September Weather in Porto Moniz, Portugal

Last updated: February 24, 2025

September in Porto Moniz, Portugal offers a delightful climate, perfect for enjoying the stunning landscapes. With maximum temperatures reaching 25°C (77°F) and an average of 21°C (71°F), visitors can expect pleasantly warm days. The minimum temperature settles at a comfortable 19°C (66°F), ideal for evenings out. Although September sees a modest precipitation of 12 mm (0.5 in) spread over just two days, humidity levels hover around 81%, creating a refreshing coastal atmosphere. Whether you're exploring the natural swimming pools or hiking trails, the weather ensures an inviting experience in this picturesque region.

September Temperature in Porto Moniz

In September, Porto Moniz, Portugal, enjoys a delightful blend of warm temperatures and refreshing coastal breezes. With minimum temperatures hovering around 19°C (66°F) and averaging 21°C (71°F), the weather is inviting for outdoor adventures. The maximum temperatures peak at a comfortable 25°C (77°F), making it ideal for beachgoers and explorers alike. This marks a smooth transition from the warm summer months, where July and August reach similar highs, yet September offers slightly cooler evenings that enhance its charm. As the summer crowds begin to wane, visitors can relish the beauty of this vibrant coastal town in more tranquil surroundings while enjoying the pleasant climate before autumn sets in.

September Weather in Porto Moniz: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Porto Moniz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec616060616366697170696563
Data source: Temperature data for Porto Moniz 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 Porto Moniz

In September, Porto Moniz experiences a slight uptick in rainfall compared to the summer months, with 12 mm (0.5 in) of precipitation spread over just 2 days. This marks a notable shift from the dry July and August, which recorded minimal rainfall, each only receiving 3 mm (0.1 in) throughout the entire month. As the region transitions into autumn, September serves as a gentle reminder of the wetter months ahead, where precipitation will increase significantly, peaking in November and December. This gradual shift not only enhances the lush vegetation of the area but also prepares the landscape for the vibrant beauty that accompanies the autumn rains.

September Precipitation Trends in Porto Moniz

The chart displays monthly precipitation patterns in Porto Moniz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3765655621283312427277
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Porto Moniz

In September, Porto Moniz experiences a slight dip in humidity with levels at 81%, following the peak months of July and August, which both recorded 83%. This mid-to-late summer trend reflects a gradual decrease from the highest humidity, as the region transitions into autumn. Interestingly, throughout the year, a pattern emerges: humidity tends to hover around the mid-70s during the winter months, often climbing to the low 80s in the warmer seasons. The rise in humidity from June onward highlights the region's tropical charm, making September a notably comfortable time to enjoy Porto Moniz's lush landscapes before the moisture tapers off into the cooler months ahead.

September Average Humidity in Porto Moniz

This chart illustrates the average monthly humidity levels in Porto Moniz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%78%78%77%80%83%83%81%80%75%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Porto Moniz

As summer gives way to autumn in Porto Moniz, Portugal, the UV Index experiences a notable decline but remains significant in September, clocking in at 10, which falls under the very high exposure category. This slight decrease from the peak summer months still signals the importance of sun safety, as the recommended burn time is around 15 minutes. Following a trend observed from the previous months, where extreme levels dominated with indices of 11 and 12, the transition into September hints at the sun’s gradual retreat, yet vigilance is still essential to protect the skin from harmful rays. As the year unfolds, the UV Index is set to decrease further in October and beyond, transitioning towards more moderate levels. For more detailed insights on sun exposure, check out the Porto Moniz UV Index.

Maximum UV Index Levels in Porto Moniz for September

The chart shows the monthly maximum UV Index (UVI) for Porto Moniz 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.
JanFebMarAprMayJunJulAugSepOctNovDec468101112111110864
Data source: Porto Moniz 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 Porto Moniz

As summer gracefully transitions to autumn, September shines brightly in Porto Moniz, Portugal, offering a remarkable 338 hours of sunshine. This month sees a gentle decline from the sun-drenched heights of July, which boasts the year's peak at 391 hours, yet remains significantly brighter than the winter months. Following the vibrant days of August, September maintains a warm glow, inviting visitors to bask in its lingering warmth before the cooler October settles in with 321 hours. The gradual decrease in daylight hours is a reminder of nature’s rhythm, but it also provides the perfect backdrop for exploring the stunning landscapes and rich culture of this coastal gem. Embrace the golden embrace of Porto Moniz in September, where the sun continues to light up both the sky and your spirit.

Monthly Sunshine Duration in Porto Moniz: September Highlighted

The September sunshine duration represents the total number of hours Porto Moniz 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h244h299h352h373h376h391h380h338h321h260h246h
Data source: Porto Moniz September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Porto Moniz During September

As September arrives in Porto Moniz, Portugal, the likelihood of basking in sunny weather remains relatively promising, with a 59% chance of sunshine. This marks a slight dip from the season's peak in July (81%), but it still holds a considerable advantage over the earlier months of the year. The weather transitions through the summer, emphasizing a trend where brighter days dominate from late spring into early autumn. Although September can bring a mix of clouds and sun, its comfortable temperatures and lingering daylight hours make it a delightful time to enjoy the scenic beauty of this coastal town before autumn sets in.

Percentage of Sunny Days in September in Porto Moniz

The chart illustrates the percentage of sunny days in Porto Moniz 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 Porto Moniz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%51%54%49%57%62%81%78%59%62%52%46%
Data source: Porto Moniz September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Porto Moniz in September

As summer transitions into autumn, September in Porto Moniz, Portugal, showcases a delightful balance of daylight, offering 12 hours of sunshine that invites both exploration and relaxation. This gradual decrease follows the 14 hours enjoyed in June and July, as daylight begins to dwindle with the approach of fall. The month serves as a gentle reminder of the warm evenings of summer while hinting at the shorter days to come. Following September, daylight will further decrease to 11 hours in October, signaling the end of the longer, vibrant days that characterize the warmer months. This rhythm of light and shade beautifully reflects the changing seasons of this picturesque locale.

Average Daylight Hours in Porto Moniz for September

The chart illustrates the variation in daylight duration in Porto Moniz throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 14m11h11h 59m13h13h 51m14h 16m14h 2m13h 17m12h 20m11h 19m10h 27m10h
Data source: Porto Moniz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Porto Moniz

As September rolls into Porto Moniz, the average wind speed settles at 4.4 m/s (10 mph), mirroring the gentle breezes of January. The summer months saw a gradual increase in wind strength, peaking in July at 5.4 m/s (12 mph) before softening slightly as the season transitions. This pattern indicates a notable fluctuation, where winds tend to be more robust in the warmer months, providing an invigorating backdrop for beach-goers and adventurers. As autumn approaches, the winds gradually taper off, reaching their lowest point for the year in October at 4.0 m/s (9 mph), hinting at a calmer atmosphere for visitors looking to explore this enchanting coastal town.

Average September Wind Speed in Porto Moniz

The chart displays monthly wind speed patterns in Porto Moniz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.45.15.14.75.25.35.44.54.4 m/s4.04.55.7
Data source: Porto Moniz September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Porto Moniz Compares to Other Months

The weather in Porto Moniz 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 Porto Moniz and find detailed weather information for every month.

In September, Porto Moniz experiences milder weather, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 25°C (77°F), accompanied by relatively low precipitation of 12 mm (0.5 in) over just 2 days and high humidity at 81%. In contrast, January brings cooler temperatures, with averages between 11°C (52°F) and 21°C (70°F), and more rainfall at 37 mm (1.4 in) spread over 6 days, though the humidity remains slightly lower at 75%. This shift in weather highlights the transition from the warmth of late summer to the cooler, wetter climate of winter. For more details, you can check Porto Moniz weather in January.

In September, the weather is generally warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 25°C (77°F) and only 12 mm of precipitation over about 2 days, accompanied by high humidity levels of 81%. In contrast, February experiences cooler temperatures, with an average ranging from 11°C (52°F) to 21°C (70°F). It is also notably wetter, receiving 65 mm of rain spread over 8 days, while the humidity is slightly lower at 75%. For more detailed insights into the February climate, you can check Porto Moniz weather in February.

In September, the weather is generally warmer and drier, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 25°C (77°F) and only 12 mm (0.5 in) of rainfall spread over just 2 days. The humidity is relatively high at 81%. In contrast, March offers cooler temperatures, with a minimum of 10°C (50°F) and an average of 15°C (60°F), peaking at 22°C (71°F). This month also sees significantly more precipitation, totaling 65 mm (2.6 in) over about 8 days, albeit with slightly lower humidity at 78%. For a closer look at the specific weather conditions in March, you can visit Porto Moniz weather in March.

In comparing the weather between September and April, it's evident that September offers warmer temperatures, with averages reaching around 21°C (71°F) and maximums up to 25°C (77°F). In contrast, April experiences cooler averages of 16°C (61°F) and maximums of only 20°C (68°F). Additionally, September tends to be drier, with only 12 mm (0.5 in) of precipitation over just 2 days, while April sees significantly more rainfall at 56 mm (2.2 in) across 12 days, leading to a somewhat humid atmosphere at 78%. For more detailed insights on weather conditions, you can check Porto Moniz weather in April.

In comparing the weather patterns of September and May, September tends to be warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 25°C (77°F), while May sees cooler temperatures, with a minimum of 14°C (57°F) and a maximum of 23°C (73°F). September also experiences significantly less precipitation, totaling 12 mm (0.5 in) over just 2 days, compared to May's 21 mm (0.8 in) spread across 4 days. Additionally, while humidity levels are relatively high in both months, September's humidity is slightly higher at 81% compared to May's 77%. For more detailed insights into the specific weather in May, you can check out Porto Moniz weather in May.

September typically offers warmer conditions compared to June, with average temperatures reaching 21°C (71°F) and maximums peaking at 25°C (77°F). In contrast, June has a slightly cooler average of 19°C (66°F) and a maximum of 23°C (73°F). While both months experience comparable humidity levels at around 80-81%, September tends to have less precipitation, with only 12 mm (0.5 in) over 2 days, compared to June’s 28 mm (1.1 in) over 3 days. For more details on weather specifics for June, visit Porto Moniz weather in June.

When comparing the weather in September and July, both months showcase mild temperatures, but September tends to be slightly warmer overall. In September, the minimum temperature rests at 19°C (66°F) with an average of 21°C (71°F) and a maximum of 25°C (77°F), while July features a minimum of 18°C (65°F), an average of 20°C (69°F), and a maximum of 26°C (79°F). Precipitation is notably higher in September, with 12 mm (0.5 in) over 2 days, compared to July's dry conditions with only 3 mm (0.1 in) and no rainy days. Humidity levels remain high in both months, with September at 81% and July slightly higher at 83%. For more specific details about July, you can check Porto Moniz weather in July.

In comparing the weather between September and August, we observe that both months maintain a similar temperature range, with September having a minimum of 19°C (66°F) and an average of 21°C (71°F), while August's average temperature is slightly higher at 22°C (71°F). The maximum temperatures for both months are also close, with September reaching up to 25°C (77°F) and August peaking at 26°C (79°F). However, September experiences slightly more precipitation, with 12 mm (0.5 in) falling over 2 days, compared to August's minimal 3 mm (0.1 in) with no rainy days. Humidity levels remain comparable, with September at 81% and August at 83%. For a detailed look at weather patterns, you can explore Porto Moniz weather in August.

September tends to be slightly warmer than October, with average temperatures around 21°C (71°F) compared to October's 20°C (69°F). Both months experience maximum temperatures of 25°C (77°F), but September is more conducive to outdoor activities with only 12 mm of precipitation over just 2 days, while October sees a noticeable increase in rainfall, totaling 42 mm across 6 days. In terms of humidity, September is slightly higher at 81%, compared to October’s 80%. For more details on the weather in October, you can visit Porto Moniz weather in October.

In September, the weather typically features milder temperatures, with averages around 21°C (71°F) and minimal precipitation of just 12 mm over 2 days, resulting in relatively high humidity levels of 81%. In contrast, November sees a drop in minimum temperatures to 12°C (54°F) and an average of 18°C (65°F), accompanied by significantly increased rainfall totaling 72 mm over 10 days, though the humidity lowers slightly to 75%. This shift indicates a transition from the warm, drier conditions of early autumn to the cooler, wetter weather of late fall. For more specific details, you can check Porto Moniz weather in November.

In September, the weather is generally warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 25°C (77°F), combined with relatively low precipitation of just 12 mm (0.5 in) over two days. Humidity levels are quite high at 81%, contributing to a warm and muggy atmosphere. In contrast, December brings cooler temperatures, with averages between 12°C (54°F) and 21°C (70°F), and increased rainfall amounting to 77 mm (3.0 in) spread over eight days. The humidity also decreases slightly to 75%, resulting in a more comfortable but damp climate. For more specific details about the weather in December, you can check Porto Moniz weather in December.

Compare Porto Moniz's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Porto Moniz

As summer transitions into autumn, September in Porto Moniz offers a delightful blend of mild temperatures and lower precipitation, making it a charming time to explore the area. With maximums reaching a comfortable 25°C (77°F) and average temperatures settling around 21°C (71°F), visitors can enjoy pleasant days that are often accompanied by a gentle breeze. Unlike the heavier rains of winter, September sees minimal rainfall, averaging just 12 mm across a couple of days, allowing for ample opportunities to experience the breathtaking landscapes. At 81% humidity, the air remains refreshing, making it an ideal month for outdoor activities and relaxation. For a deeper understanding of what the rest of the year holds, check out the comprehensive guide on Porto Moniz Climate.