September Weather in Luz, Portugal

Last updated: February 24, 2025

September in Luz, Portugal offers a delightful climate, with maximum temperatures reaching up to 29°C (85°F) and a pleasant average of 22°C (72°F). Nights cool down to a comfortable minimum of 16°C (61°F), providing ideal conditions for both relaxation and adventure. With only 11 mm (0.4 in) of rainfall over just one day, sunshine prevails, complemented by a humidity level of 71%. This combination creates a perfect backdrop for enjoying the stunning landscapes and vibrant culture that Luz has to offer.

September Temperature in Luz

In September, Luz, Portugal, offers a delightful transition from the summer heat to the milder autumn, with temperatures that linger comfortably in the low to mid-20s°C (around 72°F). The month begins with a minimum temperature of 16°C (61°F), climbing to a maximum of 29°C (85°F), ensuring plenty of sunny days for outdoor activities. As summer’s warmth gradually recedes, visitors can enjoy pleasant evenings that are still warm enough for al fresco dining. This gentle shift not only attracts those looking to bask in the lingering warmth but also provides a perfect backdrop for exploring the scenic beauty of the Algarve region. Overall, September serves as a perfect blend of summer's vibrancy and autumn's charm.

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

The chart illustrates September temperature patterns in Luz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555758606568727472686258
Data source: Temperature data for Luz 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 Luz

In September, Luz, Portugal experiences a notable shift in weather patterns as summer transitions to autumn. The month sees 11 mm (0.4 in) of precipitation spread over just one day, marking a slight increase from the dry spell of August, which recorded no rainfall. This modest rainfall, while insignificant compared to the more saturated months like November and March, hints at the upcoming seasonal changes, as the days grow shorter and cooler. As the region prepares for the expected October showers of 28 mm (1.1 in), September serves as a gentle reminder of the balance between the lingering warmth of summer and the approaching wetter fall, creating a unique blend of conditions that keeps the landscape vibrant and alive.

September Precipitation Trends in Luz

The chart displays monthly precipitation patterns in Luz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec264568491532111285944
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Luz

As autumn approaches, September in Luz, Portugal, sees a slight rise in humidity, settling at around 71%. This marks a shift from the drier summer months of June to August, which all hovered around 67% to 69%. The trend showcases a gradual increase in moisture as the region transitions from the warmest time of year towards the cooler, wetter months ahead. While January starts the year with a high 80% humidity, September serves as a gentle reminder of the changing seasons, inviting a refreshing balance between warmth and the onset of autumn's crisp air.

September Average Humidity in Luz

This chart illustrates the average monthly humidity levels in Luz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%69%69%67%69%68%71%75%78%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Luz

As September unfolds in Luz, Portugal, the UV Index remains notably high at 9, categorizing it as very high exposure with a burn time of just 15 minutes. This marks a slight decrease from the intense peak of 11 observed in June, but it's indicative of a trend where summer's lingering rays still demand vigilance. Following August's comparable levels, September signals a transition toward cooler months while still holding onto summertime strength. Beachgoers and outdoor enthusiasts should remain alert, utilizing sun protection strategies as the sun continues to shine brightly. For more insights on UV levels throughout the year, check out Luz UV Index.

Maximum UV Index Levels in Luz for September

The chart shows the monthly maximum UV Index (UVI) for Luz 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: Luz 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 Luz

As summer begins to wane, September in Luz, Portugal continues to bask in a generous 351 hours of sunshine, showcasing the region's mild transition into autumn. The sun-kissed days of late summer persist, with September marking a graceful decline in daylight compared to the peak of July at 427 hours. This month, alongside August, still captures a vibrant essence, outshining the earlier months of the year. While daylight hours retreat as the year progresses into October with 323 hours, September serves as a perfect bridge, allowing locals and visitors alike to enjoy the lingering warmth before the cooler months set in. The steady illumination throughout these months underscores Luz’s charm as a sun-drenched getaway even as the seasons shift.

Monthly Sunshine Duration in Luz: September Highlighted

The September sunshine duration represents the total number of hours Luz 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.
JanFebMarAprMayJunJulAugSepOctNovDec201h246h306h356h408h414h427h399h351h323h243h239h
Data source: Luz September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Luz During September

As summer fades into September, Luz, Portugal still enjoys a significant 71% chance of sunny weather, making it a delightful time for both tourists and locals alike. This month marks a transition, showcasing a gentle decline from the peak sunshine of July (94%) and August (89%), while remaining comfortably above the averages of earlier months. The weather pattern suggests that September offers a pleasant mix of warmth and sunshine, ideal for beach lovers and outdoor enthusiasts. With the likelihood of sun still high, visitors can relish in the beauty of this coastal paradise before the cooler months set in.

Percentage of Sunny Days in September in Luz

The chart illustrates the percentage of sunny days in Luz 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 Luz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%31%65%46%65%84%95%89%71%59%78%51%
Data source: Luz September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Luz in September

In Luz, Portugal, September marks a gentle transition as daylight begins to wane, offering approximately 12 hours of sunlight each day. Following the sun-soaked months of summer, where daylight peaked at 14 hours in June, July, and August, the days start to shorten, hinting at the approach of autumn. This gradual decrease from the luminous heights of summer creates a softer, golden quality to the light, perfect for savoring outdoor activities and the stunning coastal views. As the year progresses, daylight dips further into 11 hours in October, before settling into the more muted tones of winter with 9 hours in December. Thus, September serves as a beautiful bridge, blending the vibrant energy of summer with the tranquil allure of fall.

Average Daylight Hours in Luz for September

The chart illustrates the variation in daylight duration in Luz throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 55m10h 49m11h 58m13h 9m14h 9m14h 38m14h 23m13h 30m12h 22m11h 11m10h 10m9h 39m
Data source: Luz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Luz

As summer gracefully transitions to autumn, September in Luz, Portugal, brings a gentle caress of winds that slow to an average of 4.2 m/s (9 mph). This marked decrease from the more vigorous summer months reflects the seasonal shift, as temperatures start to cool and the region begins to embrace its fall character. Comparatively, the wind speed is at its lowest for the year, hinting at a serene atmosphere that beckons locals and visitors alike to savor the stunning coastal scenery. With each breeze, one can sense the transition—from the lively summer gales to a tranquil, reflective autumn whisper, making September an inviting time to explore the charm of Luz.

Average September Wind Speed in Luz

The chart displays monthly wind speed patterns in Luz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.55.64.84.85.14.75.04.64.2 m/s4.35.05.8
Data source: Luz September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Luz Compares to Other Months

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

When comparing the weather in September and January, one can see a significant contrast. September typically enjoys milder temperatures, with a minimum of 16°C (61°F) and an average of 22°C (72°F), peaking at 29°C (85°F). The humidity is relatively comfortable at 71%, and there is minimal precipitation, averaging just 11 mm (0.4 in) over only one day. In contrast, January experiences much cooler conditions, with temperatures ranging from a low of 5°C (41°F) to a maximum of 18°C (65°F) and an average of 13°C (56°F). This month also sees a higher level of precipitation, totaling 26 mm (1.0 in) over three days, accompanied by increased humidity at 80%. For a closer look at the specific weather details for January, you can visit Luz weather in January.

September and February exhibit markedly different weather patterns. September tends to be warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), while February sees milder temperatures, with a minimum of 7°C (45°F) and a maximum of 21°C (69°F). Precipitation is also more frequent in February, totaling 45 mm (1.8 in) over approximately 4 days, compared to just 11 mm (0.4 in) over 1 day in September. Despite the slight increase in humidity in February at 73%, overall, the weather is much drier and sunnier in September. For more specific details about February weather, you can check out Luz weather in February.

In September, the weather is generally warmer, with temperatures ranging from a mild 16°C (61°F) at night to a comfortable 29°C (85°F) during the day, boasting an average of 22°C (72°F). This month sees minimal precipitation, measuring just 11 mm (0.4 in) over one day, and maintains a steady humidity level of 71%. In contrast, March offers cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 21°C (70°F), averaging around 15°C (59°F). This month is wetter, experiencing 68 mm (2.7 in) of rainfall across eight days, while humidity remains consistent at 71%. For a more detailed look at the weather in Luz during March, check out Luz weather in March.

In September, the weather is generally warmer and drier compared to April, with temperatures ranging from a pleasant 16°C (61°F) to a maximum of 29°C (85°F) and only 11 mm of precipitation over just one day. In contrast, April experiences cooler temperatures, averaging around 16°C (60°F) with a lower maximum of 22°C (72°F), but it sees significantly more rainfall of 49 mm spread over nine days. Despite the slight difference in humidity levels, which is slightly higher in September at 71% compared to 69% in April, the overall feel is markedly different between these two months. For a more detailed understanding of April weather, you can refer to this link: Luz weather in April.

September and May present distinct weather patterns, with September generally being warmer. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), with an average temperature of 22°C (72°F) and relatively low precipitation of just 11 mm (0.4 in) over approximately 1 day. In contrast, May features cooler temperatures, with a minimum of 11°C (52°F), an average of 18°C (65°F), and a maximum of 26°C (78°F), alongside slightly higher precipitation at 14 mm (0.6 in) spread over 3 days. Both months exhibit similar humidity levels, with September at 71% and May at 69%. For a more detailed look at May weather, you can check Luz weather in May.

In comparing the weather of September and June, September tends to be slightly warmer, with average temperatures reaching 22°C (72°F), compared to June's average of 20°C (68°F). While June boasts a maximum temperature of 30°C (86°F), September peaks at a comparable 29°C (85°F). Both months experience low precipitation, with September seeing 11 mm (0.4 in) and June a mere 3 mm (0.1 in), both over one rainy day. Humidity levels are fairly similar as well, with September at 71% and June at 67%. For more detailed insights on the weather in Luz during June, visit Luz weather in June.

In comparing the weather between September and July, both months exhibit similar temperature ranges, with September reaching a maximum of 29°C (85°F) and July peaking at 28°C (83°F). The average temperatures are consistent, at around 22°C (72°F) for both months. However, September experiences slightly higher humidity at 71% compared to July's 69%. Precipitation is more prevalent in September, with 11 mm (0.4 in) over one day, while July remains quite dry with only 2 mm (0.1 in) and no rainy days. For a more detailed look at July's conditions, visit Luz weather in July.

In comparing the weather between August and September, we notice some notable differences. August features slightly warmer conditions with a minimum temperature of 17°C (63°F) and a maximum reaching 32°C (89°F), while September experiences a drop with a minimum of 16°C (61°F) and a maximum of 29°C (85°F). Additionally, September sees a modest amount of precipitation at 11 mm (0.4 in) over just one day, in contrast to August, which boasts completely dry conditions with no recorded precipitation. Humidity levels are also slightly higher in September at 71%, compared to August's 68%. For more detailed information, you can explore Luz weather in August.

In September, the weather tends to be warmer, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), and an average temperature of 22°C (72°F). Rainfall is minimal, with only 11 mm (0.4 in) recorded over just one day, and humidity levels are relatively moderate at 71%.

Conversely, October experiences cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 26°C (79°F), averaging around 20°C (68°F). The month sees increased precipitation, totaling 28 mm (1.1 in) over three days, and slightly higher humidity at 75%. For a more detailed look at the weather in Luz during October, you can check Luz weather in October.

September typically offers warmer and sunnier weather, with average temperatures around 22°C (72°F) and maximums reaching up to 29°C (85°F). In contrast, November brings a noticeable chill, with average temperatures dropping to 16°C (62°F) and highs around 21°C (70°F). Additionally, November sees significantly more precipitation, with 59 mm (2.3 in) over 8 days, compared to just 11 mm (0.4 in) on a single day in September. Humidity levels also increase in November, rising to 78%, compared to 71% in September. For more details about the weather in November, you can check this link: Luz weather in November.

September weather is generally warmer and drier, with average temperatures ranging from a mild 16°C (61°F) at night to a warm 29°C (85°F) during the day. In contrast, December brings cooler conditions, with temperatures dipping to a minimum of 9°C (48°F) and reaching a maximum of 20°C (68°F). Additionally, December experiences significantly more rainfall, totaling 44 mm (1.7 in) over five days, compared to just 11 mm (0.4 in) over one day in September. The humidity also increases in December to 81%, compared to September’s 71%. For a more detailed overview of December weather, check out Luz weather in December.

Compare Luz's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Luz

As September unfolds in Luz, the weather showcases a delightful transition from the summer heat to a milder ambiance. With pleasant daytime temperatures peaking at a cozy 29°C (85°F), the evenings welcome cooler breezes, lowering the thermometer to around 16°C (61°F). This month also witnesses minimal rainfall, usually amounting to just a single day of light showers, making it a perfect time for outdoor adventures. The 71% humidity adds a touch of warmth without overwhelming discomfort, providing ideal conditions for exploration. Overall, September in Luz is characterized by a comfortable blend of summer remnants and autumn whispers, offering a unique experience compared to the more intense heat of preceding months. For a deeper understanding of the seasonal variations, check out Luz Climate.