September Weather in Senhora do Rosario, Portugal

Last updated: February 24, 2025

September in Senhora do Rosario, Portugal presents a delightful transition into the fall season, characterized by mild temperatures and a moderate level of humidity at 81%. The maximum temperature reaches a pleasant 27°C (82°F), while the average settles at a comfortable 22°C (71°F), and evenings cool down to 17°C (63°F). However, this month also experiences notable precipitation, with 64 mm (2.5 in) of rain falling over approximately 17 days. This blend of warmth and moisture sets the stage for a refreshing and vibrant landscape, perfect for exploring the picturesque charm of this Portuguese locale.

September Temperature in Senhora do Rosario

In Senhora do Rosário, Portugal, September marks a delightful transition towards autumn, with temperatures reflecting the lingering warmth of summer. The month begins with a minimum of 17°C (63°F), providing a comfortable start to the days, while average temperatures settle around 22°C (71°F), perfect for outdoor activities. As the days progress, highs reach up to 27°C (82°F), offering ample opportunities to bask in the late summer sun. Compared to the preceding months, September showcases a slight decrease in maximum temperatures, harmonizing the final days of summer with the upcoming cooler months, making it an ideal time for visitors to enjoy the town’s scenic beauty before autumn sets in.

September Weather in Senhora do Rosario: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Senhora do Rosario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec595758596266707371676361
Data source: Temperature data for Senhora do Rosario 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 Senhora do Rosario

In September, Senhora do Rosário experiences a noticeable uptick in precipitation, receiving 64 mm (2.5 inches) of rain over 17 days. This marks a return to more settled and moisture-laden conditions as the summer heat begins to wane. Compared to the drier months of July and August, where rainfall amounted to just 25 mm (1.0 in) and 48 mm (1.9 in), September's precipitation signals the transition into fall, setting the stage for the wetter months ahead. As October approaches, a more significant increase in rainfall is expected, which historically peaks in the winter months, making September an important turning point in Senhora do Rosário's climate narrative.

September Precipitation Trends in Senhora do Rosario

The chart displays monthly precipitation patterns in Senhora do Rosario, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6478578056442548649287109
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Senhora do Rosario

September in Senhora do Rosario, Portugal, experiences a humidity level of 81%, mirroring the conditions of the preceding summer months. This slight consistency reflects a broader trend as humidity fluctuates gently throughout the year. From January to September, humidity remains relatively high, hovering between 80% and 83%, creating a lush and vibrant atmosphere. As autumn approaches, humidity begins to dip, paving the way for more comfortable conditions in October and November, which typically see lower levels at 79%. December, however, surprises with a resurgence to 84%, hinting at the return of the wetter winter months. Overall, September serves as a transitional period where summer's warmth clings softly before the crispness of fall sets in.

September Average Humidity in Senhora do Rosario

This chart illustrates the average monthly humidity levels in Senhora do Rosario, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%82%83%81%82%83%81%81%79%79%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Senhora do Rosario

As summer transitions to autumn in Senhora do Rosario, September maintains a very high UV Index of 9, indicative of the lingering warmth and sunshine. However, there's a notable shift from the peak of summer, where UV levels soared to an extreme 11 in June. With burn times reducing to 15 minutes, it remains crucial for residents and visitors alike to protect themselves from the sun’s potent rays, as the exposure category still demands caution. This month reflects a gradual decline in UV exposure, foreshadowing the milder conditions of October. To stay informed about the UV Index and plan your outdoor activities safely, check out the latest updates here: Senhora do Rosario UV Index.

Maximum UV Index Levels in Senhora do Rosario for September

The chart shows the monthly maximum UV Index (UVI) for Senhora do Rosario 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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109743
Data source: Senhora do Rosario 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 Senhora do Rosario

In Senhora do Rosario, Portugal, September shines brightly with a commendable 323 hours of sunshine, marking a slight decline from the summer peak of 379 hours in July. This month encapsulates the lingering warmth of summer, as daylight begins to fade into autumn's embrace. The trend observed through the year shows a gradual increase in sunshine hours from the dreary winter months, where January starts at a modest 152 hours, peaking dramatically in the heart of summer. As fall approaches, September's golden days still command a substantial amount of sunlight, hinting at the vibrant energy that characterizes this beautiful coastal town before the sun retreats into the shorter days of October. With each passing month, the ebb and flow of sunlight creates a unique tapestry of seasonal changes, inviting visitors to experience the beauty of Senhora do Rosario in all its radiant glory.

Monthly Sunshine Duration in Senhora do Rosario: September Highlighted

The September sunshine duration represents the total number of hours Senhora do Rosario 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.
JanFebMarAprMayJunJulAugSepOctNovDec152h198h274h294h339h360h379h361h323h273h222h208h
Data source: Senhora do Rosario September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Senhora do Rosario During September

September in Senhora do Rosario, Portugal, offers a promising chance of sunshine, with a 44% likelihood of clear days. This month stands out as a peak time for sunny weather, following the warm embrace of August, which boasts a 50% chance of sun. As the summer warmth begins to ease, September retains a commendable level of sunshine compared to earlier months like January and March, where the chances drop to a mere 19% and 18%, respectively. This upward trend in sunshine from the summer months into September makes it an ideal time for outdoor activities, ensuring that visitors can still soak in the sun before autumn settles in.

Percentage of Sunny Days in September in Senhora do Rosario

The chart illustrates the percentage of sunny days in Senhora do Rosario 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 Senhora do Rosario experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%24%18%27%33%36%35%51%44%30%29%31%
Data source: Senhora do Rosario September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Senhora do Rosario in September

In Senhora do Rosario, Portugal, September marks a notable transition as daylight begins to gently wane, offering approximately 12 hours of light each day. This follows the peak summer months of June, July, and August, where sunlit hours reached a delightful 14, creating an atmosphere brimming with warmth and vibrancy. As summer gives way to autumn, the gradual decrease in daylight offers a beautiful opportunity to reflect on the changing seasons. After September, the daylight continues to dwindle, dipping to 11 hours in October and further reducing to 9 hours by December. This rhythmic pattern not only highlights the region's seasonal shifts but also invites residents and visitors alike to embrace the cozy comforts of fall.

Average Daylight Hours in Senhora do Rosario for September

The chart illustrates the variation in daylight duration in Senhora do Rosario throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 52m10h 47m11h 58m13h 11m14h 12m14h 43m14h 26m13h 32m12h 22m11h 10m10h 7m9h 35m
Data source: Senhora do Rosario daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Senhora do Rosario

As summer fades into autumn, September in Senhora do Rosario, Portugal, brings a noticeable decline in wind speed, averaging only 3.7 m/s (8 mph). This gentle breeze marks a shift from the more vibrant winds of the earlier months, where January and February boasted stronger gusts of around 6.6 to 6.7 m/s (15 mph). Following a trend of decreasing winds from mid-summer, September's calmness sets a serene backdrop, ideal for leisurely strolls and reflective moments. The month represents a transitional period, as the winds begin to pick up slightly again in October, nudging the community towards the livelier breezes of late autumn. This subtle ebb and flow of wind speed throughout the year not only shapes the local climate but also influences the rhythm of life in this charming Portuguese locale.

Average September Wind Speed in Senhora do Rosario

The chart displays monthly wind speed patterns in Senhora do Rosario, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.66.74.05.04.03.54.23.83.7 m/s4.05.25.4
Data source: Senhora do Rosario September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Senhora do Rosario Compares to Other Months

The weather in Senhora do Rosario 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 Senhora do Rosario and find detailed weather information for every month.

September and January offer contrasting weather experiences. In September, temperatures are notably warmer, with averages around 22°C (71°F) and maximums reaching 27°C (82°F), while January sees cooler conditions, with average temperatures dropping to 15°C (59°F) and highs peaking at 19°C (67°F). Both months receive similar amounts of precipitation, approximately 64 mm (2.5 in), but September typically experiences this over 17 days, compared to just 13 days in January. Humidity remains high in both months, with September at 81% and January slightly higher at 82%. For a detailed look at January weather in specific regions, you can check out Senhora do Rosario weather in January.

When comparing the weather in September and February, it's evident that September is generally warmer and more pleasant. With average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (82°F), September typically enjoys a comfortable climate, while February is cooler, with average temperatures only reaching a maximum of 19°C (67°F). Additionally, although both months experience significant precipitation—64 mm (2.5 in) in September and 78 mm (3.1 in) in February—September has slightly fewer rainy days, averaging 17 days compared to February's 12. Humidity levels are quite similar, with September at 81% and February at 80%. For more specific weather details, check out the Senhora do Rosario weather in February.

In September, the weather tends to be warmer, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (82°F), while March showcases cooler conditions, with temperatures ranging from 8°C (48°F) to 20°C (68°F). Although both months experience a similar level of humidity, September brings more rain, averaging 64 mm (2.5 in) over 17 days compared to March's 56 mm (2.2 in) over 11 days. For those interested in more detailed insights, you can explore the Senhora do Rosario weather in March.

September weather is generally warmer than April, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (82°F), compared to April's cooler range of 9°C (49°F) to 20°C (69°F). Additionally, September experiences slightly less precipitation, with 64 mm (2.5 in) falling over an average of 17 days, while April sees a higher total of 80 mm (3.1 in) over 16 days. Humidity levels are comparable in both months, sitting at around 81% in September and 83% in April. For more detailed information on April weather, you can visit Senhora do Rosario weather in April.

In comparison to May, September boasts warmer temperatures, with a minimum of 17°C (63°F) and an average of 22°C (71°F), while May sees a cooler minimum of 10°C (50°F) and an average of 17°C (62°F). The maximum temperatures in September reach up to 27°C (82°F), contrasting with May's peak of 23°C (73°F). Both months share similar humidity levels at 81%, but September experiences more rainfall, with 64 mm (2.5 in) over 17 days compared to May's 56 mm (2.2 in) over 11 days. For more specific weather insights, you can check out Senhora do Rosario weather in May.

When comparing the weather in September and June, we observe notable differences in temperature and precipitation patterns. September boasts warmer temperatures with a minimum of 17°C (63°F) and an average of 22°C (71°F), reaching a maximum of 27°C (82°F). In contrast, June offers cooler conditions, starting at a minimum of 12°C (54°F) and averaging 19°C (67°F), with a maximum of 26°C (79°F). Additionally, September experiences more precipitation, totaling 64 mm (2.5 in) over 17 days, compared to June's 44 mm (1.7 in) over just 10 days. Both months have similar humidity levels, with September at 81% and June slightly higher at 82%. For more details on June weather, you can check Senhora do Rosario weather in June.

When comparing the weather in September and July, September tends to be slightly warmer, with average temperatures reaching 22°C (71°F) compared to July's average of 21°C (70°F). While both months experience mild temperatures, September has a higher maximum temperature of 27°C (82°F) versus July's maximum of 26°C (80°F). However, September sees significantly more rainfall, with 64 mm (2.5 in) over 17 days, while July only has 25 mm (1.0 in) of precipitation over 9 days. Humidity remains quite similar in both months, with September at 81% and July at 83%. For more specific details about the weather during July, visit Senhora do Rosario weather in July.

In comparing the weather between September and August, we observe that September tends to be slightly cooler, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (82°F). In contrast, August has a higher average temperature, with a minimum of 18°C (65°F) and a maximum of 28°C (82°F). Precipitation is more frequent in September, with 64 mm recorded across 17 rainy days, compared to August's 48 mm over just 11 days. Notably, humidity remains constant at 81% for both months, creating a similarly muggy atmosphere. For more detailed insights, you can check the Senhora do Rosario weather in August.

September typically enjoys warmer temperatures compared to October, with averages peaking at 27°C (82°F) and a minimum of 17°C (63°F). In contrast, October brings cooler conditions, with a maximum of 25°C (78°F) and a minimum of 14°C (57°F). Precipitation also rises in October, totaling 92 mm (3.6 in) over 14 days, compared to September’s 64 mm (2.5 in) spread across 17 days. Although humidity is slightly lower in October at 79%, it remains relatively high. For detailed weather insights, you can check Senhora do Rosario weather in October.

September weather is generally warmer than November, with average temperatures around 22°C (71°F) compared to November’s average of 17°C (63°F). While September enjoys a mild maximum of 27°C (82°F), November's temperature peaks at a slightly cooler 24°C (75°F). Both months experience notable humidity, but September is slightly more humid at 81%, compared to November’s 79%. Precipitation is also higher in November, totaling 87 mm (3.4 in) over 12 days, whereas September sees 64 mm (2.5 in) across 17 days. For more details about the weather trends in November, check out Senhora do Rosario weather in November.

In September, the weather features a warm range of temperatures, with a minimum of 17°C (63°F) and an average of 22°C (71°F), peaking at 27°C (82°F). This month experiences about 64 mm (2.5 in) of precipitation over 17 days, coupled with a high humidity level of 81%. In contrast, December brings cooler temperatures, dropping to a minimum of 10°C (50°F) and an average of 16°C (61°F), with a maximum of 20°C (69°F). Rainfall increases to 109 mm (4.3 in) over 12 days, and humidity rises slightly to 84%. For more detailed weather insights, you can visit Senhora do Rosario weather in December.

Compare Senhora do Rosario's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Senhora do Rosario

As September rolls in, Senhora do Rosario experiences a delightful transition in weather, with milder temperatures and a significant increase in humidity that sets it apart from the peak summer months. While the days remain pleasantly warm, the evenings cool down, creating a refreshing contrast. Precipitation is more frequent, with rain gracing about half of the days, which nurtures the lush landscapes yet adds a layer of unpredictability to outdoor plans. This month truly captures the essence of early autumn while still holding onto the lingering warmth of summer, making September a unique time to explore the beauty of the Azores. For a comprehensive overview of the region's climatic patterns, visit Senhora do Rosario Climate.