September Weather in Matosinhos, Portugal

Last updated: February 24, 2025

Matosinhos, Portugal, in September offers a delightful blend of warmth and mildness, with maximum temperatures reaching 30°C (86°F) and an average around 19°C (67°F). While the minimum dips to 13°C (55°F), the weather remains inviting for outdoor activities. This month sees 33 mm (1.3 in) of rain spread across approximately 6 days, maintaining a comfortable humidity level of 71%. Visitors can enjoy pleasant days under the sun, making it a perfect time to explore the coastal beauty and vibrant culture of this charming region.

September Temperature in Matosinhos

In September, Matosinhos, Portugal, experiences a delightful transition as summer bids farewell and autumn begins to make its presence felt. With temperatures ranging from a minimum of 13°C (55°F) to a comfortable maximum of 30°C (86°F), the month showcases an inviting average of 19°C (67°F). This blend of warmth and gradually cooling evenings allows for enjoyable outdoor activities, reflecting a perfect time for beach lovers and sun-seekers to relish the lingering warmth before autumn sets in. As the average temperature starts to dip from the high summer figures seen in August, September offers a pleasant backdrop for enjoying the stunning coastal charm of Matosinhos, making it an enticing destination this time of year.

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

The chart illustrates September temperature patterns in Matosinhos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec515455586264686867635754
Data source: Temperature data for Matosinhos 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 Matosinhos

September in Matosinhos, Portugal, marks a transitional phase, where the summer's dry spell begins to gently wane. With 33 mm (1.3 in) of precipitation spread over 6 days, it's evident that the area starts to welcome a hint of autumn's arrival. This modest increase from the preceding months—marked by just 17 mm (0.7 in) of rain in both July and August—signals a shift in weather patterns. As the region moves into October, where average precipitation jumps to 111 mm (4.4 in) across 10 days, September serves as a gentle prelude to the wetter season ahead. This pattern illustrates how rainfall gradually intensifies with the transition from summer to fall, paving the way for the lush, revitalizing rains that follow.

September Precipitation Trends in Matosinhos

The chart displays monthly precipitation patterns in Matosinhos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec811141211307141181733111144161
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Matosinhos

In September, Matosinhos experiences a humidity level of 71%, which marks a notable shift as summer fades into autumn. This month is characterized by a gradual increase from the drier conditions of July and August, which recorded humidity levels of 63% and 64%, respectively. Interestingly, September serves as a transitional period; while it remains more humid than the peak summer months, it is still less humid than the wetter conditions that follow in October and November, where humidity levels rise to 79% and 86%. This pattern reflects Matosinhos' climate, where humidity tends to peak towards the end of the year, contrasting nicely with the comparatively dry summer season.

September Average Humidity in Matosinhos

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

As summer winds down, September in Matosinhos, Portugal, continues to showcase a notably high UV Index of 8, placing it in the very high exposure category. With a burn time of just 15 minutes, sun safety remains crucial for outdoor enthusiasts and beachgoers. This trend of increasing UV levels as summer peaks reveals how essential it is to remain vigilant against sun exposure, especially after months of similarly elevated indices from May to August. As the sun gradually sets on summer, September's UV levels offer a gentle reminder that protection against harmful rays is still vital. For more detailed insights into UV conditions throughout the year, check out the comprehensive guide at Matosinhos UV Index.

Maximum UV Index Levels in Matosinhos for September

The chart shows the monthly maximum UV Index (UVI) for Matosinhos 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.
JanFebMarAprMayJunJulAugSepOctNovDec2468910998642
Data source: Matosinhos 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 Matosinhos

September in Matosinhos, Portugal, offers a delightful transition from the sun-drenched days of summer to the cooler embrace of autumn. With an impressive total of 347 sun hours, it's clear that September retains much of the summer's charm, though it experiences a gentle decline in daylight compared to the peak months of July (426 hours) and August (394 hours). As the days shorten, visitors can still enjoy a lively coastal atmosphere, making it an ideal time to savor the city's vibrant seafood scene and picturesque beaches without the peak-season crowds. The gradual decrease in sunlight suggests a shift in the season, yet it also underscores the enduring allure of Matosinhos as a sunlit haven, even as summer begins to wane.

Monthly Sunshine Duration in Matosinhos: September Highlighted

The September sunshine duration represents the total number of hours Matosinhos 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.
JanFebMarAprMayJunJulAugSepOctNovDec161h213h291h348h406h407h426h394h347h302h209h188h
Data source: Matosinhos September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Matosinhos During September

In September, the likelihood of sunny weather in Matosinhos, Portugal, holds a moderate charm, with around 46% chance of sunshine. This marks a slight dip from the summer peaks in August, where the sun graces the coast with 63% probability. As the seasons transition into autumn, September maintains a balance by offering more favorable conditions compared to the cooler months ahead, like October and November, which see their chances drop to 41% and 62%, respectively. Overall, while September may not boast the highest sunshine percentages of the year, it still offers a delightful backdrop for lingering late-summer outings and beach visits.

Percentage of Sunny Days in September in Matosinhos

The chart illustrates the percentage of sunny days in Matosinhos 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 Matosinhos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%19%57%42%49%58%58%63%46%41%62%35%
Data source: Matosinhos September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Matosinhos in September

As summer transitions into autumn, September in Matosinhos, Portugal, brings a delightful balance with approximately 12 hours of daylight. This slight decrease from the peak of 15 hours in June signals the gradual shift towards shorter days. While August retains a warm brightness with 13 hours of sunlight, September's reduction reflects the natural rhythm of the seasons, paving the way for October’s 11 hours as the year moves towards winter. The trend showcases how daylight in this coastal town ebbs gently, enveloping the region in a warm, golden glow while hinting at the cozy, intimate evenings ahead.

Average Daylight Hours in Matosinhos for September

The chart illustrates the variation in daylight duration in Matosinhos throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 34m10h 37m11h 57m13h 20m14h 29m15h 4m14h 46m13h 44m12h 25m11h 3m9h 51m9h 14m
Data source: Matosinhos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Matosinhos

In Matosinhos, Portugal, September ushers in a gentle breeze, with an average wind speed of 3.7 m/s (8 mph), marking a subtle decline from the summer months. After the slightly higher winds of July and August, the winds ease as autumn approaches, reflecting a seasonal transition that brings a calmer, more serene atmosphere to the coastal town. This slight decrease also mirrors the pattern seen from spring into the early fall, where March and April saw the lowest wind speeds of the year, while late summer typically enjoys slightly brisker conditions. As the year progresses towards October, September's soft winds provide the perfect backdrop for seaside strolls, blending the lingering warmth of summer with the crisp hints of fall.

Average September Wind Speed in Matosinhos

The chart displays monthly wind speed patterns in Matosinhos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.75.73.63.34.44.54.63.93.7 m/s3.74.05.1
Data source: Matosinhos September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Matosinhos Compares to Other Months

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

September and January showcase distinct weather patterns. In September, temperatures range from a minimum of 13°C (55°F) to a warm maximum of 30°C (86°F), with an average of 19°C (67°F). The month experiences relatively low precipitation at 33 mm (1.3 in) over about 6 days, alongside a humidity level of 71%. In contrast, January sees cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 19°C (67°F), averaging just 11°C (52°F). The month is wetter, accumulating 81 mm (3.2 in) of rainfall over 9 days, along with higher humidity at 87%. For more detailed information on January weather, you can visit Matosinhos weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a mild 13°C (55°F) to a warm 30°C (86°F), with an average of 19°C (67°F), and relatively low precipitation of 33 mm (1.3 in) over about 6 days. The humidity sits at a comfortable 71%. In contrast, February experiences cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 20°C (68°F), averaging just 12°C (54°F). The month is significantly wetter, with 114 mm (4.5 in) of rain falling over 11 days, and the humidity rising to 81%. For more detailed information, you can refer to Matosinhos weather in February.

In comparing September and March weather, September enjoys milder temperatures, ranging from a minimum of 13°C (55°F) to a maximum of 30°C (86°F), with an average of 19°C (67°F). It experiences relatively low precipitation at 33 mm (1.3 in) over six days, resulting in a humidity level of 71%. In contrast, March is cooler, with temperatures varying from a minimum of 5°C (42°F) to a maximum of 23°C (74°F), averaging just 13°C (55°F). However, it is much wetter, receiving 121 mm (4.7 in) of rain across 11 days and maintaining a higher humidity level of 78%. For more detailed insights into the weather during this month, check Matosinhos weather in March.

September typically offers warmer conditions compared to April, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 30°C (86°F). This pleasant month sees relatively low precipitation at 33 mm (1.3 in) over about 6 days, making it a drier choice for outdoor activities. In contrast, April experiences cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 25°C (78°F). This month is notably wetter, receiving around 130 mm (5.1 in) of rain across approximately 12 days, and the humidity levels are slightly higher at 79%. For more details on the specific weather patterns, you can check Matosinhos weather in April.

In comparing the weather between September and May, September tends to be warmer, with average temperatures reaching 19°C (67°F) and maximums of up to 30°C (86°F). Conversely, May is cooler, with an average temperature of 17°C (63°F) and maximums around 28°C (82°F). Precipitation is more frequent in May, with about 71 mm (2.8 in) over 8 days, compared to September's 33 mm (1.3 in) over just 6 days. Additionally, humidity levels are slightly higher in May at 78%, compared to September's 71%. For a closer look at the weather specifics in May, you can check Matosinhos weather in May.

In comparing the weather of September and June, both months showcase mild temperatures and similar humidity levels, averaging around 71%. September tends to be slightly warmer, with a minimum temperature of 13°C (55°F) and a maximum of 30°C (86°F), whereas June has slightly cooler averages, ranging from 12°C (54°F) to a maximum of 28°C (83°F). Precipitation is also noteworthy, with September receiving 33 mm (1.3 in) over approximately 6 days, compared to June's 40 mm (1.6 in) over 8 days. Overall, while both months offer pleasant weather, September generally provides warmer conditions. For more details, check out this link: Matosinhos weather in June.

In comparing the weather of September and July, we can observe a slight increase in overall temperatures in July, with an average of 20°C (68°F) compared to September's 19°C (67°F). July also has a marginally higher minimum temperature of 14°C (57°F) versus September's 13°C (55°F) and a maximum that is similar at 29°C (85°F) in July and 30°C (86°F) in September. However, September experiences more precipitation, with 33 mm (1.3 in) over 6 days, compared to July's 18 mm (0.7 in) over just 3 days. Additionally, September tends to be more humid, with humidity levels around 71% compared to 63% in July. For a more detailed look at July weather, visit Matosinhos weather in July.

In comparing the weather between August and September, September shows a slight decrease in minimum temperatures, with averages hovering around 19°C (67°F) as opposed to August's 20°C (68°F). Both months experience similar maximum temperatures, reaching up to 30°C (86°F) in September and 30°C (87°F) in August. However, September is characterized by increased precipitation, totaling 33 mm (1.3 in) over 6 days, compared to only 17 mm (0.7 in) over 3 days in August. Additionally, September has a higher humidity level at 71%, while August maintains a lower 64%. For more detailed information, you can refer to Matosinhos weather in August.

September's weather is generally warmer, with average temperatures around 19°C (67°F) and maximums reaching 30°C (86°F), while October sees a drop in temperatures, averaging 17°C (63°F) and peaking at 27°C (81°F). Additionally, October tends to be wetter, experiencing 111 mm (4.4 in) of precipitation over 10 days, compared to September's 33 mm (1.3 in) spread across 6 days. The humidity also rises slightly from 71% in September to 79% in October, contributing to a more clammy atmosphere. For more detailed information, you can check Matosinhos weather in October.

In September, the weather is typically warmer, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 30°C (86°F), making it a comfortable month for outdoor activities. Precipitation is relatively low at 33 mm (1.3 in) over about 6 days, and humidity sits at 71%. In contrast, November experiences cooler temperatures, with averages dropping to a minimum of 8°C (46°F) and a maximum of 20°C (68°F). This month is also much wetter, with 144 mm (5.7 in) of rain over 14 days and higher humidity levels at 86%. For more details on weather conditions in November, check out Matosinhos weather in November.

September and December in Matosinhos present a striking contrast in weather patterns. In September, temperatures are generally milder, with averages around 19°C (67°F) and a maximum of 30°C (86°F), accompanied by relatively low precipitation of 33 mm (1.3 in) over just 6 days. By December, the climate shifts significantly; average temperatures drop to 12°C (54°F), peaking at 18°C (64°F), while precipitation rises dramatically to 161 mm (6.3 in) spread across 15 days. Throughout December, humidity levels also increase, reaching 87%, compared to 71% in September. For a more detailed look at the December weather in Matosinhos, you can visit Matosinhos weather in December.

Compare Matosinhos's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Matosinhos

As September rolls in, Matosinhos experiences a transition from the warmth of summer to the more temperate conditions of autumn. This month boasts pleasantly warm days, where temperatures can reach as high as 30°C, offering a perfect opportunity to enjoy the coastline before cooler days set in. The average temperature settles at a comfortable 19°C, making it ideal for both outdoor activities and relaxing evenings. While precipitation increases slightly with an average of 33 mm over just six days, the overall humidity remains manageable at 71%, ensuring that visitors can still revel in the enchanting charm of the area. For those curious about how September weather compares to other months, you can find more details at Matosinhos Climate.