mere 3 mm (0.1 in) over just 1 day in August. Additionally, the humidity rises from 60% in August to 67% in September, making the latter feel a bit more tropical. For a more detailed overview of August's weather conditions, you can visit Comporta weather in August.

In September, the weather features warmer temperatures, with a minimum of 13°C (55°F) and an average of 21°C (70°F), peaking at a maximum of 33°C (92°F). The month experiences relatively low precipitation at 18 mm (0.7 in) over 3 days and a humidity level of 67%. In contrast, October brings cooler temperatures, with a minimum of 8°C (47°F) and an average of 19°C (66°F), while the maximum dips slightly to 32°C (89°F). Precipitation increases to 41 mm (1.6 in) over 4 days, and humidity rises to 74%. For more detailed insights, check Comporta weather in October.

In September, weather conditions are generally warmer, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 33°C (92°F) and an average of 21°C (70°F). The month sees low precipitation levels, with just 18 mm (0.7 in) of rain falling over about 3 days and a humidity level of 67%. In contrast, November experiences cooler temperatures, with minimums dropping to 6°C (44°F) and maximums up to 24°C (75°F), averaging 15°C (59°F). However, it also brings significantly higher precipitation, totaling 67 mm (2.6 in) over about 10 days and an increase in humidity to 83%. For more detailed insights into November weather, you can check out Comporta weather in November.

September's weather is generally warmer and drier compared to December. With minimum temperatures around 13°C (55°F) and average highs reaching 33°C (92°F), September often feels quite summer-like. In contrast, December experiences much cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 20°C (67°F), bringing a significant drop in warmth. Additionally, December sees more precipitation, with 56 mm (2.2 in) spread over 8 days, while September averages only 18 mm (0.7 in) over 3 days. The humidity also rises in December to 85%, compared to 67% in September. For more details on December weather, check out Comporta weather in December.

Compare Comporta's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Comporta

As summer transitions into autumn, September in Comporta offers a delightful blend of warm temperatures and refreshing breezes. Unlike the peak heat of July and August, the month sees a slight dip in max temperatures while maintaining a comfortable average, perfect for those looking to enjoy the outdoors. With only a few rainy days and moderate humidity, this month creates an ideal atmosphere for beachgoers and nature enthusiasts alike. If you're planning a visit, don’t miss the chance to experience this beautiful season—discover more about the region's climate by checking out Comporta Climate.