September Weather in Porto Cervo, Italy

Last updated: March 24, 2025

September in Porto Cervo, Italy offers a delightful blend of warm sunshine and gentle breezes, making it a perfect time for travelers. With maximum temperatures reaching 30°C (86°F) and an average of 24°C (75°F), visitors can enjoy beautiful beaches and outdoor activities. The nights cool down to a refreshing 16°C (61°F), ideal for evening strolls. While the month sees a total precipitation of 46 mm (1.8 in) spread across 5 days, humidity levels hover around 68%, providing a comfortable atmosphere. Embrace the charm of Porto Cervo this September, where the warmth of summer gently transitions into the crispness of autumn.

September Temperature in Porto Cervo

As summer gracefully transitions into autumn, September in Porto Cervo, Italy, offers a delightful experience with mild temperatures. The month begins with a comfortable minimum of 16°C (61°F), allowing for pleasant evenings by the sea, while the daily average climbs to 24°C (75°F), perfect for enjoying the last rays of summer sun. Maximum temperatures hover around 30°C (86°F), providing ample warmth for beachgoers and outdoor enthusiasts alike. Compared to the sweltering heat of August, which peaks at 34°C (93°F), September strikes a lovely balance, making it an ideal time to explore the picturesque scenery and indulge in the vibrant local culture without the summer crowds.

September Weather in Porto Cervo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Porto Cervo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545556596573798075686156
Data source: Temperature data for Porto Cervo 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 Porto Cervo

September in Porto Cervo, Italy, marks a transition as summer wanes and autumn approaches, bringing with it a shift in precipitation patterns. With an average of 46 mm (1.8 in) of rain falling over five days, September serves as a gentle reminder of the upcoming wetter months. This is a modest increase from the dry summer months of July and August, which recorded just 4 mm each. While slightly more humid, September's rainfall helps nourish the landscape, preparing it for the vivid hues of fall. As the year progresses, it's clear that precipitation starts to climb, setting the stage for the more substantial rains of October and November.

September Precipitation Trends in Porto Cervo

The chart displays monthly precipitation patterns in Porto Cervo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5843454754754464411551
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Porto Cervo

As summer transitions to autumn in Porto Cervo, September brings a notable dip in humidity, settling at a comfortable 68%. This marks a gentle decline after the peak summer months, where August recorded the year's lowest humidity at 66%. Throughout the year, humidity levels in Porto Cervo have shown a distinct pattern: they start high in winter, with January reaching 79%, and gradually decreasing through the warmer months, before rising again in fall and winter. This trend not only reflects the region's Mediterranean climate but also highlights September as an ideal time to experience the pleasant balance of warm temperatures and manageable humidity.

September Average Humidity in Porto Cervo

This chart illustrates the average monthly humidity levels in Porto Cervo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79%72%70%74%72%70%69%66%68%75%78%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Porto Cervo

As summer fades into September in Porto Cervo, Italy, the UV Index presents a notable shift. Dropping from the peak highs of the summer months, September sees a UV Index of 7, categorizing the sun exposure as high. This signals a burn time of 25 minutes, which is more forgiving than the intense 15 minutes of the height of summer yet still warrants attention. Throughout the month, the UV Index reflects a gradual decline in intensity, mirroring the shift in season. It’s a reminder for residents and visitors alike to remain vigilant, especially during midday when UV levels peak. For more specific details and guidelines for safe sun exposure, check out the Porto Cervo UV Index.

Maximum UV Index Levels in Porto Cervo for September

The chart shows the monthly maximum UV Index (UVI) for Porto Cervo 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.
JanFebMarAprMayJunJulAugSepOctNovDec3467810997642
Data source: Porto Cervo 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 Porto Cervo

As summer wanes in Porto Cervo, Italy, September graces the region with a generous 341 hours of sunshine, offering a beautiful transition from the vibrant peak of summer. This month experiences a slight decrease in sunlight compared to the blazing 430 hours of July, yet it remains a radiant time, framed by glorious evenings and pleasant days. The sun-soaked months of May and June stand out with their extended daylight, peaking around 416 hours in June, paving the way for a more temperate September ambiance. As autumn approaches in October, the sunshine dips to 317 hours, heralding a gradual cool down while still offering ample opportunities for outdoor enjoyment. September serves as a serene bridge, maintaining warmth and brightness before the cooler months usher in a different charm.

Monthly Sunshine Duration in Porto Cervo: September Highlighted

The September sunshine duration represents the total number of hours Porto Cervo 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.
JanFebMarAprMayJunJulAugSepOctNovDec203h266h330h355h408h416h430h398h341h317h255h252h
Data source: Porto Cervo September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Porto Cervo During September

As summer transitions into autumn, September in Porto Cervo offers a moderate 52% chance of sunny weather, providing a pleasant blend of warmth and gentle breezes. This month marks a slight dip from the peak sunny months of July and August, which boast impressive chances of 75% and 76% respectively. However, September still holds its charm, as the sun remains significantly more prevalent compared to the earlier months of the year, with sunlight probabilities climbing from a mere 37% in January to a wholesome 61% in March. While visitors can expect some clouds, the overall climate is inviting, perfect for enjoying the serene beauty of this stunning Italian coastal destination.

Percentage of Sunny Days in September in Porto Cervo

The chart illustrates the percentage of sunny days in Porto Cervo 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 Porto Cervo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%50%61%51%54%65%75%76%52%51%36%51%
Data source: Porto Cervo September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Porto Cervo in September

In September, Porto Cervo enjoys a delightful 12 hours of daylight, making it a wonderful time to savor the lingering warmth of late summer. As the calendar shifts from the vibrant months of June and July, which boast up to 15 hours of light, the days gradually shorten, signaling the transition into autumn. This trend continues into October, where daylight dips to 11 hours, yet the golden hues of September still offer an abundance of sunlight for outdoor exploration and stunning sunsets. With a gentle decrease in daylight from the peak summer days, September presents a perfect balance of warmth and daylight, inviting visitors to bask in the beauty of this enchanting coastal destination.

Average Daylight Hours in Porto Cervo for September

The chart illustrates the variation in daylight duration in Porto Cervo throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 34m10h 37m11h 57m13h 20m14h 29m15h 4m14h 46m13h 44m12h 25m11h 3m9h 51m9h 14m
Data source: Porto Cervo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Porto Cervo

As summer transitions to fall, September in Porto Cervo, Italy, brings a gentle calmness to the coastal breeze with an average wind speed of just 4.6 m/s (10 mph). This month marks the lowest wind speeds of the year, reflecting the relaxation of the bustling tourist season. The winds, which peak in January at 7.3 m/s (16 mph), gradually taper off from the lively summer months, where they hover between 5.1 m/s (11 mph) in August and 5.4 m/s (12 mph) in July. This soothing shift invites visitors to unwind and savor the serene atmosphere of Porto Cervo, making it an ideal time for leisurely strolls along the picturesque shoreline, as the gentle September winds create a perfect backdrop for enjoying the breathtaking Mediterranean views.

Average September Wind Speed in Porto Cervo

The chart displays monthly wind speed patterns in Porto Cervo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.35.95.04.86.34.45.45.14.6 m/s5.15.66.1
Data source: Porto Cervo September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Porto Cervo Compares to Other Months

The weather in Porto Cervo 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 Porto Cervo and find detailed weather information for every month.

In September, Porto Cervo enjoys relatively warm temperatures, ranging from a minimum of 16°C (61°F) to a pleasant average of 24°C (75°F), with highs reaching up to 30°C (86°F). The humidity sits at a comfortable 68%, and the region sees about 46 mm (1.8 in) of precipitation over five days. In contrast, January brings much cooler conditions, with temperatures dropping to a minimum of 5°C (41°F) and averaging just 12°C (54°F), peaking at 17°C (64°F). The humidity increases to 79%, and precipitation rises slightly, totaling 58 mm (2.3 in) over six days. For more details about January weather in Porto Cervo, you can visit Porto Cervo weather in January.

In September, the weather is warm and pleasant, with average temperatures around 24°C (75°F), peaking at a maximum of 30°C (86°F). The month experiences relatively low precipitation, with about 46 mm (1.8 in) over approximately five days, and humidity levels hover around 68%. In contrast, February brings much cooler temperatures, with an average of 13°C (55°F), a minimum of 3°C (37°F), and a maximum of 19°C (67°F). While precipitation is slightly lower at 43 mm (1.7 in) spread over seven days, humidity remains high at 72%. For more detailed information on the February climate, you can check Porto Cervo weather in February.

In September, the weather is notably warmer, with average temperatures around 24°C (75°F) and highs reaching up to 30°C (86°F). The humidity is relatively comfortable at 68%, and the month experiences about 46 mm (1.8 in) of precipitation over approximately 5 days. Conversely, March is much cooler, with an average temperature of 13°C (56°F) and maximum highs of only 19°C (66°F). The humidity is slightly higher at 70%, and precipitation is similar at about 45 mm (1.8 in), but it spreads over more days, totaling 7. For more details, you can check Porto Cervo weather in March.

When comparing the weather in September and April, notable differences emerge. September boasts a warmer climate with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 30°C (86°F), alongside an average of 24°C (75°F). In contrast, April is cooler, featuring minimum temperatures of 7°C (45°F) and maximums of 22°C (72°F), with an average of 15°C (59°F). Both months receive similar amounts of precipitation, approximately 46-47 mm (1.8 in), but September has fewer rainy days at 5, compared to April's 7 days. Additionally, humidity levels are slightly higher in April at 74%, compared to 68% in September. For more details, you can check Porto Cervo weather in April.

When comparing the weather in September and May, September typically boasts warmer temperatures, with an average of 24°C (75°F) and a maximum of 30°C (86°F), whereas May has cooler averages, with highs around 27°C (81°F). In terms of precipitation, May slightly edges out September, receiving around 54 mm (2.1 in) across 6 days compared to September's 46 mm (1.8 in) over 5 days. Humidity is also slightly higher in May at 72%, compared to 68% in September, making both months relatively comfortable but with distinct seasonal characteristics. For a detailed perspective on May weather, you can check Porto Cervo weather in May.

In September, the weather generally offers warmer temperatures compared to June, with an average of 24°C (75°F) and maximums reaching 30°C (86°F), while June’s average temperature stands at 23°C (73°F) with similar maximums of 30°C (87°F). Both months share the same minimum temperature of 16°C (61°F), but September experiences more precipitation, totaling 46 mm (1.8 in) over about 5 days, compared to June's 7 mm (0.3 in) over only 2 days. Humidity levels are slightly more pronounced in June at 70%, compared to September's 68%, making both months feel relatively comfortable for outdoor activities. For those interested, more details about the weather in June can be found at Porto Cervo weather in June.

When comparing the weather in September to July, September experiences a slightly cooler temperature range, with a minimum of 16°C (61°F) and a maximum of 30°C (86°F), compared to July’s warmer minimum of 20°C (69°F) and maximum of 32°C (90°F). The average temperature in September is 24°C (75°F), making it a comfortable month, whereas July averages at 26°C (79°F). Precipitation levels in September are notably higher, with 46 mm (1.8 in) occurring over about 5 days, while July sees only 4 mm (0.2 in) over just 1 day. Humidity remains fairly consistent, at 68% in September and 69% in July. For a more detailed look, you can check out Porto Cervo weather in July.

In comparing the weather of September to August, we see a noticeable drop in temperatures, with September averaging 24°C (75°F) compared to August's warmer 27°C (80°F). August features higher maximum temperatures, reaching up to 34°C (93°F), while September peaks at 30°C (86°F). Additionally, September experiences more precipitation, with 46 mm (1.8 in) over five days, compared to August's minimal rainfall of just 4 mm (0.2 in) over a single day. Humidity levels are somewhat similar, with September at 68% and August slightly lower at 66%. For more specific details on August weather trends, you can refer to Porto Cervo weather in August.

In September, temperatures in Porto Cervo range from a minimum of 16°C (61°F) to a maximum of 30°C (86°F), with an average of 24°C (75°F). The month sees about 46 mm (1.8 in) of precipitation over 5 days, and humidity levels are relatively moderate at 68%. Conversely, October experiences slightly cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 28°C (82°F), averaging 20°C (68°F). Precipitation remains similar at 44 mm (1.7 in), but it occurs across 7 days, resulting in higher humidity levels at 75%. For more details on October weather, you can check Porto Cervo weather in October.

September weather is typically warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 30°C (86°F) and an average of 24°C (75°F). It experiences relatively low precipitation at 46 mm (1.8 in) over about 5 days, coupled with a humidity level of 68%. In contrast, November brings cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 22°C (72°F), averaging at 16°C (61°F). This month sees significantly higher rainfall, totaling 115 mm (4.5 in) across 15 days and slightly increased humidity at 78%. For more details on the weather conditions during this month, you can visit Porto Cervo weather in November.

September and December display a notable contrast in weather patterns. In September, temperatures are warmer, with a minimum of 16°C (61°F) and an average of 24°C (75°F), reaching a maximum of 30°C (86°F). This month sees relatively lower precipitation at 46 mm (1.8 in) over about 5 days, accompanied by a humidity level of 68%. In contrast, December experiences cooler conditions, with a minimum temperature of 7°C (45°F) and an average of 13°C (56°F), peaking at 19°C (66°F). Precipitation increases slightly to 51 mm (2.0 in) spread over 9 days, and humidity rises to 76%. For more details on December weather, you can visit Porto Cervo weather in December.

Compare Porto Cervo's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Porto Cervo

As the summer winds down, September in Porto Cervo offers a delightful transition with warm temperatures that typically peak around 30°C (86°F) during the day, making it ideal for those wanting to bask in the late summer sun. Unlike the sweltering heat of July and August, the average temperature drops to a comfortable 24°C (75°F) for a more pleasant experience. Although some rainfall—averaging 46 mm—is possible over about five days, this moisture only enhances the region's lush landscapes. With humidity levels sitting at 68%, the air remains fresh and invigorating, providing a perfect backdrop for outdoor adventures. For a comprehensive look at the weather patterns year-round, be sure to check Porto Cervo Climate.