Last updated: March 24, 2025
September in Duino, Italy brings a delightful mix of warm days and refreshing breezes, with maximum temperatures reaching up to 30°C (86°F) and an average of 21°C (70°F). As summer transitions to autumn, the minimum temperature dips to a comfortable 11°C (52°F), offering a lovely climate for outdoor activities. However, be prepared for the occasional rain, as the region experiences about 183 mm (7.2 in) of precipitation over 10 days this month. With a relative humidity of 64%, the air carries a pleasant crispness, making September a charming time to explore the scenic coastal landscapes and cultural gems of Duino.
As September unfolds in Duino, Italy, the temperatures reveal a delightful transition from the sweltering summer months to the milder embrace of autumn. With a minimum of 11°C (52°F) and an average temperature of 21°C (70°F), days remain pleasantly warm, encouraging outdoor activities and scenic explorations. The maximum temperature can still soar to an inviting 30°C (86°F), reminiscent of the summer's warmth, yet the crispness in the air signals the gradual change of seasons. This month, characterized by softer sunlight and clearer skies, invites both locals and travelers to savor the unique charm of this coastal village as it prepares for the cooler days ahead.
September in Duino, Italy, marks a notable increase in precipitation, with 183 mm (7.2 inches) of rainfall recorded over 10 days. This surge indicates a significant shift as summer transitions into autumn, reflecting a broader trend of increasing moisture in the area during this period. Comparatively, September's rainfall is among the highest of the year, overshadowing the lighter summer months of July and August, which saw only 62 mm (2.5 in) and 67 mm (2.6 in) respectively. The pattern continues, foreshadowing an even wetter October and November, as the region prepares for the months ahead. This seasonal rhythm highlights the dynamic climate of Duino, where the changing seasons bring a refreshing yet substantial increase in atmospheric moisture.
As summer gives way to autumn in Duino, Italy, September witnesses a noticeable shift in humidity levels, settling at a comfortable 64%. This slight increase from August's low of 51% indicates a gradual return to the wetter conditions characteristic of the fall months. The trend reflects a transition from the drier summer months, where July and August exhibit their lowest humidity levels at 63% and 51%, respectively. With October looming, humidity levels are set to rise again, anticipated to reach 83%, highlighting the seasonal rhythm of Duino where the air gradually becomes more humid as the year progresses towards winter.
As summer gives way to autumn in Duino, Italy, the September UV Index reflects a slight decrease, registering at 7, which falls in the high exposure category. This represents a notable shift from the peak values of 9 in July and June, indicating that while the sun remains potent, the urgency for sun protection is somewhat reduced. In September, the recommended burn time extends to 25 minutes, allowing for more time outdoors compared to the very high exposure months of summer. However, the lingering warmth means it's essential to remain vigilant against UV radiation—especially after the summer months that experienced consistently high levels. For more details on UV levels throughout the year, visit Duino UV Index.
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As summer fades, September in Duino, Italy, still enjoys a generous 326 hours of sunshine, making it a delightful time to savor the lingering warmth of the season. This month experiences a notable decline from the peak of 430 hours in July, yet it surpasses the gloomy months ahead, such as October’s 293 hours. The sunshine hours gradually dwindle after the vibrant summer, reflecting a seasonal transition that invites visitors to bask in the pleasant weather while exploring the breathtaking coastal scenery. With September's sun glowing warmly but not sweltering, it's the perfect backdrop for leisurely strolls and enchanting evenings by the sea.
As September rolls into Duino, Italy, the likelihood of sunny weather remains quite favorable, with a 57% chance of sunshine. This marks a subtle dip from the summer peak in August but retains a commendable level of brightness, setting the stage for pleasant outdoor activities. The trend leading into September shows a steady increase from the winter months, particularly notable in March with a 63% chance of sunshine, and a consistent rise throughout the summer. Compared to the earlier months of the year—with January's mere 32% chance—September offers a delightful reprieve, suggesting visitors can enjoy the Mediterranean coastline with a higher probability of clear skies and warm sunshine.
As summer gracefully transitions into autumn, September in Duino, Italy, offers a delightful balance of daylight, with the sun gracing the skies for 12 hours each day. This marks a gentle decline from the peak summer months of June and July, where daylight soared to 15 hours. As the days shorten, the vibrant hues of autumn begin to emerge, inviting residents and visitors to bask in the warm glow of the changing season. With daylight hours dipping from 14 hours in August to 12 hours in September, the enchanting landscapes of Duino become even more captivating, blending the lingering warmth of summer with the crisp freshness of fall.
As summer gracefully transitions into autumn in Duino, Italy, the September winds reflect a subtle shift in the climate. With an average speed of 3.0 m/s (7 mph), September's breezes are mild, slightly calmer than the late summer gusts experienced in August. This gentle wind serves as a precursor to the increasing speeds observed in the following months; October and November bring a notable uptick, with winds reaching 4.3 m/s (10 mph) and 4.8 m/s (11 mph), respectively. This gradual rise highlights the region's dynamic climate, where September offers a serene yet inviting atmosphere, perfect for enjoying the stunning coastal landscapes before the more robust winds of fall arrive.
The weather in Duino 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 Duino and find detailed weather information for every month.
September and January present notable contrasts in weather. In September, temperatures range from a mild 11°C (52°F) to a warm 30°C (86°F), with an average of 21°C (70°F), while January experiences much colder conditions, with temperatures fluctuating between -4°C (25°F) and a maximum of 13°C (56°F), averaging only 6°C (43°F). September sees higher precipitation levels at 183 mm (7.2 in) over 10 days, compared to January’s 61 mm (2.4 in) over 7 days, resulting in a more humid atmosphere in January at 88% humidity versus 64% in September. For more details on January weather in Duino, you can check this link: Duino weather in January.
September and February present strikingly different weather conditions. In September, temperatures range from a mild 11°C (52°F) at night to a warm 30°C (86°F) during the day, with an average temperature of 21°C (70°F). The month experiences a significant amount of precipitation, totaling 183 mm (7.2 in) over 10 days, along with a relatively moderate humidity level of 64%. In contrast, February is much cooler, with temperatures dipping to a lows of -4°C (26°F) and averaging only 7°C (46°F), peaking at a maximum of 16°C (62°F). While it has lower total precipitation at 122 mm (4.8 in) across the same number of days, it features a higher humidity level of 82%. For a more detailed look at February weather specifically, you can visit Duino weather in February.
In comparing the weather of September and March, a striking contrast emerges. September typically enjoys milder temperatures, with an average of 21°C (70°F) and highs reaching up to 30°C (86°F), while March experiences much cooler conditions, boasting an average of just 9°C (49°F) and a maximum of 19°C (67°F). Additionally, September is characterized by higher precipitation levels, with 183 mm (7.2 in) over approximately 10 days, compared to March's 75 mm (2.9 in) across 8 days. Humidity also plays a role, with March being marginally more humid at 73%, compared to September's 64%. For a more detailed look at March weather in Duino, you can check Duino weather in March.
When comparing the weather in September and April, notable differences emerge. September typically boasts warmer temperatures, with minimums of 11°C (52°F) and maximums reaching up to 30°C (86°F), while April's temperatures are cooler, ranging from a minimum of 4°C (39°F) to a maximum of 22°C (73°F). Additionally, September experiences higher average temperatures (21°C / 70°F) compared to April's average of 13°C (56°F). Precipitation also varies, with September receiving 183 mm (7.2 in) over about 10 days, while April sees less rain, totaling 111 mm (4.4 in) over 9 days. Humidity levels are slightly higher in April at 73%, compared to September's 64%. For more information about the climate during this month, you can check Duino weather in April.
September and May showcase contrasting weather patterns. September tends to be warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), averaging at 21°C (70°F). It also experiences higher precipitation levels, with 183 mm (7.2 in) falling over about 10 days, accompanied by a humidity level of 64%. In contrast, May is cooler, with temperatures varying from 9°C (49°F) to 25°C (78°F) and averaging 17°C (63°F). While May has less total precipitation at 144 mm (5.7 in), it is spread over a greater number of days, specifically 16, resulting in a slightly higher humidity of 70%. For more detailed information, you can check Duino weather in May.
September and June both offer warm temperatures, but they present different weather characteristics. In September, the average temperature ranges from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), with an average of 21°C (70°F). This month sees more rainfall, totaling 183 mm (7.2 in) over 10 days, which contributes to a humidity level of 64%. In contrast, June is slightly warmer, with temperatures ranging from 14°C (57°F) to 32°C (89°F), and an average of 23°C (73°F). It experiences less precipitation, measuring 91 mm (3.6 in) over just 7 days, resulting in a higher humidity of 69%. For a closer look at the weather specifics, you can check Duino weather in June.
In comparing the weather between September and July, we see notable differences in temperature and precipitation patterns. September experiences a broader temperature range, with a minimum of 11°C (52°F) and an average of 21°C (70°F), while July has a higher minimum of 18°C (65°F) and an average of 24°C (76°F). Both months reach similar maximum temperatures of around 30°C (86°F) to 30°C (87°F). However, September is significantly wetter, receiving 183 mm (7.2 in) of rain over 10 days compared to July's 62 mm (2.5 in) over just 8 days. Humidity levels remain quite similar, with September at 64% and July at 63%. For more insights on July weather, you can check Duino weather in July.
In comparing the weather of September to August, it's evident that September is characterized by cooler temperatures and higher precipitation. September boasts a minimum temperature of 11°C (52°F) and an average of 21°C (70°F), while August has warmer minimum and average temperatures of 15°C (60°F) and 25°C (78°F) respectively. Additionally, September sees a significant increase in rainfall, with 183 mm (7.2 in) over 10 days, compared to August's milder 67 mm (2.6 in) over 6 days. The humidity also rises in September to 64%, surpassing August's 51%. For a more detailed look at the weather during this month, you can refer to Duino weather in August.
September typically features warmer temperatures, with a minimum of 11°C (52°F) and an average of 21°C (70°F), reaching a maximum of 30°C (86°F). However, it also brings significant rainfall, totaling 183 mm (7.2 in) over approximately 10 days, and a moderate humidity of 64%. In contrast, October sees a drop in temperatures, with a minimum of 10°C (50°F) and an average of 16°C (62°F), peaking at 22°C (73°F). The month is slightly drier, with 135 mm (5.3 in) of precipitation across the same number of rainy days, but the humidity increases to 83%. For more detailed information, check out Duino weather in October.
September and November present quite contrasting weather conditions. In September, temperatures typically range from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), with an average of 21°C (70°F), making it a warmer month overall. However, it also sees significant rainfall, with 183 mm (7.2 in) over about 10 days and a humidity level of 64%. On the other hand, November experiences much cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 19°C (67°F), an average of just 12°C (54°F). This month is wetter, receiving 214 mm (8.4 in) of precipitation across 13 days, accompanied by higher humidity at 89%. For a closer look at weather specifics for November, you can visit Duino weather in November.
September and December showcase distinct contrasts in weather patterns. In September, temperatures range from a mild 11°C (52°F) at night to a warm 30°C (86°F) during the day, with an average of 21°C (70°F). Despite being relatively warm, September experiences a fair amount of precipitation, totaling 183 mm (7.2 in) over about 10 days, with humidity levels at 64%. In stark contrast, December sees much cooler temperatures, with lows dropping to 2°C (36°F) and a maximum of only 15°C (60°F), averaging around 8°C (47°F). Although total precipitation is slightly less at 164 mm (6.5 in) over 13 days, the humidity rises to a notable 88%, contributing to a chilly and damp atmosphere. For a more detailed look at December weather, you can visit Duino weather in December.
As summer transitions to autumn, September in Duino showcases a beautiful blend of warm days and cooler nights, signifying a shift in the season. With temperatures averaging around 21°C, the weather offers a pleasant escape from the harsh summer heat, while the occasional rainfall—totaling 183 mm over ten days—introduces a refreshing change. This month’s humidity, sitting comfortably at 64%, adds to the overall mildness, making it a delightful time to explore the stunning landscapes. For more insights into how Duino's climate shapes its charming ambiance, visit Duino Climate.