September Weather in Sardinia, Greece

Last updated: January 24, 2025

Experience the enchanting Sardinia in September, where the weather offers a delightful blend of warmth and cool breezes. With maximum temperatures reaching 34°C (94°F) and an average of 21°C (71°F), the island basks in a comfortable climate perfect for exploration. Nights can dip to a refreshing 9°C (49°F), providing an ideal setting for cozy evenings. Travelers should note that while 60 mm (2.3 in) of rain may fall over about 5 days, the month is generally characterized by pleasant, sun-drenched skies and a humidity level of 56%. Whether you're indulging in beach days or savoring local cuisine, September in Sardinia promises memorable experiences amidst striking natural beauty.

September Temperature in Sardinia

As summer gives way to autumn, Sardinia experiences a delightful shift in temperatures during September. This month showcases mild conditions, with minimums settling around 9°C (49°F), while the average temperature hovers at a comfortable 21°C (71°F). Days are still warm, peaking at a pleasant 34°C (94°F), making it an ideal time for outdoor activities and enjoying the island's stunning landscapes. The warmth gradually declines as September progresses, hinting at the cooler days of October ahead. This transitional period embodies a perfect balance, where the lingering summer heat softly embraces the crispness of fall.

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

The chart illustrates September temperature patterns in Sardinia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424650566471777871615446
Data source: Temperature data for Sardinia 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 Sardinia

September in Sardinia, Greece, marks a notable transition in the yearly weather patterns, with precipitation increasing to an average of 60 mm (2.3 in) over approximately 5 days of rain. This uptick follows the arid summer months of July and August, which recorded just 27 mm (1.1 in) and 17 mm (0.7 in), respectively. As summer relinquishes its grip, September brings a fresh influx of moisture, hinting at the approaching autumn. Although still relatively dry compared to the wetter months later in the year, this shift lays the groundwork for the significant increases observed in October and November, when precipitation rises to 95 mm (3.7 in) and 175 mm (6.9 in), respectively. It's a reminder of nature's rhythm, as the landscape begins to awaken again after a long, sun-soaked season.

September Precipitation Trends in Sardinia

The chart displays monthly precipitation patterns in Sardinia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec17815012273645927176095175257
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sardinia

September marks a pivotal transition in Sardinia, Greece, as the summer heat begins to wane. With a humidity level of 56%, September shows a slight increase from the preceding months of July and August, which recorded 56% and 47% humidity respectively. This gradual rise is characteristic of the transition into autumn, as the atmospheric conditions shift. While the humidity remains on the lower end compared to the earlier months of the year, it hints at the approaching seasonal change. The dip from January's 84% down to September emphasizes a notable trend: Sardinia's climate moves from a humid winter landscape toward a drier summer, only to regain some moisture in the fall. As autumn approaches, one can expect the crispness of cooler air, coupled with a touch of humidity that marks the beginning of a new season.

September Average Humidity in Sardinia

This chart illustrates the average monthly humidity levels in Sardinia, 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%78%76%70%72%60%56%47%56%70%80%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sardinia

In September, Sardinia experiences a UV Index of 8, marking a transition from the extreme levels of summer to a still very high exposure. As the sun's intensity remains strong, the recommended burn time is 15 minutes, urging outdoor enthusiasts to protect their skin. This contrasts with the peak months of June and July, where the UV Index soared to 11 and 10, respectively. Although the sun's rays begin to soften in October, September still beckons sun-seekers to enjoy warm days while staying vigilant against sunburn. For more detailed insights, visit Sardinia UV Index.

Maximum UV Index Levels in Sardinia for September

The chart shows the monthly maximum UV Index (UVI) for Sardinia 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.
JanFebMarAprMayJunJulAugSepOctNovDec3568101110108643
Data source: Sardinia 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 Sardinia

As summer gracefully transitions into autumn, September in Sardinia brings a delightful blend of warm days and refreshing breezes. With 346 hours of sunshine, this month allows visitors to bask in the lingering glow of summer, even as daylight begins to wane. Following the peak of 422 hours in July, sunlight starts to soften in August before settling into September's more mellow embrace. This trend underscores Sardinia's allure as a late-summer destination, where you can still enjoy beach outings and outdoor adventures in a comfortable climate. As the sun dips lower in October, with 304 hours, the beginning of fall casts a golden hue over the landscape, promising a stunning backdrop for explorers and nature lovers alike.

Monthly Sunshine Duration in Sardinia: September Highlighted

The September sunshine duration represents the total number of hours Sardinia 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.
JanFebMarAprMayJunJulAugSepOctNovDec199h249h322h341h393h404h422h395h346h304h254h230h
Data source: Sardinia September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sardinia During September

In Sardinia, Greece, September offers a delightful farewell to summer, boasting a 65% chance of sunny days. This marks a slight dip from the peak of 88% in August but remains significantly higher compared to the earlier months of the year. As summer transitions to autumn, September retains a substantial amount of sunshine, making it an ideal time for travelers seeking to enjoy warm weather and the island's stunning landscapes. While the sun's presence may wane as the year progresses, the month still promises enjoyable days that perfectly capture the lingering essence of summer.

Percentage of Sunny Days in September in Sardinia

The chart illustrates the percentage of sunny days in Sardinia 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 Sardinia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%51%43%45%59%71%85%88%65%45%28%40%
Data source: Sardinia September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sardinia in September

In September, Sardinia basks in about 12 hours of daylight, representing a gentle transition away from the long, sun-soaked days of summer. As the month unfolds, daylight begins to gradually wane from the peak of 14 hours experienced in June through August. This subtle shift heralds the arrival of autumn, inviting visitors to relish the warm, lingering evenings while also hinting at the shorter days to come. The month retains a beautiful balance—offering sun-drenched afternoons ideal for exploration, while the comfortable evenings encourage gatherings and festivities against the backdrop of a stunning Mediterranean sunset.

Average Daylight Hours in Sardinia for September

The chart illustrates the variation in daylight duration in Sardinia throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec586h644h718h794h858h890h873h816h743h668h602h568h
Data source: Sardinia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sardinia

As September unfolds in Sardinia, Greece, the gentle caress of the wind remains a constant companion, averaging 1.7 m/s (4 mph). This month, the winds reflect a slight decline compared to the summer peak, a trend observed throughout the warmer months, where speeds hovered around 1.6 to 1.7 m/s. Yet, September’s breeze is far from overwhelming, creating a serene backdrop for outdoor activities and leisurely strolls. As the season transitions, October promises a subtle uptick to 2.0 m/s, hinting at a gradual return of stronger gusts that mark the shift from summer's warmth to autumn's embrace. The consistent light wind throughout the year fosters an inviting atmosphere, perfect for embracing the stunning Sardinian landscape.

Average September Wind Speed in Sardinia

The chart displays monthly wind speed patterns in Sardinia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.81.71.81.71.41.61.61.7 m/s2.01.91.7
Data source: Sardinia September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sardinia Compares to Other Months

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

In September, weather in Sardinia showcases warm temperatures, with averages around 21°C (71°F) and highs reaching up to 34°C (94°F), making it a pleasant month for outdoor activities. However, the humidity sits at a moderate 56%, and the region experiences about 60 mm (2.3 in) of precipitation over approximately 5 days. In stark contrast, January brings a dramatic shift with much colder conditions; the average temperature drops to around 5°C (42°F), with minimums plunging to -8°C (18°F) and maximums capping at 20°C (67°F). The winter month sees significantly higher precipitation, totaling 178 mm (7.0 in) over about 12 days, accompanied by higher humidity levels at 84%. For a more detailed look at January conditions, you can visit Sardinia weather in January.

September and February showcase contrasting weather patterns. In September, temperatures range from a mild 9°C (49°F) at night to a warm 34°C (94°F) during the day, with an average of 21°C (71°F). The month sees less precipitation, averaging 60 mm (2.3 in) over just 5 days, and a relatively lower humidity of 56%. In contrast, February brings much cooler weather, with temperatures dipping to a minimum of -5°C (23°F) and peaking at a maximum of 19°C (67°F), averaging only 8°C (47°F). This month experiences significantly more rainfall, with 150 mm (5.9 in) spread over 11 days, accompanied by higher humidity levels of 78%. For more detailed insights, you can check the Sardinia weather in February.

When comparing the weather in September to that of March, there are significant differences in temperature and precipitation. September boasts a warm average of 21°C (71°F), with maximum temperatures reaching up to 34°C (94°F), while March sees a much cooler average of 10°C (50°F), peaking at 22°C (72°F). Additionally, September experiences less rainfall, averaging 60 mm (2.3 in) over 5 days, compared to March, which receives a notable 122 mm (4.8 in) over 12 days. The humidity levels are also distinct, with September at 56% and March higher at 75%. For more detailed insights into the weather patterns, you can refer to this link: Sardinia weather in March.

When comparing the weather in September and April, notable differences emerge. September boasts warmer temperatures with an average of 21°C (71°F) and maximum highs reaching up to 34°C (94°F), making it a much hotter month overall. In contrast, April has cooler temperatures, with averages around 14°C (57°F) and maximums peaking at 28°C (83°F).

Precipitation is also higher in April, with 73 mm (2.9 in) across 10 rainy days compared to September's 60 mm (2.3 in) over just 5 days. Humidity levels are slightly lower in September at 56%, while April experiences a higher humidity level of 70%. For more details on Sardinia's weather in April, you can check Sardinia weather in April.

In September, temperatures typically range from a minimum of 9°C (49°F) to a warm average of 21°C (71°F), peaking at a hot 34°C (94°F). The month experiences about 60 mm (2.3 in) of precipitation over just 5 days, with a humidity level of 56%. In contrast, May sees slightly cooler temperatures, with a minimum of 7°C (45°F) and an average of 18°C (65°F), while still reaching up to 34°C (94°F). However, May has a higher precipitation level of 64 mm (2.5 in) spread over 12 days, resulting in a higher humidity of 72%. For more details on May weather conditions, you can check Sardinia weather in May.

When comparing the weather in September and June, both months exhibit warm temperatures but with slight differences. September has a minimum temperature of 9°C (49°F) and an average of 21°C (71°F), reaching a maximum of 34°C (94°F). In contrast, June sees slightly warmer conditions with a minimum of 10°C (51°F) and an average of 22°C (72°F), peaking at 36°C (97°F). Precipitation levels are similar, with September receiving 60 mm (2.3 in) over approximately 5 days, while June has a comparable total of 59 mm (2.3 in) but spreads across 11 days, indicating more frequent rain. Humidity is also slightly higher in June at 60%, compared to September's 56%. For more specific weather insights, you can explore Sardinia weather in June.

When comparing the weather of September and July, it's clear that July tends to be hotter and more humid. With minimum temperatures of 16°C (61°F) and maximums reaching up to 38°C (101°F), July averages around 25°C (78°F) while experiencing only 27 mm (1.1 in) of precipitation over four days. In contrast, September begins to cool down, showcasing a minimum of 9°C (49°F) and maximums that can rise up to 34°C (94°F) with an average of 21°C (71°F). Rainfall increases slightly to 60 mm (2.3 in) over five days, indicating a shift toward a more variable climate. Both months share a humidity level of 56%, but July's higher temperatures lend it a distinctly warmer feel. For more detailed insights on July weather, visit Sardinia weather in July.

September weather tends to be more moderate compared to August. While September experiences a minimum temperature of 9°C (49°F) and an average of 21°C (71°F), August is notably warmer, with temperatures ranging from a minimum of 15°C (60°F) to an average of 26°C (79°F). Additionally, August sees higher maximum temperatures, peaking at 39°C (102°F), whereas September's maximum only reaches 34°C (94°F).

Rainfall is more prevalent in September, with 60 mm (2.3 in) over five days, compared to August's relatively dry conditions of 17 mm (0.7 in) over three days. The humidity is also higher in September, sitting at 56%, compared to August's 47%. For more details about August weather, you can visit Sardinia weather in August.

September typically experiences warmer temperatures, with average highs reaching up to 34°C (94°F) compared to October’s maximum of 29°C (85°F). The nights in September are also milder, with minimum temperatures around 9°C (49°F), while October sees a cooler minimum of 6°C (43°F). Additionally, October tends to be wetter, receiving 95 mm (3.7 in) of precipitation over 7 days, in contrast to September’s 60 mm (2.3 in) spread across 5 days. The increase in humidity from 56% in September to 70% in October adds to the overall shift in weather, making October feel more damp and cooler. For more detailed insights, check out Sardinia weather in October.

September typically offers warmer temperatures with an average of 21°C (71°F) and highs reaching up to 34°C (94°F). The weather is generally drier, with only about 60 mm (2.3 in) of precipitation over 5 days, and a humidity level of 56%. In contrast, November brings a noticeable drop in temperature, averaging around 12°C (54°F) and peaking at 26°C (79°F). This month also experiences significantly more rainfall, totaling 175 mm (6.9 in) over 11 days, coupled with higher humidity at 80%. For a closer look at the specific conditions you can expect in November, check out Sardinia weather in November.

In September, temperatures in Sardinia are warm, with a minimum of 9°C (49°F), an average of 21°C (71°F), and a maximum of 34°C (94°F), creating a pleasant climate for outdoor activities. The month experiences relatively low precipitation, with about 60 mm (2.3 in) over approximately 5 days, and a moderate humidity level of 56%.

In contrast, December brings significantly cooler temperatures, with a minimum of -2°C (28°F), an average of 8°C (47°F), and a maximum of 18°C (64°F). This month also sees increased precipitation, totaling 257 mm (10.1 in) spread over around 14 days, contributing to a higher humidity level of 83%. For a more detailed look at December weather in Sardinia, you can check Sardinia weather in December.

Compare Sardinia's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sardinia

As summer transitions to autumn, September in Sardinia presents a delightful change in weather. With average temperatures hovering around a pleasant 21°C (71°F), the oppressive heat of the peak summer months dissipates, allowing visitors to enjoy outdoor activities comfortably. While the occasional rain may grace the island—with about 60 mm of precipitation over just a few days—the overall humidity remains a manageable 56%, creating an inviting atmosphere. This balance of warmth and mildness, combined with stunning landscapes, makes September an ideal time to explore Sardinia’s natural beauty and vibrant culture. For a deeper understanding of what to expect throughout the year, check out the full details on Sardinia Climate.