Last updated: March 24, 2025
Discover the enchanting weather of Cernobbio, Italy, in September, where the charm of early autumn captivates visitors. Temperatures peak at a delightful 29°C (84°F), while enjoying a mild average of 19°C (66°F) in the heart of the season. As the evenings cool down, expect refreshing lows of 8°C (46°F). Although rainfall is noted with 146 mm (5.8 in) over 11 days, the scenery remains vibrant, enhanced by a moderate humidity of 74%. This picturesque blend of warmth and occasional showers creates an inviting atmosphere for exploration and relaxation by the beautiful Lake Como.
September in Cernobbio, Italy marks a delightful transition into autumn, with temperatures showcasing a warm yet comfortable range. The month opens with a minimum of 8°C (46°F) and peaks at a pleasant 29°C (84°F), encouraging outdoor activities amidst the scenic beauty of Lake Como. The average temperature hovers around 19°C (66°F), signifying a perfect blend of warmth and the crispness that the changing season brings. As summer's heat begins to wane, September provides an ideal backdrop for exploring this charming town, where mild weather invites leisurely strolls along the lakeside and exploration of its rich history. This time of year is truly a sweet spot, striking a balance between the lingering warmth of summer and the refreshing coolness of autumn.
In September, Cernobbio experiences a notable shift in rainfall patterns, as precipitation reaches 146 mm (5.8 in), maintaining a robust intensity similar to the summer months. This uptick occurs over an average of 11 days, striking a balance between the wetter earlier months and the drier ones that follow. The rain in September serves as a transition, setting the stage for the autumn months, where the landscape begins to show hints of changing colors. Interestingly, while precipitation in June and July peaks at slightly higher levels, the decrease towards the end of the year remains relatively gradual. This seasonal consistency highlights Cernobbio's characteristic Mediterranean climate, marked by its lush, vibrant scenery well into fall.
In Cernobbio, Italy, September marks a noticeable shift in humidity as it hovers around 74%, a moderate level that offers a comfortable transition into autumn. Following the summer months, when humidity peaked at a low of 64% in August, September welcomes a slight increase, resembling the drier conditions of late spring. This signals a gradual return to the wetter months, as the humidity climbs again to 87% by October. Overall, Cernobbio experiences a consistent trend of higher humidity levels in the latter half of the year, beginning in October, which can make for lush, vibrant landscapes as the region prepares for the cooler, rainier autumn.
As September rolls into Cernobbio, the UV Index reflects a notable shift from the peak summer months. With a UV Index of 6, categorized as high, sun exposure becomes more crucial, with a burn time of 25 minutes. This represents a decrease from the intense very high levels experienced in July and August, where the index reached 9 and burn times plummeted to just 15 minutes. The trend highlights the transition towards milder sun conditions as autumn approaches, yet caution is still warranted to protect against potential skin damage. Whether you're enjoying a lakeside stroll or exploring the charming streets, it's wise to stay informed about the sun's intensity during this season. For more detailed insights, check out Cernobbio UV Index.
UV Risk Categories
September in Cernobbio, Italy, offers a delightful blend of warmth and sunlight, boasting 335 hours of sunshine. This month reflects a gradual transition from the sun-drenched days of summer, peaking in July with 427 hours. As the year shifts, September's light still remains robust, with considerably more sunshine than the brisker months ahead, such as October with 290 hours. The trend shows that while summer's intensity begins to wane, early autumn continues to provide ample opportunities for outdoor exploration, allowing visitors to savor the idyllic charm of this lakeside town under a nurturing sun.
September in Cernobbio, Italy, boasts a 44% chance of sunny weather, marking it as a transitional month that reflects the lingering warmth of summer while beginning to embrace the crispness of autumn. This likelihood is slightly below the peak sunshine of August, which enjoys a 55% chance, yet contrasts with the fluctuating probabilities seen earlier in the year. As the seasons shift, the sun's presence remains a comforting companion, creating an inviting backdrop for outdoor activities and scenic exploration. While September may not guarantee an abundance of bright, sunny days, it still embodies the charm of early fall, making it a delightful time to experience Cernobbio's stunning landscapes and vibrant culture.
As summer gracefully transitions into autumn, September in Cernobbio, Italy, offers a delightful change in daylight, with approximately 12 hours of sun gracing the vibrant streets and picturesque landscapes. This month serves as a subtle reminder of the waning daylight, as it experiences a slight decline from the 15 hours enjoyed in mid-summer. The trend is consistent as daylight begins to shorten, following the peaks of June and July. Yet, September still retains a blend of warmth and daylight, allowing for cherished moments outdoors before the sun continues to retreat further into autumn, offering a perfect balance of brightness and the crispness of the approaching season.
As September graces Cernobbio, Italy, the gentle whispers of the wind begin to soften, with average speeds dropping to 1.5 m/s (3 mph). This slight decrease reflects a transition from the blustery summer months, where winds have consistently hovered around 1.7 to 1.9 m/s (4 mph). With the arrival of autumn, the tranquil breezes carry hints of the changing season, inviting locals and visitors alike to embrace scenic lakeside strolls amidst the vibrant fall foliage. As we look ahead, the wind speeds gradually rise once more in October, showcasing the region's captivating rhythm through the year.
The weather in Cernobbio 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 Cernobbio and find detailed weather information for every month.
September and January present distinctly different weather patterns. In September, temperatures range from a mild 8°C (46°F) to a warm 29°C (84°F), with an average of 19°C (66°F). The month sees considerable rainfall, with 146 mm (5.8 in) spread over 11 days, and a humidity level of 74%. In contrast, January experiences much colder conditions, with temperatures ranging from a frigid -6°C (21°F) to a maximum of 16°C (60°F) and an average of just 4°C (39°F). Precipitation is lighter at 42 mm (1.7 in), occurring over only 6 days, while humidity rises to 88%. For more information on January weather, you can check Cernobbio weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), bringing an average of 19°C (66°F) and significant rainfall of 146 mm (5.8 in) over 11 days, alongside a humidity level of 74%. In contrast, February experiences much colder temperatures, with a minimum of -7°C (19°F) and an average of just 6°C (43°F), peaking at 20°C (68°F). Precipitation during this month is notably lighter at 46 mm (1.8 in) over 7 days, coupled with a higher humidity of 81%. For a more detailed look at February weather, visit Cernobbio weather in February.
When comparing the weather in September and March, significant differences emerge. September typically enjoys a mild climate with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (84°F) and an average of 19°C (66°F). This month also sees a higher precipitation level of 146 mm (5.8 in) over about 11 days, accompanied by a humidity of 74%. In contrast, March is much colder, with temperatures ranging from a low of -5°C (23°F) to a high of 23°C (74°F) and an average of 9°C (48°F). The precipitation is lower at 88 mm (3.5 in) across 9 days, and humidity is slightly higher at 76%. For more detailed information about March weather in Cernobbio, you can visit Cernobbio weather in March.
September and April exhibit distinct weather patterns, reflecting the transition between summer and autumn in September and the blossoming of spring in April. In September, temperatures range from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). In contrast, April sees cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 25°C (78°F), averaging at 13°C (56°F). While both months experience about 11 days of precipitation, September is generally wetter with 146 mm (5.8 in), compared to April’s 124 mm (4.9 in). Humidity levels are quite similar, with September at 74% and April slightly higher at 77%. For more specific insights on April weather, you can visit Cernobbio weather in April.
When comparing the weather in September and May, both months exhibit similar humidity levels at 74%, yet their temperature ranges and precipitation patterns differ. September tends to be warmer, with average temperatures peaking at 19°C (66°F) and maximums reaching 29°C (84°F), while May has an average of 17°C (63°F) and can reach up to 32°C (89°F). Precipitation is nearly comparable, with September receiving 146 mm (5.8 in) over 11 days and May slightly less at 143 mm (5.6 in) over 16 days. This indicates that while both months can experience rainfall, May often sees more rainy days, making the weather feel more variable. For those interested in more detailed climate information, check out Cernobbio weather in May.
In comparing the weather between September and June, one can observe distinct differences in temperature and precipitation. September boasts a more moderate temperature range, with minimums around 8°C (46°F) and maximums reaching 29°C (84°F), averaging 19°C (66°F). In contrast, June experiences warmer weather, with minimum temperatures of 12°C (55°F) and highs peaking at 37°C (100°F), leading to a comfortable average of 22°C (72°F). While both months see significant rainfall—146 mm (5.8 in) in September and 161 mm (6.4 in) in June—September has slightly lower humidity at 74%, compared to June's 71%. For more detailed insights on June weather specifically, you can check Cernobbio weather in June.
In comparing the weather between September and July, it's clear that July tends to be warmer, with average temperatures reaching up to 24°C (75°F) compared to September's average of 19°C (66°F). July also boasts higher maximum temperatures, peaking at 34°C (94°F), while September's maximum reaches only 29°C (84°F). However, September experiences more frequent rainfall, with 146 mm (5.8 in) over 11 days, compared to July's 164 mm (6.5 in) across 14 days. Interestingly, September has a higher humidity level at 74%, while July is slightly drier at 67%. For more details, you can check out Cernobbio weather in July.
September weather in the region experiences cooler temperatures compared to August, with minimums dropping from 14°C (58°F) to 8°C (46°F) and maximums decreasing from 34°C (93°F) to 29°C (84°F). The average temperature in September is about 19°C (66°F), which is significantly lower than the 24°C (75°F) average seen in August. Additionally, September sees slightly more precipitation, totaling 146 mm (5.8 in) over 11 days, compared to August's 136 mm (5.3 in) over 13 days. The humidity also rises in September, reaching 74% compared to August's 64%. For more details on August weather, check out Cernobbio weather in August.
September and October present a notable transition in weather patterns. In September, temperatures typically range from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). The month sees about 146 mm (5.8 inches) of rain over 11 days, and the humidity averages around 74%. In contrast, October brings cooler temperatures, with a minimum of 6°C (43°F), an average of 14°C (58°F), and a maximum of 26°C (80°F). Rainfall slightly increases to 152 mm (6.0 inches) over just 8 days, accompanied by a rise in humidity to 87%. This shift marks October as a month of greater dampness and chill, indicative of the changing seasons. For more detailed information, you can check Cernobbio weather in October.
September and November present distinctly different weather patterns. In September, temperatures are generally milder, with a minimum of 8°C (46°F) and an average of 19°C (66°F), reaching up to 29°C (84°F) on warmer days. The month also experiences significant rainfall, totaling 146 mm (5.8 in) over 11 days, accompanied by a moderate humidity of 74%. In contrast, November brings cooler conditions, with temperatures dipping to a minimum of 0°C (32°F) and averaging just 9°C (49°F), while the maximum reaches 18°C (64°F). Precipitation increases slightly to 169 mm (6.7 in) over 12 days, along with higher humidity at 88%. For a detailed look at November's climate, check out Cernobbio weather in November.
September and December present contrasting weather patterns. September boasts a more temperate climate with average temperatures ranging from a mild 19°C (66°F) to a warm high of 29°C (84°F). This month experiences higher precipitation, accumulating 146 mm (5.8 in) over 11 days, while humidity levels sit at a comfortable 74%. In stark contrast, December brings colder conditions with average temperatures plummeting to around 5°C (41°F), with lows reaching -3°C (28°F) and highs capping at 14°C (58°F). Precipitation is lower in December at 94 mm (3.7 in) over 8 days, but humidity rises to 85%, contributing to a chillier atmosphere. For more details, check out the Cernobbio weather in December.
As summer transitions to fall, September in Cernobbio brings a delightful change in weather patterns, marked by warmer days and cooler nights. Unlike the peak summer months, where temperatures can soar higher, September offers a more moderate climate with an average warmth that invites outdoor exploration. However, it also introduces a touch of surprise with increased rainfall, as the region experiences about 11 days of precipitation, contributing to the lush scenery. With humidity remaining relatively high, the air retains a refreshing quality, perfect for those looking to enjoy the vibrant beauty of Cernobbio. To learn more about what to expect throughout the year, visit Cernobbio Climate.