Last updated: August 27, 2025
September in Lugano, Switzerland offers a delightful blend of mild temperatures and scenic beauty, making it an appealing time for both locals and visitors. With maximum temperatures reaching 26°C (80°F) and an average of 17°C (63°F), the weather is generally pleasant, while lows can dip to 4°C (39°F). The month experiences about 12 days of precipitation, accumulating to approximately 141 mm (5.5 in), contributing to the area's lush landscapes. Humidity levels hover around 74%, adding a touch of softness to the alpine air. Whether you're exploring the stunning lakeside views or indulging in local cuisine, September is a picturesque time to experience Lugano.
In September, Lugano, Switzerland, undergoes a delightful transition as summer gracefully yields to autumn. With temperatures ranging from a minimum of 4°C (39°F) to a comfortable average of 17°C (63°F), the city experiences a pleasant warmth, peaking at around 26°C (80°F) during the day. This month marks a shift towards milder conditions compared to the sweltering summer months of July and August, where highs soar above 30°C (86°F). As the days shorten and the leaves start to change, September offers a perfect blend of sunshine and crispness, making it an ideal time for outdoor exploration amid stunning natural scenery.
September in Lugano, Switzerland, presents a transitional month characterized by moderate precipitation. With an average rainfall of 141 mm (5.5 in) over approximately 12 days, it sits comfortably between the wetter summer months and the heavier downpours of October. This modest rainfall reflects a slight decrease from August’s 174 mm, indicating a gradual shift in the season as summer wanes. Notably, the frequency of rainy days in September aligns closely with the monthly average, allowing for a pleasant balance of sun and rain. As the city prepares for the autumn ahead, September's weather serves as a gentle reminder of the lush, vibrant landscapes shaped by these essential rains.
As September unfolds in Lugano, Switzerland, the humidity registers at 74%, marking a notable transition from the dry summer months. Following a steady decline from 88% in January to a low of 64% in August, September experiences a slight uptick in moisture levels, echoing a gradual return to the more humid conditions typical of autumn. This increase serves as a precursor to the higher humidity levels that characterize the approaching winter months, with October and November climbing back to 87% and 88%, respectively. Overall, September's humidity reflects a seasonal shift, bridging the gap between the warmth of summer and the cool embrace of fall.
As summer transitions into fall, September in Lugano, Switzerland, showcases a slight decrease in the UV Index, registering at 7, which falls into the high exposure category. This means that, while the days are still bright, the risk of harm from unprotected sun exposure can become significant. With a burn time of 25 minutes, it's essential for outdoor enthusiasts to remain vigilant about sun protection, even as temperatures begin to cool. This month acts as a gentle reminder of the lingering strength of the sun, following the peak UV levels of August (8) and July (9). As autumn approaches with its more moderate UV levels, understanding these trends can help residents and visitors alike stay safe while enjoying the beautiful surroundings. For more insights, check out Lugano UV Index.
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As summer fades into fall, September ushers in a delightful balance of sunshine in Lugano, Switzerland, with 327 hours of sunlight to enjoy. This month marks a gentle decline from the peak of 422 hours in July, yet it still retains the warmth and vibrancy that summer offers. Following a dazzling August with 382 hours, September provides a comforting transition, reminding residents and visitors alike of the season's lingering charm. This gradual shift reflects the region's idyllic climate, where the sun still shines brightly, creating the perfect backdrop for leisurely strolls along the stunning lakeside or exploring the lush hillsides before the cooler months draw near.
In Lugano, Switzerland, September brings a 40% chance of sunny weather, reflecting a slight dip from the summer months. While August enjoys a more promising 53% likelihood of sunshine, September embodies the transition into autumn, with a notable shift in weather patterns. This decrease aligns with the trends observed in April and May, both hovering around the low 40% range, suggesting that as the seasons change, so does the sun's frequency. However, considering the past few months, September still offers a reasonable opportunity for clear skies, making it a lovely time to enjoy Lugano's beautiful landscapes before the rainier fall months arrive.
In Lugano, Switzerland, September marks a gentle transition from the long, sun-kissed days of summer to the shorter daylight hours of autumn. With 12 hours of daylight, this month reflects a gradual decrease, following the peak of 15 hours experienced in June and July. As the vibrant hues of summer begin to fade, September still offers ample sunshine, making it a perfect time for outdoor adventures. The daylight starts to dip into the 11 hours range in October, but the lingering warmth of September provides a beautiful backdrop for enjoying the stunning natural scenery that defines this picturesque region.
As September rolls into Lugano, Switzerland, the gentle breeze that has defined the summer months begins to soften, with average wind speeds dipping to 1.1 m/s (3 mph). This slight decrease is part of a broader trend observed throughout the year, where the winds tend to be at their calmest during the transitional months of late summer and early autumn. While January and December often experience stronger gusts, peaking at 1.4 m/s (3 mph) and 1.7 m/s (4 mph) respectively, September's serene atmosphere invites locals and visitors alike to leisurely stroll along the picturesque lakeside, basking in the fading warmth of summer. The cyclical shifts in wind speed serve as a reminder of the region's dynamic landscape, where every season paints a unique picture.
Weather in Lugano varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lugano, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures range from a cool 4°C (39°F) at night to a pleasant average of 17°C (63°F) during the day, peaking at 26°C (80°F). While this month experiences a fair amount of rainfall, totaling 141 mm (5.5 in) over 12 days, it maintains a relatively comfortable humidity level of 74%.
In contrast, January brings a chillier climate, with temperatures plummeting to a minimum of -7°C (20°F), an average of just 3°C (37°F), and a maximum of 13°C (56°F). Precipitation decreases significantly to 47 mm (1.9 in) across only 7 days, accompanied by a higher humidity level of 88%. This distinct shift from the warmth and moisture of September to the cold and dampness of January highlights the seasonal variations typical of the region. For more details, check out Lugano weather in January.
September and February showcase contrasting weather patterns, with September generally being milder and wetter. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 26°C (80°F), with an average of 17°C (63°F) and a notable precipitation of 141 mm (5.5 in) over 12 days, accompanied by a humidity level of 74%. In contrast, February is much colder, featuring temperatures ranging from -13°C (10°F) to a maximum of 19°C (66°F), with an average of just 5°C (41°F). February also sees lower precipitation levels at 47 mm (1.9 in) spread over 8 days, but the humidity is slightly higher at 81%. This significant difference highlights the transition from the warmth of late summer to the chill of winter, making each month unique. For more details on February weather, you can check out Lugano weather in February.
In comparing the weather of September and March, notable differences emerge. September boasts a milder temperature range, with minimums around 4°C (39°F), averages of 17°C (63°F), and maximums reaching 26°C (80°F). In contrast, March begins much cooler, with minimum temperatures plummeting to -7°C (20°F) and an average of just 7°C (45°F) before peaking at 21°C (70°F). While both months experience considerable precipitation, September sees a total of 141 mm (5.5 in) over 12 days, compared to March's 94 mm (3.7 in) over 11 days. The humidity levels are similar, with September at 74% and March slightly higher at 76%. For a more detailed look at March weather, check out Lugano weather in March.
September and April present contrasting weather patterns, despite having similar precipitation levels. In September, temperatures range from a brisk 4°C (39°F) at night to a comfortable high of 26°C (80°F) during the day, while April experiences cooler temperatures, with nighttime lows dipping down to -1°C (30°F) and daytime highs reaching 24°C (75°F). Both months have about 140 mm (5.5 in) of precipitation over approximately 11 to 12 days, but humidity is slightly higher in April at 77%, compared to September's 74%. For a detailed overview of April weather, you can check Lugano weather in April.
When comparing the weather in September to May, we observe some notable differences. September features a wider temperature range, with minimums around 4°C (39°F) and maximums reaching 26°C (80°F), while May's temperatures are slightly cooler, with a range from 2°C (36°F) to a maximum of 28°C (83°F). Precipitation levels are higher in May, averaging 173 mm (6.8 in) over 17 days, compared to September's 141 mm (5.5 in) over 12 days. Interestingly, both months experience similar humidity levels at 74%, indicating that while May may be wetter, September can offer a more stable, albeit slightly warmer climate. For more detailed insights, you can explore Lugano weather in May.
When comparing the weather in September and June, it's evident that both months experience a range of temperatures and precipitation patterns. September is generally cooler, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 26°C (80°F) and an average of 17°C (63°F). In contrast, June sees warmer conditions, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 35°C (95°F) and an average of 19°C (67°F). Additionally, September has a significant amount of rainfall, totaling 141 mm (5.5 in) over 12 days, while June receives even more precipitation, with 196 mm (7.7 in) over 15 days. Interestingly, despite this higher rainfall in June, it also has a slightly lower humidity level at 71% compared to September's 74%. For more details, check out this link: Lugano weather in June.
In comparing the weather between September and July, it is evident that July tends to be warmer and more humid. With average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 31°C (88°F), July experiences a pleasant warmth complemented by lower humidity at 67%. In contrast, September's temperatures are cooler, with a minimum of 4°C (39°F) and a maximum of 26°C (80°F), while the humidity rises to 74%. Additionally, September sees 141 mm (5.5 in) of precipitation over 12 days, compared to 167 mm (6.6 in) over 16 days in July, making it slightly wetter. For more details on July weather, you can check out Lugano weather in July.
In comparing the weather between September and August, we can see notable differences in temperature and humidity. September experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 17°C (63°F), while August is warmer, featuring a minimum of 12°C (53°F) and an average of 21°C (70°F). Additionally, August typically reaches a maximum of 31°C (88°F), significantly higher than September's maximum of 26°C (80°F). Despite being the cooler month, September sees 141 mm (5.5 in) of precipitation over 12 days, while August has slightly higher precipitation at 174 mm (6.9 in) over 13 days. Humidity levels also diverge, with September at 74% compared to August's 64%. For more detailed insights, you can refer to Lugano weather in August.
September and October exhibit distinct variations in weather characteristics. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 26°C (80°F), with an average of 17°C (63°F) and relatively moderate precipitation of 141 mm (5.5 in) over 12 days. By contrast, October sees a slight decrease in temperature, with a minimum of 3°C (38°F) and a maximum of 24°C (75°F), averaging at 12°C (55°F). Furthermore, October experiences increased rainfall, totaling 206 mm (8.1 in) across 9 days, and a rise in humidity to 87%. These differences signify a transition into cooler and wetter conditions as autumn progresses. For more details on October weather, check this link: Lugano weather in October.
In September, the weather is pleasantly warm with average temperatures around 17°C (63°F) and maximums reaching up to 26°C (80°F), making it a favorable month for outdoor activities. However, the month experiences notable precipitation, with 141 mm (5.5 in) over approximately 12 days, and humidity levels at 74%. In contrast, November brings a significant drop in temperatures, with averages around 8°C (46°F) and minimums plunging below freezing to -2°C (29°F). This month also sees increased rainfall, totaling 174 mm (6.9 in) over the same number of days, accompanied by higher humidity levels of 88%. For more detailed insights into November's weather, you can visit Lugano weather in November.
In September, the weather is generally mild with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 26°C (80°F) and an average of 17°C (63°F). This month typically experiences about 141 mm (5.5 in) of precipitation over 12 days, and the humidity sits at a comfortable 74%. In contrast, December sees a significant drop in temperatures, with lows reaching -8°C (17°F) and averages settling around 3°C (39°F). The maximum temperature in December only reaches about 13°C (56°F), and while there is less precipitation at 104 mm (4.1 in) over 9 days, the humidity increases to 85%. For more specific insights into December weather, you can refer to Lugano weather in December.
As summer transitions to autumn, September in Lugano showcases a unique blend of warm and cool nuances that set it apart from other months. With temperatures that can peak at 26°C, the days remain pleasantly warm, yet the nights remind us of the approaching fall, dropping to cooler lows around 4°C. This month also brings increased rainfall, with 12 days seeing precipitation and a total of 141 mm, creating a tapestry of lush landscapes. Coupled with an average humidity of 74%, September offers a refreshing change, making it a lovely time to experience the beauty of Lugano before the chill of winter sets in. For a deeper dive into what weather to expect throughout the year, check out Lugano Climate.