September Weather in Posada, Italy

Last updated: March 24, 2025

In September, Posada, Italy, enjoys a delightful climate characterized by average temperatures hovering around 23°C (74°F), with peaks reaching a warm 29°C (85°F). As the month progresses, the temperature gently cools down to a comfortable minimum of 15°C (59°F). While visitors can bask in ample sunshine, they should be prepared for occasional rain, as the area experiences about 67 mm (2.6 in) of precipitation over approximately 8 days. The humidity level settles at 68%, contributing to a pleasantly mild atmosphere ideal for exploring the stunning coastal scenery and rich cultural heritage of this charming Italian town.

September Temperature in Posada

As summer gracefully transitions into autumn, September in Posada, Italy offers a delightful climate that perfectly balances warmth and comfort. With minimum temperatures around 15°C (59°F) and averaging 23°C (74°F) during the day, this month showcases a lovely warmth that invites outdoor adventures. The daytime highs can reach an inviting 29°C (85°F), making it ideal for beach visits or exploring the picturesque countryside. While the evenings may be a touch cooler, this transition allows for a refreshing crispness in the air, heralding the arrival of autumn. Overall, September presents a charming window for enjoying Posada's scenic beauty and rich culture in comfortably warm weather.

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

The chart illustrates September temperature patterns in Posada, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec525354586472787973676055
Data source: Temperature data for Posada 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 Posada

In September, Posada experiences a noticeable uptick in precipitation, with 67 mm (2.6 in) of rainfall over 8 days. This marks a return to more regular rainfall patterns after the dry summer months, where July and August saw minimal amounts. The increase in precipitation is indicative of the changing seasons, transitioning from the arid heat of summer to the more temperate and moist conditions of autumn. With this significant drop in temperature and increased humidity, the landscape begins to take on a lush, vibrant character as nature prepares for the autumn months ahead. Such patterns suggest a clear rhythm to the climate in Posada, where September acts as a bridge, rejuvenating the environment following the dry spell.

September Precipitation Trends in Posada

The chart displays monthly precipitation patterns in Posada, 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.
JanFebMarAprMayJunJulAugSepOctNovDec71405047661137675213444
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Posada

September in Posada, Italy, marks a subtle shift in the summer humidity trend, with levels slightly rising to 68%. Following the decline seen during the summer months— where humidity dipped to a comfortable 66% in August—this increase signals the onset of autumn. The humidity in September is a nice balance, higher than the midsummer lows but notably lower compared to the wet winter months ahead, such as 79% in January and 78% in November. As the seasons transition, Posada offers a refreshing atmosphere, making it an ideal time for outdoor activities before the cooler temperatures fully take hold.

September Average Humidity in Posada

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

In September, Posada, Italy, welcomes the waning summer sun with a UV Index of 8, placing it in the very high exposure category. This means that sun lovers should be cautious, as the potential for skin damage intensifies, with a burn time of just 15 minutes. Notably, September's UV levels mirror those of the peak summer months, though gradually transitioning as winter approaches. As you enjoy the stunning Sardinian landscapes, remember to take necessary precautions and stay protected from those lingering rays. For detailed insights into monthly UV trends, visit Posada UV Index.

Maximum UV Index Levels in Posada for September

The chart shows the monthly maximum UV Index (UVI) for Posada 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Posada 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 Posada

In September, Posada, Italy, basks in a delightful 340 hours of sunshine, marking a gentle transition from the summer's peak. After basking in 428 hours of sunlight in July, the days begin to shorten, yet September still offers a generous amount of sun, easily outshining the earlier winter months such as November and December, which see only 255 and 254 hours, respectively. This month balances the lingering warmth of summer with the promise of autumn, making it an ideal time for leisurely walks along the stunning coast or exploring the charming streets of the town as nature begins to showcase its beautiful fall colors.

Monthly Sunshine Duration in Posada: September Highlighted

The September sunshine duration represents the total number of hours Posada 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.
JanFebMarAprMayJunJulAugSepOctNovDec204h267h330h354h406h413h428h397h340h316h255h254h
Data source: Posada September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Posada During September

As summer gives way to autumn in Posada, Italy, the likelihood of sunny weather in September sees a noticeable dip, with only a 48% chance of sunshine. This marks a contrast to the peak summer months of July and August, where the sun graces the area 75% and 76% of the time, respectively. Interestingly, September's sunshine probability is nearly on par with the 50% chance observed in October, indicating a gentle transition into the cloudier months ahead. With a richness of mild weather still lingering, early autumn in Posada remains a charming time to enjoy outdoor activities, even if the sun isn't as generous as in the height of summer.

Percentage of Sunny Days in September in Posada

The chart illustrates the percentage of sunny days in Posada 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 Posada experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%52%55%52%52%65%75%76%48%50%36%57%
Data source: Posada September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Posada in September

As summer transitions into autumn, September in Posada, Italy, experiences a gentle decline in daylight, offering about 12 hours of sunlight. This marks a noticeable shift from the sun-soaked days of July, which boasts a peak of 14 hours. Following the vibrant blooms of late spring and the long, bright days of summer, September heralds a cozy, golden dusk that invites both reflection and relaxation. The gradual tapering of daylight mirrors the natural rhythms of the season, completing a vivid cycle that begins anew as the year moves towards the cooler months. With October around the corner, daylight dips further to 11 hours, hinting at the approaching winter days where the charm of twilight becomes more pronounced.

Average Daylight Hours in Posada for September

The chart illustrates the variation in daylight duration in Posada throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 36m10h 38m11h 57m13h 18m14h 27m15h 2m14h 43m13h 42m12h 25m11h 4m9h 53m9h 17m
Data source: Posada daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Posada

As summer gracefully transitions into autumn, September in Posada, Italy offers a gentle breeze with an average wind speed of 3.5 m/s (8 mph). This slight uptick from August's calm winds signifies a shift in the air, hinting at the cooler days to come. Earlier months reveal a consistent pattern, where wind speeds linger around 4.0 m/s during the spring and early summer, offering delightful conditions for leisurely outdoor activities. Interestingly, September's breezy ambiance continues this transitional trend, paving the way for October's gusts to return to 4.4 m/s (10 mph). Overall, the winds of Posada reflect the seasonal ebbs and flows, providing an inviting atmosphere for both locals and visitors alike as they embrace the charm of early autumn.

Average September Wind Speed in Posada

The chart displays monthly wind speed patterns in Posada, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.54.44.04.04.03.24.03.43.5 m/s4.44.05.1
Data source: Posada September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Posada Compares to Other Months

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

September and January present contrasting weather conditions. In September, temperatures typically range from a minimum of 15°C (59°F) to a maximum of 29°C (85°F), with an average of 23°C (74°F), making it a relatively warm month. While there is some rainfall, averaging 67 mm (2.6 in) over about 8 days, humidity stands at a comfortable 68%. In stark contrast, January experiences much cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 19°C (66°F), averaging only 11°C (53°F). Precipitation slightly increases to 71 mm (2.8 in) over the same number of days, but the humidity rises to 79%, contributing to a chillier atmosphere. For a more detailed look at January weather, you can check Posada weather in January.

In September, the weather is noticeably warmer, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 29°C (85°F) and an average of 23°C (74°F). This month experiences a higher total precipitation of 67 mm (2.6 in) over approximately 8 days, along with a humidity level of 68%. In contrast, February brings a much cooler climate, with temperatures varying from a chilly 3°C (37°F) to a more moderate 20°C (68°F) and averaging at 12°C (54°F). The total precipitation in February is lower at 40 mm (1.6 in) over about 6 days, but humidity is slightly higher at 72%. For a detailed look at February weather, check out Posada weather in February.

In comparing the weather of September and March, September boasts warmer temperatures with a minimum of 15°C (59°F) and an average of 23°C (74°F), peaking at a maximum of 29°C (85°F). In contrast, March is significantly cooler, with temperatures ranging from a minimum of 4°C (40°F) to an average of 12°C (55°F), and a maximum of only 19°C (67°F). While September sees more precipitation at 67 mm (2.6 in) over 8 days, March experiences a slightly lower amount of 50 mm (2.0 in) over 7 days, with both months reflecting relatively high humidity levels at 68% and 70%, respectively. For those considering a visit during this time, you can find more details here: Posada weather in March.

In comparing the weather of September and April, September tends to be warmer, with average temperatures ranging between 15°C (59°F) and 29°C (85°F), while April features cooler temperatures, with averages from 7°C (45°F) to a maximum of 22°C (72°F). Additionally, September experiences more rainfall than April, recording 67 mm (2.6 in) over 8 days, compared to April's 47 mm (1.9 in) over 9 days. However, April's humidity is slightly higher at 74%, compared to September's 68%. For more details on April conditions, check out Posada weather in April.

In September, the weather typically features warmer temperatures, with a minimum of 15°C (59°F) and an average of 23°C (74°F), peaking at 29°C (85°F). This month sees slightly higher humidity at 68% and about 67 mm (2.6 in) of precipitation over approximately 8 days. In contrast, May brings cooler conditions, with temperatures ranging from a minimum of 10°C (50°F) to an average of 18°C (64°F), and a maximum of 27°C (82°F). The precipitation levels are similar, with 66 mm (2.6 in) over about 6 days, but the humidity is a tad higher at 72%. For more detailed insights, you can check Posada weather in May.

In comparing the weather of September and June, we notice some distinct differences. September typically experiences slightly warmer average temperatures, ranging from a minimum of 15°C (59°F) to a maximum of 29°C (85°F), while June features temperatures that span from 15°C (60°F) to a higher maximum of 33°C (91°F). Precipitation levels in September are also notably higher, with 67 mm (2.6 in) falling over about 8 days, compared to just 10 mm (0.4 in) over 2 days in June. Additionally, humidity is quite similar, with September at 68% and June slightly higher at 70%. For more information on the weather in this region, you can check out Posada weather in June.

In comparing the weather between September and July, we can see notable differences. September offers a lower temperature range with minimums around 15°C (59°F) and maximums reaching 29°C (85°F), while July begins warmer, with lows around 20°C (67°F) and highs peaking at 32°C (90°F). Additionally, September experiences significantly more precipitation, with 67 mm (2.6 in) over 8 days, compared to the very dry July, which sees only 3 mm (0.1 in) across just 1 day. Humidity levels are quite similar, with September at 68% and July at 69%. For those interested in more detailed insights, Posada weather in July provides additional information on summer conditions.

September weather tends to be milder than August, with average temperatures dropping from 26°C (79°F) in August to 23°C (74°F) in September. The maximum temperatures also decline significantly, from 33°C (91°F) in August to 29°C (85°F) in September. Additionally, September experiences more rainfall, with 67 mm (2.6 in) over 8 days compared to just 7 mm (0.3 in) on 1 day in August. Humidity levels remain fairly consistent, slightly increasing from 66% in August to 68% in September. For more detailed information, check out Posada weather in August.

September and October showcase a gradual transition in weather patterns. September boasts warmer temperatures, with an average of 23°C (74°F) and maximums reaching up to 29°C (85°F), making it feel quite summery. In contrast, October sees a slight dip in the average to 19°C (67°F), while still enjoying pleasant days with maximums of 28°C (83°F). Precipitation also decreases slightly from 67 mm (2.6 in) in September to 52 mm (2.0 in) in October, although both months experience rain on about 8 days. Additionally, October brings higher humidity at 75%, compared to September’s 68%. For more detailed insights, you can check the Posada weather in October.

September typically offers warmer and more pleasant conditions, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 29°C (85°F) and an average of 23°C (74°F). It experiences a relatively moderate amount of rainfall, with around 67 mm (2.6 in) over about 8 days, and humidity sits at 68%. In contrast, November sees a significant drop in temperatures, with a minimum of 8°C (46°F) and a maximum of 22°C (72°F), averaging 16°C (60°F). The month is notably wetter, with precipitation reaching 134 mm (5.3 in) across approximately 13 days and humidity rising to 78%. For more detailed insights into the weather during this month, you can check out Posada weather in November.

September and December present contrasting weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 29°C (85°F), with an average of 23°C (74°F), making it a warm and pleasant month. On the other hand, December experiences cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 19°C (66°F), averaging just 13°C (55°F). While September sees higher rainfall at 67 mm (2.6 in) over about 8 days, December has a lower total of 43 mm (1.7 in), yet the humidity is slightly higher at 76%. For more details on December weather, you can visit Posada weather in December.

Compare Posada's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Posada

As September unfolds in Posada, the weather begins to reflect a delightful transition from the heat of summer to the milder embrace of autumn. With average temperatures hovering around a pleasant 23°C (74°F), the month offers a perfect balance, making it ideal for outdoor exploration. While the humidity remains fairly high at around 68%, the 2.6 inches of rain scattered over eight days provides essential freshness to the landscape. This unique blend of warmth and occasional showers not only sets September apart from the sweltering summer months but also enhances the vibrant natural beauty of the region. For those considering a visit, the moderate climate in September offers an inviting experience unlike any other—where you can bask in the beauty of Posada while enjoying the serene atmosphere. To learn more about the overall climate, visit Posada Climate.