September Weather in Goaes, Portugal

Last updated: February 24, 2025

Experience the delightful September weather in Goes, Portugal, where temperatures can soar to a maximum of 32°C (89°F), while the average settles nicely around 18°C (64°F). With a minimum dip to 5°C (42°F) during the cooler nights, it offers a pleasant contrast perfect for cozy evenings. Expect around 66 mm (2.6 in) of rainfall, typically spread across 7 days, making it an ideal time to enjoy the vibrant autumn scenery. The air is invigorating, with an average humidity of 71%, contributing to a refreshing atmosphere that beautifully complements the region's charm.

September Temperature in Goaes

In September, Goaes experiences a pleasant transition from summer to autumn, with temperatures reflecting this shift. The minimum temperature hovers around 5°C (42°F), offering a comfortable start to the day, while the average climbs to a moderate 18°C (64°F). As the sun rises higher, the maximum temperatures reach a warm 32°C (89°F), reminiscent of the warmer months preceding it. This pattern showcases a gentle cooling trend as the year progresses, inviting visitors to enjoy the last rays of summer sunshine without the intense heat of August. Overall, September in Goaes presents a perfect blend of warmth and mildness, ideal for outdoor adventures and exploration.

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

The chart illustrates September temperature patterns in Goaes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434749525962676764574946
Data source: Temperature data for Goaes 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 Goaes

September in Goaes, Portugal, marks a subtle transition from the drier summer months to the wetter autumn season. With an average precipitation of 66 mm (2.6 in) over 7 days, it serves as a gentle prelude to the heavier rains that characterize the following months. This increase from the minuscule 36 mm (1.4 in) in July and a mere 39 mm (1.5 in) in August illustrates a notable shift, as the region begins to welcome the replenishing showers that support its lush landscapes. As the month progresses, the rhythmic return of rain lays the groundwork for the more abundant precipitation expected in October and November, ultimately enriching both the local environment and its agricultural vitality.

September Precipitation Trends in Goaes

The chart displays monthly precipitation patterns in Goaes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec15523021117212377363966173232299
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Goaes

In September, Goaes, Portugal experiences a humidity level of 71%, marking a slight increase from the drier summer months of July and August, which saw humidity drop to 63% and 64% respectively. This gentle rise signals the transition into autumn, where humidity levels begin to shift upwards again. Interestingly, this month’s humidity is relatively moderate compared to the winter and early spring months—peaking at a high of 87% in January and December. The trend reveals that while September offers a reprieve from the sweltering heat, it still maintains a comfortable atmosphere, making it an appealing time for visitors looking to enjoy the fading warmth of late summer without the oppressive stickiness typical of other Mediterranean climates.

September Average Humidity in Goaes

This chart illustrates the average monthly humidity levels in Goaes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Goaes

As summer transitions into autumn, the September UV Index in Goaes, Portugal remains at a very high level of 8, indicating a strong need for sun protection during outdoor activities. This follows a trend observed throughout the summer months, where the index peaked at a startling 11 in June and consistently hovered between 9 and 10 in July and August. The exposure category in September still warns of potential risks, offering a burn time of just 15 minutes for unprotected skin, similar to the preceding months but showing a slight ease compared to the extreme levels of summer. As temperatures begin to cool and the sun loses some of its intensity, it's crucial to remain vigilant about UV exposure. For more detailed information on UV levels throughout the year, visit Goaes UV Index.

Maximum UV Index Levels in Goaes for September

The chart shows the monthly maximum UV Index (UVI) for Goaes 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.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098642
Data source: Goaes 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 Goaes

September in Goaes, Portugal, wraps up the summer season, boasting 345 hours of sunshine—a delightful blend of warmth and light that lingers on from the vibrant summer months. This period sees a slight decline from the sun-drenched peak of 427 hours in July, yet it still shines brighter than the colder months ahead. Notably, September continues to enjoy abundant sunshine as it transitions into fall, following August's 396 hours. This gradual tapering of sunlight hints at the approaching winter, as the average daylight hours dip down to 300 in October. Visitors to Goaes can relish in the lasting sunshine of September, making it a perfect time to embrace the region's natural beauty before the sun retreats for the year.

Monthly Sunshine Duration in Goaes: September Highlighted

The September sunshine duration represents the total number of hours Goaes 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h203h280h342h401h403h427h396h345h300h202h171h
Data source: Goaes September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Goaes During September

In Goaes, Portugal, September presents a moderate likelihood of sunny weather, with a 36% chance of sunshine. This month shows a slight dip compared to the sunniest summer months of July and August, where the chances peak at 53% and 68% respectively. As summer transitions into autumn, September reflects similar trends to April and May, suggesting that while sunshine is still possible, it becomes less reliable than during the high summer. With the weather slowly shifting towards the cooler months, visitors can anticipate some sunny days amidst the increasing variability, making it wise to prepare for both sun and clouds.

Percentage of Sunny Days in September in Goaes

The chart illustrates the percentage of sunny days in Goaes 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 Goaes experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%13%55%35%40%53%54%68%36%43%59%29%
Data source: Goaes September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Goaes in September

In September, Goaes, Portugal experiences a delightful balance of daylight, with approximately 12 hours of sunshine illuminating the day's activities. This month marks the subtle transition from the long, sun-soaked days of summer, peaking in June with 15 hours of daylight, towards the shorter, cozier months of autumn. As the year progresses from January's 9 hours to September's 12, one can observe a gentle ebb and flow in daylight duration. This gradual decline continues into October, leading to the winter months where daylight shrinks back to 9 hours in both November and December. September, therefore, stands as a beautiful bridge between the vibrant energy of summer and the tranquil embrace of fall, making it a perfect time to enjoy the outdoors before the days grow shorter.

Average Daylight Hours in Goaes for September

The chart illustrates the variation in daylight duration in Goaes throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 31m10h 36m11h 57m13h 21m14h 32m15h 7m14h 48m13h 46m12h 25m11h 2m9h 49m9h 11m
Data source: Goaes daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Goaes

As summer transitions into autumn in Goaes, Portugal, September welcomes a gentle breeze with an average wind speed of 2.1 m/s (5 mph). This slight increase from the low of 1.9 m/s in both August and April signifies a subtle shift in the coastal climate, marking the onset of a refreshing change. This consistent wind pattern throughout the year suggests a coast that remains pleasantly breezy, with only modest fluctuations in speed. As the months progress, an encouraging uptick to 2.3 m/s in November and 2.7 m/s in December hints at the invigorating winds that accompany the arrival of winter, making Goaes a delightful destination for those seeking both relaxation and the gentle caress of autumn breezes.

Average September Wind Speed in Goaes

The chart displays monthly wind speed patterns in Goaes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.02.21.92.42.22.21.92.1 m/s2.22.32.7
Data source: Goaes September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Goaes Compares to Other Months

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

September and January present contrasting weather patterns. In September, temperatures vary from a mild 5°C (42°F) at night to a warm 32°C (89°F) during the day, with an average of 18°C (64°F). The month sees moderate rainfall of 66 mm (2.6 in) over about 7 days, coupled with a humidity level of 71%. In stark contrast, January experiences colder temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 20°C (68°F), with an average of 6°C (44°F). This winter month sees significantly higher precipitation at 155 mm (6.1 in) over roughly 9 days and higher humidity at 87%. For a detailed look at the weather in January, visit Goaes weather in January.

September and February present contrasting weather patterns, reflecting the transition between late summer and early spring. In September, temperatures range from a mild 5°C (42°F) at night to a warm 32°C (89°F) during the day, with an average of 18°C (64°F). The month experiences relatively low precipitation at 66 mm (2.6 in) over about 7 days, accompanied by a humidity level of 71%. In stark contrast, February experiences colder temperatures, with nighttime lows plunging to -3°C (27°F) and daytime highs reaching only 22°C (71°F), averaging around 8°C (47°F). It is significantly wetter, with a substantial 230 mm (9.1 in) of rainfall over approximately 13 days, and a higher humidity of 81%. For a closer look at the February weather specifics, you can check Goaes weather in February.

September and March present contrasting weather patterns, reflecting the transition between summer and spring. In September, temperatures range from a mild 5°C (42°F) at night to a warm 32°C (89°F) during the day, with an average of 18°C (64°F). The month experiences moderate rainfall, totaling 66 mm (2.6 in) over about 7 days, and humidity levels hover around 71%. In contrast, March brings cooler temperatures, with nighttime lows dropping to -1°C (30°F) and daytime maxima reaching 24°C (75°F), averaging 9°C (49°F). Precipitation is significantly higher in March, accumulating to 211 mm (8.3 in) across 13 days, accompanied by increased humidity at 78%. For a more detailed look, check out this link: Goaes weather in March.

When comparing the weather in September and April, the differences are striking. September typically enjoys milder temperatures, ranging from a minimum of 5°C (42°F) to a maximum of 32°C (89°F), with an average of 18°C (64°F). In contrast, April experiences cooler conditions, with temperatures dipping down to -1°C (30°F) at night and peaking at 25°C (77°F), averaging around 11°C (53°F). Rainfall patterns also diverge significantly; September sees around 66 mm (2.6 in) over about 7 days, while April is much wetter with a total of 172 mm (6.8 in) spread over 15 days. Additionally, humidity levels are slightly higher in April at 79%, compared to September's 71%. For a closer look at the weather specifics in April, check out Goaes weather in April.

September and May present contrasting weather patterns. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 32°C (89°F), with an average of 18°C (64°F). The month sees about 66 mm (2.6 in) of precipitation over an average of 7 rainy days, and the humidity hovers around 71%. In contrast, May experiences cooler temperatures, with a minimum of 1°C (35°F) and an average of 15°C (59°F), peaking at 30°C (86°F). However, it is wetter, with 123 mm (4.8 in) of precipitation occurring over 11 days, and slightly higher humidity at 78%. For more detailed information on the weather in May, you can check Goaes weather in May.

In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 32°C (89°F), averaging around 18°C (64°F), while June features slightly cooler temperatures with a minimum of 4°C (40°F) and the same maximum of 32°C (90°F), averaging 17°C (62°F). Both months experience quite similar humidity levels at 71%, but September sees slightly less precipitation, totaling 66 mm (2.6 in) over about 7 days, compared to June's 77 mm (3.0 in) over 10 days. This means that while both months offer warm weather, June tends to be slightly wetter. For more detailed information about the weather conditions in June, you can visit Goaes weather in June.

In September, the weather offers a slightly cooler experience compared to July, with minimum temperatures dropping to 5°C (42°F) versus July's 7°C (45°F). Although both months share similar average highs, September's max temperature reaches 32°C (89°F) while July peaks at 33°C (92°F). Precipitation is noticeably higher in September, totaling 66 mm (2.6 in) over 7 days, compared to just 36 mm (1.4 in) in July across 6 days. Additionally, the humidity in September is higher at 71%, creating a more humid feel than the 63% seen in July. For a closer look at the specifics of July weather, check out Goaes weather in July.

In comparing the weather of September to August, we see a notable decrease in temperature as September offers a minimum of 5°C (42°F) and an average of 18°C (64°F), whereas August starts with a higher minimum of 8°C (46°F) and an average of 20°C (67°F). Additionally, September experiences a maximum temperature of 32°C (89°F), which is cooler than August's peak at 36°C (98°F). Precipitation is also more frequent in September, with 66 mm (2.6 in) over 7 days compared to August's 39 mm (1.5 in) across just 4 days. Moreover, September has a slightly higher humidity level at 71% compared to August's 64%. For more details on August weather, check out Goaes weather in August.

In September, the weather is generally warmer with an average temperature of 18°C (64°F) and maximum highs reaching 32°C (89°F), although temperatures dip to a minimum of 5°C (42°F). The month experiences moderate precipitation of 66 mm (2.6 in) over about 7 days, coupled with a humidity level of 71%. In contrast, October sees a drop in average temperatures to 14°C (57°F), with maximums of 29°C (85°F) and chilly lows around 0°C (32°F). The rainfall significantly increases to 173 mm (6.8 in) spread over 12 days, and humidity rises to 79%. For more detailed information, you can visit Goaes weather in October.

September and November present quite contrasting weather conditions. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 32°C (89°F), with an average of 18°C (64°F), accompanied by relatively low precipitation of 66 mm (2.6 in) over 7 days. The humidity is moderate at 71%, making it a pleasant month.

In stark contrast, November experiences colder temperatures, with a minimum dipping down to -2°C (29°F) and an average of only 9°C (49°F). The maximum temperature reaches 21°C (70°F), but the month is characterized by significantly higher rainfall, totaling 232 mm (9.1 in) over 15 days, and increased humidity at 86%. For a detailed look at the weather in November, you can visit Goaes weather in November.

In September, temperatures range from a pleasant minimum of 5°C (42°F) to a warm maximum of 32°C (89°F), with an average of 18°C (64°F). The month typically sees about 66 mm (2.6 in) of precipitation over 7 days, and the humidity hovers around 71%. In contrast, December experiences much colder weather with minimum temperatures dropping to -2°C (29°F), an average of 8°C (47°F), and a maximum of 18°C (64°F). The month is significantly wetter, with 299 mm (11.8 in) of precipitation spread over 17 days and higher humidity at 87%. For more details on December weather, you can visit Goaes weather in December.

Compare Goaes's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Goaes

As September unfolds in Goaes, it marks a transition from the warmth of summer to the cooler embrace of autumn. With an average temperature that sits comfortably at 18°C, this month offers a pleasant reprieve from the sweltering highs that dominate the peak summer months. Unlike the scorching July and August, where temperatures soar, September introduces refreshing breezes and an increased chance of rainfall, totaling 66 mm over about 7 days. This balance of warmth and moisture creates a unique climate, inviting outdoor activities while also splashing the landscape with vibrant greenery. For more insight into how Goaes' weather shapes the seasonal experience, visit Goaes Climate.