September Weather in Marvao, Portugal

Last updated: February 24, 2025

Experience the captivating September weather in Marvao, Portugal, where temperatures can soar to a maximum of 37°C (99°F), yet average a comfortable 22°C (72°F). With a minimum of 9°C (49°F) during the cooler nights, the climate is perfect for both daytime exploration and evening relaxation. Although the month sees 37 mm (1.4 in) of precipitation across just 4 days, the air remains refreshingly humid at around 67%, adding to the enchanting atmosphere. Whether you're wandering through historic streets or enjoying the stunning scenery, September in Marvao promises a delightful blend of sun and occasional showers.

September Temperature in Marvao

In September, Marvão, Portugal, welcomes the arrival of autumn with pleasantly warm temperatures, making it an ideal time for visitors. During this month, the minimum temperature hovers around 9°C (49°F), while the average rises to a comfortable 22°C (72°F). As the days progress, temperatures can reach a peak of 37°C (99°F), showcasing the lingering warmth of summer. This steady decline from July and August's soaring highs indicates a transition into cooler weather, yet September remains vibrant and inviting for outdoor activities and exploration. Overall, the mild climate, combined with the scenic beauty of the region, creates a perfect backdrop for enjoying the early autumn in Marvão.

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

The chart illustrates September temperature patterns in Marvao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec465154586670767772645450
Data source: Temperature data for Marvao 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 Marvao

In September, Marvão experiences a modest resurgence in precipitation, recording 37 mm (1.4 in) over four rainy days. This marks a slight increase from the drier summer months of July and August, which saw just 4 mm and 6 mm respectively. As the region shifts away from its arid summer spell, September's rainfall begins to signal the onset of autumn, preparing the landscape for a more vibrant and refreshed appearance. This gradual return to wetter conditions sets the stage for increased precipitation in the following months, contributing to the rich tapestry of Marvão’s seasonal climate.

September Precipitation Trends in Marvao

The chart displays monthly precipitation patterns in Marvao, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3651899040165637588172
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Marvao

In September, Marvão experiences a notable shift in humidity, settling at 67%, which marks a slight increase from the drier summer months of July and August, both at 60%. This change hints at the transition from the warm summer heat to the cooler autumn atmosphere. Interestingly, September's humidity is significantly lower than the winter months, where levels soar to 85% in January and 83% in November, creating a clear seasonal pattern. As the year progresses, we see a gradual rise in humidity levels from June's low of 63% back toward the wetter conditions of late fall, illustrating how Marvão's climate subtly oscillates with the seasons.

September Average Humidity in Marvao

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

As summer transitions into autumn, September in Marvao continues to offer high UV exposure, with a UV Index of 8, categorized as very high. This means that outdoor enthusiasts should be vigilant, as the potential for sunburn is notable with a burn time of just 15 minutes for unprotected skin. Following a peak in June with an extreme index of 11, the UV levels remain elevated during September, reflecting a gradual decrease as the season shifts. To ensure safety while enjoying the sun-drenched landscapes of Marvao, it's crucial to prioritize sun protection. For detailed insights and updates, visit Marvao UV Index.

Maximum UV Index Levels in Marvao for September

The chart shows the monthly maximum UV Index (UVI) for Marvao 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689111098643
Data source: Marvao 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 Marvao

As summer gracefully transitions into autumn, September reveals a delightful balance of sunshine in Marvão, Portugal, boasting 347 hours of bright daylight. This abundance of sunshine follows the peak of July, which recorded an impressive 430 hours, marking it as the sunniest month of the year. While September’s total represents a notable decline, it still radiates warmth and light compared to the cooler months ahead. With the golden hues of early fall and the gentle fading of summer’s heat, visitors can enjoy pleasant days for exploration amidst Marvão's historic charm, all while savoring the lingering glow of summer. As we move into October, sunlight begins to taper, yet September holds on to a generous warmth, reminding us that the beauty of the season is still very much at hand.

Monthly Sunshine Duration in Marvao: September Highlighted

The September sunshine duration represents the total number of hours Marvao 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.
JanFebMarAprMayJunJulAugSepOctNovDec169h218h287h338h401h405h430h401h347h311h215h201h
Data source: Marvao September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Marvao During September

In Marvão, Portugal, September offers a reasonably favorable 54% chance of sunny weather, making it a delightful time to explore this picturesque destination. As summer transitions into autumn, the likelihood of sunshine remains strong, just below the peak months of July and August, when sunlit days soar to 83% and 82%, respectively. Notably, September's sun probability slightly reduces compared to the summer months, yet it still outshines the earlier spring and late autumn months, indicating that the pleasant warmth continues to linger. This blend of sunshine and moderate temperatures makes September an appealing choice for visitors looking to enjoy the beauty of Marvão without the summer crowds.

Percentage of Sunny Days in September in Marvao

The chart illustrates the percentage of sunny days in Marvao 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 Marvao experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%22%58%35%53%73%83%82%54%55%71%45%
Data source: Marvao September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Marvao in September

As the summer heat begins to wane, September in Marvão, Portugal, ushers in a gentle transition with 12 hours of daylight. Following the peak summer months when daylight reached a vibrant 14 hours, this slight dip signals the approach of autumn. The pattern reveals a gradual decrease in daylight that starts in August and will continue into the cooler months ahead. Compared to the 11 hours of daylight in October, September still offers ample time to explore Marvão’s stunning landscapes and historical sites, making it a lovely month for outdoor adventures before the days grow noticeably shorter.

Average Daylight Hours in Marvao for September

The chart illustrates the variation in daylight duration in Marvao throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 43m10h 42m11h 58m13h 15m14h 20m14h 53m14h 35m13h 38m12h 24m11h 7m10h9h 25m
Data source: Marvao daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Marvao

As September unfolds in Marvão, Portugal, the average wind speed settles at a gentle 2.7 m/s (6 mph), mirroring the likely calm of August. This steady breeze marks a transition from the warmer summer months, where winds were slightly stronger, averaging around 3.2 m/s (7 mph) in July. The consistency seen in September and the subsequent month suggests a tranquil period, characterized by mild weather and comfortable conditions for exploration. Interestingly, as the year progresses toward October, the winds remain unchanged, highlighting Marvão's enchanting stability during this time of year, perfect for enjoying picturesque views while gently swaying with the soft breezes.

Average September Wind Speed in Marvao

The chart displays monthly wind speed patterns in Marvao, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.32.92.43.02.73.22.72.7 m/s2.72.93.5
Data source: Marvao September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Marvao Compares to Other Months

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

In September, the weather is notably warmer, with average temperatures reaching 22°C (72°F) and highs soaring to 37°C (99°F). The month experiences moderate humidity at 67% and relatively low precipitation, averaging 37 mm (1.4 in) over about four days. In contrast, January brings a significant chill, with average temperatures dropping to 8°C (47°F) and nighttime lows plummeting to -3°C (28°F). The humidity is higher at 85%, and precipitation remains similar, totaling 36 mm (1.4 in) but spread over five days. For more details on January weather specifics, you can visit Marvao weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a mild 9°C (49°F) at night to a warm 37°C (99°F) during the day, with an average of 22°C (72°F). The month brings relatively low precipitation of 37 mm (1.4 in) over just 4 days and a humidity level of 67%. In stark contrast, February sees much cooler temperatures, with a minimum of -1°C (31°F), an average of 11°C (51°F), and a maximum of 23°C (73°F). This month experiences more rainfall, totaling 51 mm (2.0 in) spread over 7 days, and higher humidity at 75%. For more detailed insights into February's weather, you can check Marvao weather in February.

September and March present distinct weather patterns. In September, temperatures range from a mild 9°C (49°F) to a high of 37°C (99°F), with an average of 22°C (72°F), while precipitation is relatively low at 37 mm (1.4 in) over just four days. Humidity sits at 67%, giving a warm, dry feel to the month.

In contrast, March experiences cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 27°C (80°F). The average temperature is around 12°C (54°F), and it tends to be wetter, with 89 mm (3.5 in) of rain spread over eight days. Humidity is slightly higher at 72%, contributing to a more damp atmosphere. For a detailed look at March weather, you can refer to Marvao weather in March.

When comparing the weather in September and April, there are notable differences in temperature and precipitation patterns. September boasts a wider temperature range, with minimums around 9°C (49°F) and maximums reaching up to 37°C (99°F), allowing for warm days and cooler nights. In contrast, April sees cooler averages, with a minimum of 3°C (38°F) and a maximum of 29°C (84°F), resulting in a generally milder climate. Precipitation is also more pronounced in April, with 90 mm (3.5 in) expected over 13 days, compared to September’s 37 mm (1.4 in) over just 4 days. Moreover, humidity remains relatively high in both months, at 67% in September and 70% in April, contributing to the overall feel of each season. For a detailed look at the April weather, you can check Marvao weather in April.

In comparing the weather of September and May, September tends to be warmer, with average temperatures reaching 22°C (72°F) compared to May's average of 19°C (66°F). The minimum temperature in September is slightly higher at 9°C (49°F) compared to May's 5°C (41°F), and the maximum temperature in September can soar to 37°C (99°F), surpassing May's maximum of 34°C (94°F). Precipitation is fairly similar, with September experiencing 37 mm (1.4 in) over 4 days, while May has a bit more rainfall at 40 mm (1.6 in) over 5 days. Humidity levels are also comparable, with September at 67% and May slightly higher at 70%. For further details on May weather, check Marvao weather in May.

In comparing the weather between September and June, we observe a minimal variation in their average temperatures, with September averaging 22°C (72°F) and June slightly cooler at 21°C (71°F). However, June can experience higher maximum temperatures, reaching up to 42°C (107°F), while September's peak can hit 37°C (99°F). Precipitation is more prominent in September, totaling 37 mm (1.4 in) over 4 days, compared to June's 16 mm (0.6 in) over 5 days. Humidity levels are relatively close, sitting at 67% for September and 63% for June, which can make both months feel warm and a bit muggy. For more detailed information, you can visit Marvao weather in June.

September tends to have a slightly cooler average temperature compared to July, with a minimum of 9°C (49°F) and a maximum reaching up to 37°C (99°F), while July boasts a minimum of 11°C (52°F) and can reach highs of 41°C (106°F). Additionally, September experiences more precipitation, averaging 37 mm (1.4 in) over about 4 days, in stark contrast to July's minimal 4 mm (0.2 in) and only 1 day of rainfall. Humidity levels are also a bit higher in September at 67%, compared to July's 60%. For a more detailed look at July conditions in the region, you can check Marvao weather in July.

In comparing the weather patterns of September and August, we see distinct differences in temperature and precipitation. September experiences a broader range of temperatures, with a minimum of 9°C (49°F) and a maximum of 37°C (99°F), resulting in an average of 22°C (72°F). In contrast, August maintains warmer conditions, with a minimum of 13°C (55°F), an average of 25°C (77°F), and a peak of 43°C (109°F). Additionally, September has slightly higher humidity at 67%, compared to August's 60%. Rainfall is more frequent in September, with 37 mm (1.4 in) of precipitation over 4 days, compared to just 6 mm (0.2 in) over a single day in August. For more detailed information about August weather, visit Marvao weather in August.

September typically experiences warmer temperatures, with averages around 22°C (72°F) and maximums reaching up to 37°C (99°F). In contrast, October shows a noticeable cooling trend, with an average temperature of 18°C (64°F) and maximums around 34°C (94°F). Precipitation also increases in October, averaging 58 mm (2.3 in) over 6 days, compared to 37 mm (1.4 in) over just 4 days in September. Humidity levels are slightly higher in October at 74%, compared to September's 67%. For more detailed insights, you can explore Marvao weather in October.

September and November showcase a significant contrast in weather patterns. In September, temperatures range from a cool 9°C (49°F) at night to a warm average of 22°C (72°F) during the day, peaking at a sweltering 37°C (99°F). This month experiences relatively mild precipitation, totaling 37 mm (1.4 in) across just 4 days, accompanied by a humidity level of 67%. In stark contrast, November brings much cooler temperatures, with nighttime lows dropping to 0°C (33°F) and an average of only 12°C (54°F) during the day, while the maximum temperature reaches 25°C (77°F). The month sees a considerable increase in rainfall, with 81 mm (3.2 in) falling over 10 days, and humidity levels also rise significantly to 83%. For more details on November's climate specifics, check out Marvao weather in November.

September and December present contrasting weather conditions. In September, temperatures range significantly, with a minimum of 9°C (49°F) and a maximum of 37°C (99°F), leading to a warm average of 22°C (72°F). The month sees relatively low precipitation at 37 mm (1.4 in) over just four days and a humidity level of 67%. In contrast, December experiences much cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 18°C (65°F), resulting in a chilly average of 10°C (50°F). Additionally, precipitation increases to 72 mm (2.8 in) over eight days, accompanied by higher humidity at 85%. For more detailed weather information, check out Marvao weather in December.

Compare Marvao's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Marvao

As September unfolds in Marvão, the weather begins to transition from the sweltering heat of summer to a more temperate climate. With maximum temperatures that can still reach 37°C, the days retain a warm allure, yet the average cools down to a pleasant 22°C, offering a welcome reprieve. Unlike the peak summer months, where humidity can feel oppressive, September's relative humidity of 67% makes the air more comfortable, even as occasional rainfall graces the region, totaling around 37 mm over just a few days. This month serves as a perfect bridge, allowing visitors to enjoy the warmth while anticipating the crispness of autumn. To explore a more detailed understanding of Marvão’s climate throughout the year, check out Marvao Climate.