September Weather in Velas, Portugal

Last updated: February 24, 2025

In September, Velas, Portugal, experiences pleasant weather characterized by an average temperature of 22°C (71°F), with daily highs reaching up to 25°C (76°F) and lows around 18°C (66°F). This month features moderate rainfall, totaling 51 mm (2.0 in), spread over about 10 days, making it a transitional period as summer shifts to autumn. The humidity levels remain high at 83%, adding a touch of tropical feel to the air. Enjoying outdoor activities is ideal during this time, as the climate offers a comfortable and inviting atmosphere.

September Temperature in Velas

September in Velas, Portugal, marks a delightful transition as summer gradually gives way to autumn. With minimum temperatures around 18°C (66°F) and averages peaking at 22°C (71°F), it's the perfect time to enjoy outdoor activities without the intense heat of summer. The maximum temperature reaches a comfortable 25°C (76°F), making it an excellent month for soaking in the sunshine and exploring the stunning coastal scenery. As the month progresses, the warmth lingers, but the evenings start to cool, reminding visitors of the approaching fall. This blend of pleasant warmth and mild evenings creates an inviting atmosphere for travelers seeking both adventure and relaxation in this charming Portuguese locale.

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

The chart illustrates September temperature patterns in Velas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec605959596265697271686462
Data source: Temperature data for Velas 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 Velas

September in Velas, Portugal, marks a transition as summer draws to a close, bringing consistent precipitation with 51 mm (2.0 in) of rain over 10 days. This amount aligns with the previous month's rainfall, indicating a stable late summer climate. The slight uptick from the drier months of July and June, characterized by 28 mm (1.1 in) and 40 mm (1.6 in) respectively, suggests a gradual move towards the wetter autumn season. As the year progresses, precipitation increases significantly in October and November, but September still holds its ground as a month of mild rains that nurture the lush landscapes of this stunning Azorean locale.

September Precipitation Trends in Velas

The chart displays monthly precipitation patterns in Velas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84775675584028525175122103
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Velas

In September, humidity levels in Velas, Portugal, settle at a comfortable 83%, maintaining a trend observed throughout the summer months. Notably, the humidity only slightly dips from August's similar reading, demonstrating stability as the city transitions into autumn. While the beginning of the year experiences higher levels, with peaks in January and March reaching up to 85%, the early fall marks a subtle shift towards drier conditions, anticipating the lower levels in October. Overall, September embodies a perfect balance, reflecting the pleasant coastal climate that characterizes Velas.

September Average Humidity in Velas

This chart illustrates the average monthly humidity levels in Velas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%85%85%83%85%86%83%83%79%80%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Velas

In September, Velas, Portugal experiences a UV Index of 9, categorizing it as very high. This indicates that sun exposure should be approached with caution, as unprotected skin may burn in just 15 minutes. As summer transitions into autumn, the UV levels begin to decline, dropping from the peak extremes of June and July, which both recorded a UV Index of 11 and 10 respectively. However, with the UV Index still remaining elevated, it’s crucial for sun-seekers to maintain effective sun protection strategies to avoid skin damage. For more detailed insights on navigating UV exposure, check out the comprehensive guide at Velas UV Index.

Maximum UV Index Levels in Velas for September

The chart shows the monthly maximum UV Index (UVI) for Velas 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.
JanFebMarAprMayJunJulAugSepOctNovDec3578101110109743
Data source: Velas 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 Velas

As summer transitions to autumn, September in Velas, Portugal, retains a generous amount of sunshine, boasting 315 hours of radiant daylight. This month offers a gentle decline in sunlight from the peak of 385 hours in July, yet it remains significantly brighter than the earlier months of the year. The warmth of September's sun continues to create a delightful atmosphere, making it an ideal time for outdoor activities and exploration. Following the vibrant summer months, the days grow shorter but still provide more hours of sunshine than many of the upcoming autumn months, such as October with 272 hours. Thus, September stands out as a vibrant bridge between the exuberance of summer and the enchanting embrace of fall, ensuring its charm resonates throughout the season.

Monthly Sunshine Duration in Velas: September Highlighted

The September sunshine duration represents the total number of hours Velas 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.
JanFebMarAprMayJunJulAugSepOctNovDec152h207h261h288h332h353h385h362h315h272h205h195h
Data source: Velas September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Velas During September

As summer gently gives way to autumn, September in Velas, Portugal often strikes a balance of sun and mild weather. With a 42% chance of sunny days, it's one of the more favorable months for enjoying the outdoors, trailing just behind the peak months of August and June. This slight dip in sunshine opportunities aligns with a general trend of decreasing sunlight as the year progresses. However, September still offers significantly better weather compared to the chillier months ahead, making it an ideal time for visitors seeking to bask in the warmth before autumn fully sets in.

Percentage of Sunny Days in September in Velas

The chart illustrates the percentage of sunny days in Velas 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 Velas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%28%26%28%30%44%43%50%42%38%25%27%
Data source: Velas September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Velas in September

As summer transitions to autumn, September in Velas, Portugal offers a delightful shift in daylight duration. With approximately 12 hours of sunshine, the month strikes a harmonious balance, presenting slightly shorter days compared to the peak summer months, where daylight spans a generous 14 hours. This gradual decrease from the vibrant days of August invites a charming ambiance, as the warmth of late summer lingers while welcoming the mellowing tones of early fall. Following the steady ascent from 9 hours in January to 14 hours in June and July, September marks the beginning of the gradual retreat into winter, promising a cozy atmosphere as the days continue to shorten in the months ahead.

Average Daylight Hours in Velas for September

The chart illustrates the variation in daylight duration in Velas throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 47m10h 45m11h 58m13h 13m14h 17m14h 48m14h 31m13h 35m12h 23m11h 8m10h 3m9h 29m
Data source: Velas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Velas

As summer transitions into autumn, September in Velas, Portugal, ushers in a subtle shift in wind patterns. With an average wind speed of 6.4 m/s (14 mph), September maintains a gentle breeze akin to the preceding months of July and August. This consistent light wind is part of a broader trend, as the warmest months experience higher speeds, with January and February showcasing the most vigorous winds at 10.8 m/s (24 mph) and 11.5 m/s (26 mph), respectively. Following this peak, winds gradually moderate, presenting a pleasant atmosphere ideal for outdoor activities, yet hinting at the return of stronger gusts later in the year as seen in October and November. Overall, September’s winds provide a harmonious blend of calmness and anticipation, perfectly reflecting the transition of seasons in this charming coastal town.

Average September Wind Speed in Velas

The chart displays monthly wind speed patterns in Velas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10.811.57.08.16.84.96.36.36.4 m/s6.98.79.3
Data source: Velas September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Velas Compares to Other Months

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

September and January exhibit distinct variations in weather conditions. In September, temperatures range from a mild 18°C (66°F) at night to a comfortable maximum of 25°C (76°F) during the day, with an average of 22°C (71°F). The month experiences approximately 51 mm (2.0 in) of precipitation over 10 days, coupled with a humidity level of 83%. In contrast, January sees cooler temperatures, with a minimum of 11°C (53°F), an average of 16°C (61°F), and a maximum of 19°C (66°F). Notably, it has a higher precipitation of 84 mm (3.3 in) spread over 12 days, and humidity remains slightly elevated at 84%. For more detailed insights into January weather, you can check Velas weather in January.

September and February exhibit distinct weather characteristics, reflecting the transition between the warm late summer and the cooler late winter. In September, temperatures range from a minimum of 18°C (66°F) to a maximum of 25°C (76°F), with an average of 22°C (71°F). The month experiences a moderate amount of precipitation, totaling 51 mm (2.0 in) over about 10 days, coupled with a consistent humidity level of 83%. In contrast, February is noticeably cooler, with temperatures dipping to a minimum of 9°C (49°F) and peaking at 18°C (64°F), averaging around 15°C (59°F). Rainfall increases in February, totaling 77 mm (3.0 in) over 14 days, while humidity remains constant at 83%. For those interested in more details about February weather, you can visit Velas weather in February.

September and March present contrasting weather patterns. In September, temperatures are warmer, with average highs reaching 25°C (76°F) and a comfortable humidity level of 83%. However, this month experiences about 51 mm (2.0 in) of rainfall over roughly 10 days. In contrast, March is cooler, with an average high of only 18°C (64°F) and noticeably lower temperatures, starting at a minimum of 10°C (50°F). Precipitation is slightly higher during this month, totaling 56 mm (2.2 in) over 11 days, and humidity is slightly increased at 85%. To explore more about weather specifics in March, you can check Velas weather in March.

In September, the weather is generally warmer with average temperatures ranging from a minimum of 18°C (66°F) to a maximum of 25°C (76°F), creating a pleasant environment for outdoor activities. In contrast, April experiences cooler temperatures, with averages between 9°C (49°F) and 18°C (64°F), making it a bit brisker. Precipitation levels also vary between the two months, with September receiving 51 mm (2.0 in) of rain over about 10 days, while April experiences more rainfall totaling 75 mm (2.9 in) across 13 days. Humidity remains high in both months, with September at 83% and April slightly higher at 85%. For more detailed information on April weather, you can visit Velas weather in April.

In September, the weather is notably warmer, with average temperatures ranging from a minimum of 18°C (66°F) to a maximum of 25°C (76°F), compared to May, where temperatures are cooler, averaging between 11°C (53°F) and 19°C (67°F). Both months experience a similar level of humidity at 83%, creating a consistently muggy atmosphere. Precipitation is slightly higher in May at 58 mm (2.3 in), compared to 51 mm (2.0 in) in September. Despite having the same number of rainy days, May's cooler temperatures and higher precipitation offer a distinctly different feel. For more details on May’s weather, check out Velas weather in May.

When comparing the weather in September and June, September tends to be slightly warmer with average temperatures ranging from 18°C (66°F) to 25°C (76°F), while June's temperatures range from 14°C (57°F) to 22°C (72°F). Both months experience a fair amount of humidity, with September at 83% and June slightly higher at 85%. Precipitation is a bit more frequent in September, averaging 51 mm (2.0 in) over 10 days, compared to June, which sees 40 mm (1.6 in) over just 6 days. For more details on weather patterns specific to June, you can check out Velas weather in June.

When comparing the weather in September to that of July, we observe some notable differences. September experiences slightly warmer average temperatures, with a range from a minimum of 18°C (66°F) to a maximum of 25°C (76°F), while July has a bit cooler range from 18°C (64°F) to 24°C (75°F). Additionally, September sees more rainfall, totaling 51 mm (2.0 in) over 10 days, compared to July's 28 mm (1.1 in) over just 5 days. Humidity levels are also slightly lower in September at 83%, as opposed to July's 86%. For those interested in more detailed information, you can check out Velas weather in July.

In comparing the weather of September to that of August, we notice some subtle yet notable differences. September sees slightly lower minimum temperatures, averaging 18°C (66°F) compared to August's 19°C (66°F), while both months share a similar average temperature of around 22°C (72°F). The maximum temperatures in September and August are nearly identical, with September reaching up to 25°C (76°F) and August peaking at 24°C (76°F). Precipitation levels remain consistent at 51 mm (2.0 in) for both months, but September experiences rain on 10 days, slightly more than the 8 rainy days in August. Humidity is steady throughout, maintaining a high level of 83%. For more detailed insights, you can explore Velas weather in August.

In September, the weather is generally warmer, with average temperatures around 22°C (71°F) and a maximum reaching up to 25°C (76°F). During this month, there is an average of 51 mm (2.0 in) of precipitation spread over approximately 10 days, accompanied by high humidity levels at 83%. By contrast, October sees temperatures decrease slightly, with an average of 20°C (68°F) and a high of 24°C (76°F). However, it becomes wetter, receiving about 75 mm (2.9 in) of rain over 14 days, and the humidity is moderately lower at 79%. For more detailed insights on October's weather, you can check Velas weather in October.

September and November exhibit notable differences in weather patterns. In September, temperatures are generally milder, with a minimum of 18°C (66°F) and an average high of 25°C (76°F), while November sees lower temperatures, with a minimum of 12°C (55°F) and a maximum of 22°C (71°F). Additionally, November experiences significantly more rainfall, totaling 122 mm (4.8 in) over 14 days compared to September’s 51 mm (2.0 in) across 10 days. Despite the cooler temperatures in November, humidity remains relatively high at 80%, although slightly less than September's 83%. For more detailed information about the weather, you can check Velas weather in November.

In September, the weather is relatively warm, with average temperatures ranging from a minimum of 18°C (66°F) to a maximum of 25°C (76°F), and a total precipitation of 51 mm (2.0 in) spread over about 10 days. The humidity is high at 83%, creating a muggy atmosphere. In contrast, December sees cooler temperatures, with averages between 12°C (54°F) and 20°C (68°F). Rainfall increases to 103 mm (4.1 in) over approximately 14 days, and humidity rises slightly to 85%. This shift marks a transition from the warmer, drier days of autumn to the cooler, wetter winter months. For more detailed information, you can check Velas weather in December.

Compare Velas's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Velas

As September unfolds in Velas, the weather begins to transition, bringing a refreshing change compared to the hotter summer months. With an average temperature that hovers around a comfortable 22°C (71°F), the days remain pleasantly warm, though not as sweltering as July and August. While the humidity remains relatively high at 83%, the increase in precipitation—with about 51 mm (2.0 in) over ten days—adds a lush vibrancy to the landscape, reminiscent of the early autumn season. This blend of mild temperatures and intermittent rainfall creates an inviting atmosphere for outdoor activities and exploration. For a deeper dive into the climate trends of the region, be sure to check out Velas Climate.