Last updated: March 24, 2025
September in Trento, Italy, offers a delightful blend of mild temperatures and refreshing ambiance. With maximums reaching 24°C (76°F) and an average of 15°C (59°F), the weather is a perfect invitation for outdoor activities. However, visitors should be prepared for some rain, as the month sees 108 mm (4.2 in) of precipitation over approximately 14 days, creating a lush environment. The humidity level hovers around 66%, adding a touch of coziness to the early autumn air. Whether exploring the historic streets or surrounding nature, September provides a charming backdrop for memorable experiences.
As September rolls into Trento, Italy, the temperatures subtly begin their descent, signaling the transition from the lively warmth of summer to the crisp embrace of autumn. With minimums around 4°C (40°F) and a comfortable average of 15°C (59°F), the days remain pleasantly warm, ideal for exploring the stunning landscapes. Highs can reach an inviting 24°C (76°F), offering just enough warmth to enjoy outdoor activities before the chill of October sets in. This month is characterized by a gentle shift; while lingering heat may still grace the afternoons, mornings and evenings bring a refreshing coolness, hinting at the seasonal change ahead.
In September, Trento experiences a notable shift in weather patterns, with precipitation amounting to 108 mm (4.2 in) over roughly 14 days of rain. This marks a decrease from the wetter months of July and August, but it still signifies a substantial contribution to the annual totals. As summer transitions into autumn, the city's lush landscapes benefit from this rainfall, which helps sustain its vibrant greenery. The wettest month of the year, May, contrasts sharply with the drier October that follows, highlighting the variability typical of Trento's climatic rhythm. Such seasonal variations reflect the region's rich ecological tapestry, where each month's weather intricately prepares the ground for the next.
In September, Trento experiences a notable increase in humidity, rising to 66% after a drier summer. This shift marks a transition from the relatively low humidity of 54% in August, signaling the approach of autumn. As the seasons change, humidity levels begin to climb again, reminiscent of the higher readings seen in the colder months, with October set to leap back to 83%. This pattern highlights a typical European climate, where September serves as a bridge between the warm, sunlit days of summer and the brisk, moisture-laden air of early autumn, creating a refreshing yet variable atmosphere.
In September, Trento experiences a UV Index of 7, indicating a high level of ultraviolet radiation and a burn time of 25 minutes for unprotected skin. This marks a gradual decline from the peak summer months, where the UV Index reached an intense 10 in both June and July. However, late summer still demands caution, as UV levels remain significantly higher compared to the earlier months of the year. The trend from January’s low UV Index of 2 to September’s series of high readings highlights the shift towards sunnier days, emphasizing the need for sun protection as outdoor activities thrive in the mild early autumn climate. For more detailed insights on UV radiation in Trento, visit Trento UV Index.
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In Trento, Italy, the month of September offers a delightful balance of sunshine, boasting 332 hours of bright, welcoming light. This idyllic count reflects the lingering warmth of summer as days gradually shorten. Following the peak of 427 hours in July, September shows a gentle decline in daylight, paralleling the seasonal shift towards autumn. The sunshine wanes further into October, dropping to 296 hours, but the lingering warmth and vibrant scenery make September a picturesque time to enjoy the city. With the skies still predominantly clear, it's a perfect month for outdoor adventures amidst stunning landscapes painted in the golden hues of early fall.
September in Trento, Italy, offers a promising 43% chance of sunny weather, continuing a trend observed through the summer months. After a dip in sunlit days during April and May, the likelihood of sunshine begins to rise, peaking in July and August. While September's sunshine probability slightly decreases from these summer highs, it remains notably higher than the earlier months of the year, showcasing a transition into autumn with the lingering warmth of summer. As the days shorten and temperatures cool, visitors can still enjoy a fair amount of sunny days, making it an appealing time to explore the scenic beauty of Trento.
As summer transitions to autumn in Trento, Italy, September welcomes a notable shift in daylight duration, providing about 12 hours of light to its residents. This marks a beautiful decline from the peak of 15 hours experienced in June and July, gradually tapering off as the days shorten. While the evenings begin to draw in, the lingering warmth of early autumn ensures that outdoor activities can still be enjoyed under the soft glow of daylight. This month reflects the natural ebb and flow of the seasons, setting the stage for the crisp days of October, which will further reduce daylight to 10 hours. As nature transforms, the changing light offers a unique opportunity to appreciate the vibrant hues of fall foliage while savoring the last golden days of the year.
As September rolls into Trento, Italy, the wind whispers a gentle tune, with an average speed dipping to 1.0 m/s (2 mph). This marks the lightest winds of the year, a contrast to the fresher breezes of spring and early summer. Although winds are slightly calmer this month, they continue the trend of mildness, reflecting the transition toward autumn. With the sun's warmth waning, September's soft currents invite leisurely strolls through the picturesque streets, where the surrounding landscapes start to wear their fall colors. As the year progresses, the wind tends to hold steady, only picking up in the later months, revealing Trento's unique charm in each seasonal shift.
The weather in Trento 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 Trento and find detailed weather information for every month.
September weather is characterized by mild temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 24°C (76°F), with an average of 15°C (59°F). It experiences considerable precipitation, averaging 108 mm (4.2 in) across 14 days, and a humidity level of 66%. In contrast, January brings much colder conditions, with temperatures plummeting to a minimum of -17°C (2°F) and averaging -1°C (31°F), peaking at 11°C (53°F). Additionally, January sees significantly less precipitation at 35 mm (1.4 in) over just 5 days, accompanied by higher humidity at 87%. For more insights, check out Trento weather in January.
September and February present quite contrasting weather conditions. In September, temperatures range from a minimum of 4°C (40°F) to a comfortable maximum of 24°C (76°F), with an average of 15°C (59°F). This month experiences relatively higher precipitation at 108 mm (4.2 in) over 14 days, alongside a humidity level of 66%. In stark contrast, February brings much colder temperatures, with a chilling minimum of -15°C (6°F) and an average of just 2°C (36°F). Although the maximum temperature reaches a mild 17°C (63°F), February typically sees less precipitation, totaling 53 mm (2.1 in) over just 7 days and higher humidity at 79%. For more detailed information, you can check out Trento weather in February.
September and March present contrasting weather experiences. In September, temperatures range from a minimum of 4°C (40°F) to a comfortable maximum of 24°C (76°F), with an average of 15°C (59°F). This month sees around 108 mm (4.2 in) of precipitation over approximately 14 days, and the humidity sits at 66%. In contrast, March features colder temperatures, with a minimum of -13°C (9°F) and a maximum of 18°C (65°), averaging just 5°C (41°F). Precipitation in March is slightly lower at 88 mm (3.5 in) over 11 days, coupled with a humidity level of 69%. For more detailed weather information, visit Trento weather in March.
In comparing the weather of September and April, several key differences emerge. September tends to be milder, with an average temperature of 15°C (59°F) and a maximum of 24°C (76°F), while April has a cooler average of 8°C (47°F) and a maximum of 22°C (71°F). However, April experiences a lower minimum temperature, dipping to -4°C (26°F), compared to September's minimum of 4°C (40°F). Precipitation levels are relatively high in both months, with September receiving 108 mm (4.2 in) of rain over 14 days, while April sees slightly more precipitation at 134 mm (5.3 in) over 15 days. Notably, April's humidity levels are marginally higher at 71%, compared to September's 66%. For a deeper insight into the specific weather conditions in April, you can visit Trento weather in April.
September and May present contrasting weather characteristics. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 24°C (76°F), with an average of 15°C (59°F). The month experiences 108 mm (4.2 in) of precipitation over approximately 14 days, and humidity levels hover around 66%. In comparison, May offers cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 22°C (72°F), averaging 12°C (54°F). It also sees higher rainfall, totaling 157 mm (6.2 in) across about 22 days, and slightly increased humidity at 70%. For more detailed information about May's weather, check out Trento weather in May.
In comparing the weather between September and June, we can observe some notable differences. September generally experiences milder temperatures, with a minimum of 4°C (40°F) and an average of 15°C (59°F), reaching a maximum of 24°C (76°F). This month also sees about 108 mm (4.2 in) of precipitation over approximately 14 days, accompanied by a humidity level of 66%. In contrast, June is warmer, featuring a minimum of 7°C (46°F) and a higher average temperature of 17°C (63°F), peaking at 31°C (88°F). June tends to be slightly wetter, with 126 mm (5.0 in) of rainfall spread across 15 days, while maintaining a similar humidity at 65%. For more detailed insights, you can check out Trento weather in June.
When comparing the weather in September to that of July, we can see some notable differences. September experiences cooler temperatures, with a minimum of 4°C (40°F) and an average of 15°C (59°F), while July's temperatures are warmer, ranging from a minimum of 8°C (47°F) to an average of 18°C (65°F). Additionally, July tends to be wetter, with 160 mm (6.3 in) of precipitation over 19 days compared to September's 108 mm (4.2 in) over 14 days. Interestingly, despite being slightly more humid at 66%, September's humidity is comparable to July's 61%. For those looking for a deeper dive into July's climate, you can refer to Trento weather in July.
In comparing the weather between August and September, it's evident that September marks a transition towards cooler temperatures. While August boasts a minimum temperature of 9°C (48°F) and an average of 18°C (66°F), September sees a drop, with a minimum temperature of 4°C (40°F) and an average of 15°C (59°F). August also tends to be warmer, reaching a maximum of 28°C (83°F), compared to September's high of 24°C (76°F). Additionally, September experiences more frequent precipitation, with 108 mm (4.2 in) over 14 days, while August has a higher total of 163 mm (6.4 in) across 15 days of rain. Furthermore, September's humidity is notably higher at 66%, compared to August's 54%. For more detailed insights, you can refer to Trento weather in August.
In comparing the weather between September and October, we observe a notable shift. September boasts milder temperatures with a minimum of 4°C (40°F), an average of 15°C (59°F), and a maximum of 24°C (76°F). It experiences less precipitation at 108 mm (4.2 in) over 14 days and a humidity level of 66%. In contrast, October presents cooler conditions, with temperatures dipping to a minimum of 2°C (35°F), an average of 10°C (51°F), and a maximum of 21°C (70°F). The month also sees increased rainfall, totaling 149 mm (5.9 in) over 10 days, paired with higher humidity at 83%. For a more detailed look at the weather specifics, visit Trento weather in October.
September weather is generally mild, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 24°C (76°F) and an average of 15°C (59°F). The month experiences moderate precipitation of 108 mm (4.2 in) over 14 days, and the humidity sits at a comfortable 66%. In contrast, November heralds a more pronounced chill, with temperatures dropping significantly; the minimum temperature reaches -8°C (18°F), the average is 5°C (42°F), and the maximum is 16°C (62°F). Additionally, November sees increased precipitation totaling 169 mm (6.7 in) over 12 days, along with higher humidity levels at 88%. For more details, you can visit Trento weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a mild 4°C (40°F) at night to a comfortable maximum of 24°C (76°F) during the day, with an average of 15°C (59°F). The month experiences a moderate amount of rainfall, totaling 108 mm (4.2 in) over about 14 days, along with a relative humidity of 66%. In contrast, December brings much colder weather, with nighttime lows dipping to -13°C (10°F) and daytime highs reaching only 11°C (53°F), leading to an average temperature of just 1°C (34°F). Precipitation slightly increases to 113 mm (4.5 in), but occurs over fewer days—only 8 in total—and humidity rises significantly to 85%. For more details on the weather specifics for December, visit Trento weather in December.
As summer gives way to autumn, September in Trento showcases a delightful transition in weather. With pleasantly warm days averaging around 15°C, the city experiences a slight chill in the evenings, offering a refreshing contrast to the hotter months. This month also brings a fair share of rainfall, averaging about 14 days of precipitation, which nurtures the vibrant greenery surrounding the region. Meanwhile, humidity levels hover around 66%, providing a comfortable atmosphere as locals and visitors alike savor the scenic beauty and cultural richness of Trento. For more detailed insights into Trento's diverse climatic conditions throughout the year, explore Trento Climate.