September Weather in Ossuccio, Italy

Last updated: March 24, 2025

In September, Ossuccio, Italy, experiences a delightful transition into autumn, characterized by mild temperatures and a vibrant atmosphere. With maximums reaching 25°C (78°F) and an average of 16°C (61°F), the days are pleasantly warm, while the evenings can cool down to a refreshing 4°C (39°F). This month sees an average precipitation of 161 mm (6.3 in), spread across approximately 14 days, creating a lush landscape amid the stunning lakeside views. Humidity levels hover around 74%, adding a gentle warmth to the air, making it an ideal time for exploring Ossuccio's natural beauty and cultural treasures.

September Temperature in Ossuccio

In September, Ossuccio, Italy, enjoys a delightful transition from the summer heat to the cooler embrace of autumn. With minimum temperatures dipping to around 4°C (39°F) and maximums reaching a pleasant 25°C (78°F), the month showcases a comfortable average of 16°C (61°F). This notable shift reflects the gradual cooling trend as the days shorten, inviting visitors to experience the scenic beauty of the region with mild weather perfect for outdoor activities and exploration. As the landscape begins to showcase hints of fall, September in Ossuccio offers an ideal blend of warmth and crispness, making it a lovely time to soak in the breathtaking vistas of Lake Como.

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

The chart illustrates September temperature patterns in Ossuccio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343843505665686861534436
Data source: Temperature data for Ossuccio 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 Ossuccio

September in Ossuccio, Italy, typically marks a transitional phase as summer wanes. With an average precipitation of 161 mm (6.3 in) over about 14 days, the rainfall is a notable dip from the summer months but still significant enough to sustain the lush landscape. Following a pattern of increasing rainfall from January to August, September's totals showcase a shift, heralding the onset of autumn. This month’s precipitation, while less than in August’s peak of 222 mm (8.7 in), aligns with the gradual cooling and the changing seasons, setting the stage for the wetter October, which further enriches the region's natural beauty. Thus, September serves as a bridge, nourishing the earth with both moisture and the anticipation of the vibrant fall foliage to come.

September Precipitation Trends in Ossuccio

The chart displays monthly precipitation patterns in Ossuccio, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4852105162202219187222161223177108
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ossuccio

As summer fades into autumn, September in Ossuccio, Italy, witnesses a gentle rise in humidity levels, reaching 74%. This marks a notable shift from the drier months of July and August, where humidity dropped to its annual low of 67% and 64%, respectively. While September's levels are higher than those fleeting summer days, they still remain significantly lower than the dampness that envelops the town in the winter months, with October soaring back to 87% and November holding steady at 88%. The trend illustrates a seasonal ebb and flow, as Ossuccio transitions from the warmth of summer into the cooler, more humid embrace of fall, painting a vivid picture of the region’s climatic rhythm.

September Average Humidity in Ossuccio

This chart illustrates the average monthly humidity levels in Ossuccio, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%81%76%77%74%71%67%64%74%87%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ossuccio

As summer transitions into autumn, September in Ossuccio, Italy, marks a slight decline in the UV Index, which stands at 7, categorized as high. This indicates a need for care as the burn time shortens to 25 minutes. Notably, the UV Index gradually elevated throughout the summer months, peaking at 9 from June to August, with very high exposure risks leading to minimal burn times of just 15 minutes. In comparison, January begins with a low UV Index of 2, signaling a significant seasonal variation. As you enjoy the expert beauty of Ossuccio in September, be sure to stay informed and protect your skin. For more details on UV trends, check out the Ossuccio UV Index.

Maximum UV Index Levels in Ossuccio for September

The chart shows the monthly maximum UV Index (UVI) for Ossuccio 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.
JanFebMarAprMayJunJulAugSepOctNovDec236689997532
Data source: Ossuccio 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 Ossuccio

In September, Ossuccio, Italy, basks in a delightful 326 hours of sunshine, subtly signaling the transition from the summer's vibrant glow to the more temperate autumn. As the days shorten, this month still enjoys a generous amount of sunlight, though it's a dip from the peak of 422 hours in July. The sunshine hours gradually decrease during this time of year, with October following close behind at 285 hours. September allows residents and visitors alike to savor the lingering warmth and brilliant light, providing the perfect backdrop for exploring the charming landscapes and tranquil lakeside vistas before the cooler months set in. This rhythmic ebb and flow of sunlight exemplifies the beauty of seasonal change in this picturesque Italian locale.

Monthly Sunshine Duration in Ossuccio: September Highlighted

The September sunshine duration represents the total number of hours Ossuccio 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.
JanFebMarAprMayJunJulAugSepOctNovDec187h236h311h338h379h403h422h381h326h285h207h209h
Data source: Ossuccio September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ossuccio During September

In September, Ossuccio, Italy experiences a 37% chance of sunny weather, which marks a slight decline from the summer months. This decrease follows August's 53% probability, where sunshine reigns supreme, making the transition into early autumn feel a bit cloudier. Interestingly, September sits below the annual average, reflecting a notable shift toward increased variability in weather patterns as the season changes. As fall approaches, visitors can expect more unpredictable skies, with opportunities for both sun and the crispness of early autumn, making for a charming yet diverse experience in this picturesque Italian locale.

Percentage of Sunny Days in September in Ossuccio

The chart illustrates the percentage of sunny days in Ossuccio 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 Ossuccio experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%42%62%43%42%40%44%53%37%42%41%49%
Data source: Ossuccio September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ossuccio in September

As September arrives in Ossuccio, Italy, the days begin their gradual descent into winter, offering around 12 hours of daylight. This month marks a significant transition, where the abundant summer light—reaching a peak of 15 hours in June and July—slowly gives way to shorter days. After the peak summer burst, the daylight hours diminish more noticeably as autumn approaches, following a trajectory that showcases a subtle yet captivating rhythm of nature. With 14 hours in August preceding September, the reduction becomes a gentle reminder of the changing seasons, setting the stage for October's 10 hours and the eventual arrival of winter's crisp, shorter days.

Average Daylight Hours in Ossuccio for September

The chart illustrates the variation in daylight duration in Ossuccio throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 6m10h 21m11h 56m13h 33m14h 57m15h 39m15h 17m14h 3m12h 29m10h 52m9h 27m8h 42m
Data source: Ossuccio daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ossuccio

As September unfolds in Ossuccio, Italy, the gentle breeze begins to whisper with an average wind speed of 1.1 m/s (2 mph), marking a subtle shift as the summer warmth gradually recedes. This slight decrease reflects a broader trend, as wind speeds have remained predominantly low throughout the summer months, hovering around 1.2 to 1.4 m/s (3-4 mph). With the onset of autumn, one can sense a calming stillness in the air, foreshadowing the cooler months ahead. Interestingly, while September is among the least breezy months, it paves the way for October’s mild revival to 1.2 m/s. Thus, even in the gentlest of winds, the changing seasons provide a serene backdrop to the stunning vistas of Ossuccio, offering a peaceful transition from the vibrancy of summer to the tranquility of fall.

Average September Wind Speed in Ossuccio

The chart displays monthly wind speed patterns in Ossuccio, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.21.41.41.41.21.41.21.1 m/s1.21.41.7
Data source: Ossuccio September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ossuccio Compares to Other Months

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

In September, the weather in Ossuccio is generally mild, with temperatures ranging from a cool minimum of 4°C (39°F) to a comfortable maximum of 25°C (78°F) and an average of 16°C (61°F). However, this month also experiences considerable rainfall, with a total precipitation of 161 mm (6.3 in) falling over 14 days and humidity levels at 74%. In contrast, January brings a stark change with much colder temperatures that can dip as low as -11°C (12°F) and an average of just 1°C (35°F), reaching a maximum of 12°C (53°F). Precipitation is lower in January at 48 mm (1.9 in) over 7 days, yet the humidity rises to a notable 88%. For more insights into January's climate, visit Ossuccio weather in January.

September and February present contrasting weather patterns. In September, temperatures are relatively mild, with averages around 16°C (61°F) and highs reaching up to 25°C (78°F). The weather is often humid, with 14 days of precipitation totaling 161 mm (6.3 in). In stark contrast, February experiences much colder conditions, with average temperatures hovering around 3°C (39°F) and lows plummeting to -12°C (10°F). While February sees significantly less precipitation, at 52 mm (2.0 in) over 8 days, the humidity remains high at 81%. For more detailed insights on February weather, you can visit Ossuccio weather in February.

In September, temperatures are generally milder, with a minimum of 4°C (39°F) and an average of 16°C (61°F), reaching a maximum of 25°C (78°F), while in March, the weather is considerably cooler, with a minimum of -8°C (17°F) and an average of 6°C (43°F), peaking at 20°C (68°F). Precipitation is more abundant in September at 161 mm (6.3 in) over 14 days, compared to March's 105 mm (4.1 in) over 11 days. Humidity remains relatively high in both months, with September at 74% and March slightly higher at 76%. For more detailed information on March weather, visit Ossuccio weather in March.

When comparing the weather in September and April, we observe distinct seasonal differences. September tends to be milder with an average temperature of 16°C (61°F) and maximum highs reaching 25°C (78°F), while April's average is lower at 10°C (50°F), with temperatures occasionally dipping to a minimum of -2°C (28°F). Both months experience similar levels of rainfall, with September receiving 161 mm (6.3 in) over 14 days and April slightly more at 162 mm (6.4 in) over 13 days. Additionally, humidity is slightly higher in April at 77% compared to September's 74%. For more detailed insights on April weather in this region, you can check Ossuccio weather in April.

When comparing the weather in September and May, we see distinct differences despite some similarities. September boasts an average temperature of 16°C (61°F), with a range from 4°C (39°F) to a maximum of 25°C (78°F). In contrast, May has slightly cooler averages at 14°C (57°F), with temperatures ranging from 1°C (33°F) to 26°C (80°F). Rainfall is notably higher in May, with 202 mm (8.0 in) over 19 days, compared to September's 161 mm (6.3 in) spread over 14 days. Both months share a humidity level of 74%, making for a generally moist atmosphere. For a more detailed look at May's weather, visit Ossuccio weather in May.

In September, the weather tends to be milder with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 25°C (78°F), averaging around 16°C (61°F). The month experiences considerable precipitation, totaling 161 mm (6.3 in) over approximately 14 days, along with a humidity level of 74%. In contrast, June is typically warmer, featuring temperatures that range from a minimum of 8°C (46°F) to a maximum of 33°C (92°F), with an average of 18°C (65°F). However, it also sees higher precipitation levels, accumulating 219 mm (8.6 in) across about 17 days, while maintaining a slightly lower humidity of 71%. For more detailed information on June weather, you can visit Ossuccio weather in June.

In comparing the weather of September and July, it's clear that July tends to be warmer, boasting minimum temperatures of 10°C (50°F) and maximums reaching 30°C (86°F), with an average of 20°C (68°F). In contrast, September sees cooler temperatures, with a minimum of 4°C (39°F), an average of 16°C (61°F), and a maximum of 25°C (78°F). Additionally, while July experiences slightly more precipitation at 187 mm (7.4 in) over 17 days, September has 161 mm (6.3 in) spread across 14 days. Humidity levels also differ, as July is relatively less humid at 67% compared to September's 74%. For more detailed insights, you can check Ossuccio weather in July.

Comparing the weather of September to that of August reveals some notable differences. In September, temperatures are cooler, with a minimum of 4°C (39°F) and a maximum reaching 25°C (78°F), compared to August's milder range of 10°C (50°F) to 30°C (86°F). Precipitation also varies, with September experiencing 161 mm (6.3 in) over 14 days, while August sees a higher total of 222 mm (8.7 in) across 17 days. Additionally, September tends to be more humid at 74%, compared to August's 64%. For more details on August weather, you can check Ossuccio weather in August.

As September transitions into October, the weather experiences notable changes. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 25°C (78°F), with an average of 16°C (61°F). The month sees a fair amount of rain, with 161 mm (6.3 in) of precipitation recorded over 14 days, accompanied by a humidity level of 74%.

Conversely, October brings cooler temperatures, with minimums dropping to 1°C (35°F) and an average of 11°C (53°F), while the maximum temperature reaches 23°C (73°F). This month experiences increased precipitation, totaling 223 mm (8.8 in) over 11 days, and humidity rises significantly to 87%. For more detailed insights into the weather patterns, check out Ossuccio weather in October.

September and November offer contrasting weather experiences. In September, temperatures range from a mild 4°C (39°F) at night to a warm 25°C (78°F) during the day, with an average temperature of 16°C (61°F). The month sees around 161 mm (6.3 in) of precipitation over 14 days, along with a moderate humidity level of 74%. In contrast, November temperatures drop significantly, with nighttime lows plummeting to -3°C (27°F) and daytime highs peaking at only 16°C (61°F), leading to an average temperature of just 7°C (44°F). The latter month is wetter, with 177 mm (7.0 in) of rainfall over 13 days and higher humidity at 88%. For more detailed information on the climate, you can check Ossuccio weather in November.

In September, the weather is generally mild, with temperatures ranging from a minimum of 4°C (39°F) to a pleasant maximum of 25°C (78°F), accompanied by an average temperature of 16°C (61°F). However, the month sees substantial rainfall, with 161 mm (6.3 in) spread over 14 days, leading to a humidity level of 74%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -9°C (17°F) and an average of just 2°C (37°F). Though the maximum temperature reaches 13°C (55°F), the month experiences less precipitation at 108 mm (4.2 in) over 9 days, accompanied by higher humidity at 85%. To learn more about the colder December conditions, you can check out Ossuccio weather in December.

Compare Ossuccio's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ossuccio

As September unfolds in Ossuccio, the weather presents a delightful transition from the warmth of summer to the cool embrace of autumn. With a maximum temperature that still hovers around a pleasant 25°C, days remain bright and inviting, yet the average daytime temperature settles at a more comfortable 16°C, allowing for enjoyable outdoor activities without the extreme heat of peak summer. However, the month does bring an increase in precipitation, with about 14 days experiencing some rain, contributing to a humidity level of 74% that blankets the region. This shift creates a vibrant landscape, perfect for those looking to explore the stunning surroundings. For a deeper dive into the year-round climate patterns, check out Ossuccio Climate.