September Weather in Cadafais, Portugal

Last updated: February 24, 2025

In Cadafais, Portugal, September experiences a delightful blend of warmth and mildness, with maximum temperatures reaching up to 36°C (96°F) and an enjoyable average of 21°C (70°F). The evenings cool down to a comfortable minimum of 11°C (52°F), providing a pleasant respite from the daytime heat. Rainfall is minimal, totaling just 29 mm (1.1 in) over 3 days, allowing for plenty of sunshine and outdoor activities. With a humidity level of 67%, the weather remains relatively comfortable, making September an ideal time for visitors to embrace the scenic beauty of Cadafais.

September Temperature in Cadafais

In Cadafais, Portugal, September marks a delightful transition from the sweltering summer heat into a milder autumn. With minimum temperatures around 11°C (52°F) and average highs reaching 21°C (70°F), the weather is comfortably warm, making it an ideal time for outdoor activities. While the peak heat of August still lingers, with maximums peaking at 36°C (96°F), the gradual drop in temperatures signals the onset of the cozy fall season. As days shorten and the air cools, visitors can enjoy the vibrant landscapes and a more pleasant atmosphere, perfect for exploring the charming locales of this picturesque region.

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

The chart illustrates September temperature patterns in Cadafais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505456596467707170655753
Data source: Temperature data for Cadafais 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 Cadafais

In September, Cadafais, Portugal, witnesses a gentle transition into autumn, marked by a moderate precipitation of 29 mm (1.1 in) over just three days. This represents an increase from the summer months, where rainfall totals plummeted to their annual lows of only 4 mm in both July and August. As the dry glare of summer fades, September's rainfall begins to pave the way for the wetter autumn months ahead, yet remains relatively light compared to the heavier rains that follow in October and November. This gradual uptick in precipitation creates a refreshing change, subtly reawakening the lush landscapes and preparing the region for the impending seasonal shift.

September Precipitation Trends in Cadafais

The chart displays monthly precipitation patterns in Cadafais, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3752738442125429478460
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cadafais

As summer wanes in Cadafais, Portugal, September ushers in a refreshing change in humidity, averaging 67%. This marks a subtle rise from the drier months of July and August, which saw humidity levels dipping to 60%. The gradual increase in moisture during September hints at the impending transition to autumn, where humidity levels begin to climb once more. The month's humidity is still significantly lower than the winter months, which consistently showcase high humidity levels, peaking at 85% in January and December. Thus, September serves as a bridge between the dry warmth of summer and the more humid embrace of the upcoming fall and winter seasons, making it a unique time to experience Cadafais's changing climate.

September Average Humidity in Cadafais

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

As summer transitions to autumn, September in Cadafais, Portugal still boasts a very high UV Index of 8, with a burn time of just 15 minutes. While slightly lower than the peak summer months of June and July, this level indicates that sun protection remains crucial. Throughout the year, we see a notable trend: the UV Index ramps up as we approach the hotter months, peaking in June with an extreme rating of 11. After a brief decline in August, September maintains high levels of UV radiation, making it essential for residents and visitors alike to stay vigilant against sun exposure. For a complete overview of the UV Index throughout the year, check out Cadafais UV Index.

Maximum UV Index Levels in Cadafais for September

The chart shows the monthly maximum UV Index (UVI) for Cadafais 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.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Cadafais 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 Cadafais

As summer gracefully transitions into early autumn, September in Cadafais, Portugal, offers a delightful blend of warmth and sunshine, boasting 349 hours of sunlight. This month reflects a slight dip from the sun-drenched days of July and August, yet it remains significantly brighter than the early months of the year, such as January with just 181 hours. The consistent upward trend from January through the peak of summer showcases the region’s vibrant climate, with hours of sunshine steadily increasing, peaking in July at 420 hours. While September marks a return to a more temperate rhythm, the lingering warmth and ample sunshine create a perfect backdrop for enjoying the stunning coastal vistas and charming village life, evidencing that the allure of Cadafais is just as enchanting as the seasons shift.

Monthly Sunshine Duration in Cadafais: September Highlighted

The September sunshine duration represents the total number of hours Cadafais 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.
JanFebMarAprMayJunJulAugSepOctNovDec181h228h306h352h408h409h420h395h349h312h232h218h
Data source: Cadafais September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cadafais During September

In Cadafais, Portugal, September marks a delightful transition as the summer sun begins to wane, yet the likelihood of sunny days remains robust at 57%. This is a significant drop from the peak sunshine of July and August, which boast chances of 73% and 74%, respectively. However, September's favorable weather still outshines the earlier months of the year, particularly the chillier spells of January and February, where sunshine dips to 46% and 21%. With autumn approaching, visitors can expect a pleasant blend of warmth and clear skies, making it an ideal time to explore the stunning coastal landscapes before the cooler months set in.

Percentage of Sunny Days in September in Cadafais

The chart illustrates the percentage of sunny days in Cadafais 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 Cadafais experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%21%59%35%54%63%74%74%58%53%67%38%
Data source: Cadafais September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cadafais in September

As summer gently gives way to autumn in Cadafais, Portugal, September offers a delightful blend of daylight with approximately 12 hours of sunshine. This marks a gradual decline from the peak of 14 hours in June through August, signaling the end of the sun-drenched days. The transition into fall introduces a cozy rhythm, where daylight starts to shrink, foreshadowing the shorter days of October and November ahead. Yet, this moderate sunlight continues to illuminate the beautiful landscapes of Cadafais, creating the perfect backdrop for those who wish to savor the last remnants of summer's warmth before the cooler days take hold.

Average Daylight Hours in Cadafais for September

The chart illustrates the variation in daylight duration in Cadafais throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 46m10h 44m11h 58m13h 14m14h 18m14h 50m14h 33m13h 36m12h 23m11h 8m10h 1m9h 28m
Data source: Cadafais daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Cadafais

In Cadafais, Portugal, September greets visitors with a gentle average wind speed of 3.4 m/s (8 mph), marking a notable decrease from the breezier summer months. This slight reduction from August's 4.2 m/s (9 mph) signals the transition into autumn, where the winds soften, making way for a more tranquil atmosphere. Throughout the year, wind speeds often peak during the height of summer, with July reaching 4.7 m/s (11 mph), while the winter months tend to maintain a more subdued pace. As September unfolds, the coastal charm of Cadafais remains magnetic, inviting exploration amidst the shifting shores and whispering winds, creating a captivating blend of relaxation and adventure.

Average September Wind Speed in Cadafais

The chart displays monthly wind speed patterns in Cadafais, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.93.32.74.34.34.74.23.4 m/s3.23.33.9
Data source: Cadafais September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Cadafais Compares to Other Months

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

In September, the weather is characterized by warm temperatures, with a minimum of 11°C (52°F) and a maximum reaching up to 36°C (96°F), making it a month of considerable warmth and sunshine, averaging around 21°C (70°F). The humidity stands at 67%, and the month experiences low precipitation, with just 29 mm (1.1 in) over three days. In contrast, January brings cooler conditions, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 20°C (69°F), resulting in an average of 10°C (50°F). This month sees higher humidity levels at 85%, and slightly more precipitation, totaling 37 mm (1.4 in) over five days. For a detailed look at the climate, check out Cadafais weather in January.

In comparing the weather between September and February, September boasts warmer temperatures with a range that spans from a minimum of 11°C (52°F) to a maximum of 36°C (96°F), averaging around 21°C (70°F). In contrast, February is much cooler, with temperatures ranging from a low of 1°C (35°F) to a high of 25°C (77°F) and an average of 12°C (54°F). While September experiences relatively low precipitation of 29 mm (1.1 in) over just 3 days, February sees a higher rainfall of 52 mm (2.1 in), spread across 7 days. Additionally, February has a slightly higher humidity level at 75% compared to September's 67%. For more detailed insights into February weather, check out Cadafais weather in February.

When comparing the weather in September and March, notable differences emerge in temperature and precipitation patterns. In September, temperatures range from a mild 11°C (52°F) to a scorching 36°C (96°F), with an average of 21°C (70°F), while March sees cooler temperatures with a minimum of 4°C (39°F) and a maximum of 27°C (81°F) and an average of just 13°C (56°F). September is relatively dry, with only 29 mm (1.1 in) of precipitation over 3 days, while March is wetter, receiving 73 mm (2.9 in) across 8 days. The humidity levels are comparable, hovering around 67% in September and slightly higher at 72% in March. For more detailed insights into March weather, check out Cadafais weather in March.

When comparing the weather in September and April, it's evident that September tends to be warmer, with average temperatures around 21°C (70°F) compared to April's average of 15°C (59°F). September can also experience higher maximum temperatures, reaching up to 36°C (96°F), while April's highs cap at 29°C (85°F). Conversely, April sees significantly more precipitation, with a total of 83 mm (3.3 in) spread over 13 days, compared to September's 29 mm (1.1 in) over just 3 days. Both months have similar humidity levels, with September at 67% and April slightly higher at 70%. For a deeper insight into April’s weather specifics, you can check Cadafais weather in April.

In September, the weather typically features a warmer average temperature of 21°C (70°F) compared to May's cooler average of 18°C (65°F). Both months experience similar maximum temperatures, with September reaching up to 36°C (96°F) and May peaking at 36°C (97°F), but September sees slightly lower humidity at 67% compared to May's 70%. Precipitation is more frequent in May, with an average of 42 mm (1.6 in) over 5 days, while September has less rainfall at 29 mm (1.1 in) over just 3 days. For a closer look at May’s weather conditions, you can check Cadafais weather in May.

When comparing the weather in September and June, it's evident that both months experience a range of temperatures, but June generally feels hotter with a maximum temperature reaching up to 41°C (106°F) compared to September's peak of 36°C (96°F). The average temperature in September is slightly warmer at 21°C (70°F) than June’s 19°C (67°F). Additionally, September has more precipitation at 29 mm (1.1 in) across three days, while June receives less rain at 12 mm (0.5 in) over four days. Humidity levels are also comparable, with September at 67% and June slightly lower at 63%. For a detailed look at June weather, you can visit Cadafais weather in June.

In comparing the weather in September and July, both months exhibit a similar average temperature of around 21°C (70°F / 71°F), but their extremes show notable differences. July tends to be hotter, with a maximum temperature reaching 39°C (103°F), compared to September's peak of 36°C (96°F). Additionally, July experiences significantly less rainfall, with only 5 mm (0.2 in) over just one day, whereas September sees 29 mm (1.1 in) over three days, indicating a wetter climate that month. Humidity levels are also slightly higher in September at 67%, compared to 60% in July. For more detailed insights about July weather, check out Cadafais weather in July.

In comparing the weather between August and September, we can observe notable differences in temperature and precipitation. September sees a slightly cooler average temperature, with a minimum of 11°C (52°F) and a maximum of 36°C (96°F), compared to August's warmer minimum of 14°C (57°F) and scorching maximum of 43°C (110°F). Precipitation levels also increase in September, totaling 29 mm (1.1 in) over three days, while August only records 4 mm (0.2 in) across a single day. Additionally, humidity rises from 60% in August to 67% in September, contributing to a different feel in the air. For more details, you can visit Cadafais weather in August.

September typically enjoys warmer temperatures, with an average of 21°C (70°F) and maximum highs reaching up to 36°C (96°F). Precipitation is relatively low, with only 29 mm (1.1 in) falling over 3 days, and humidity is around 67%. In contrast, October brings cooler weather, with average temperatures dropping to 18°C (65°F) and maximums of 34°C (94°F). Rainfall increases to 47 mm (1.9 in) over 5 days, and humidity rises to 74%, making it feel a bit more humid and rainy. For more details, you can check Cadafais weather in October.

In September, temperatures start to decline from the summer highs, with a range from a minimum of 11°C (52°F) to a maximum of 36°C (96°F) and an average of 21°C (70°F). The month experiences relatively low precipitation, with only 29 mm (1.1 in) over about 3 days, and a humidity level of 67%. In contrast, November sees a noticeable drop in temperature, with minimums dropping to 5°C (41°F) and averages around 14°C (57°F), while the maximum temperature reaches up to 25°C (76°F). This month is much wetter, with 84 mm (3.3 in) of precipitation spread out over 11 days and a higher humidity level of 83%. For more details on the weather in November, check out Cadafais weather in November.

In September, the weather is generally warmer with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 36°C (96°F), averaging around 21°C (70°F). The month sees relatively low precipitation, with about 29 mm (1.1 in) falling over just 3 days, and humidity levels around 67%. In contrast, December brings cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 20°C (68°F), averaging 12°C (54°F). It experiences more frequent rain, totaling 60 mm (2.4 in) spread over 8 days, and higher humidity at 85%. For more detailed insights, you can check out Cadafais weather in December.

Compare Cadafais's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Cadafais

As September graces Cadafais, it brings a delightful transition from the summer heat, with maximum temperatures peaking at around 36°C and average temperatures settling at a comfortable 21°C. Unlike the sweltering days of August, the month registers a modest precipitation amount, typically experiencing just a few rain showers throughout the month. The humidity levels, hovering around 67%, add a slight mugginess but are often bearable. This distinct weather pattern makes September an ideal time to explore the enchanting outdoors. For a deeper understanding of the climate, visit Cadafais Climate.