Last updated: March 24, 2025
September in Vieste, Italy offers a delightful blend of warm days and refreshing breezes, with maximum temperatures reaching 29°C (84°F) and an average of 23°C (74°F). As summer transitions into autumn, the weather remains inviting, although autumnal rains can be seen, with precipitation totaling 48 mm (1.9 in) over approximately 5 days. The air carries a comfortable humidity level of 66%, making it the perfect time to explore Vieste's stunning coastal landscapes and charming streets. Whether basking in the sun or enjoying a stroll through the historic town, visitors can relish the mild yet vibrant ambiance that September brings.
As September unfolds in Vieste, Italy, the weather showcases a delightful transition into early autumn. Temperatures gently decrease from the scorching summer heat, with daily highs reaching a comfortable 29°C (84°F) and settling to pleasant averages around 23°C (74°F). Nighttime brings a refreshing drop, with minimums at a mild 16°C (61°F). This month strikes a perfect balance, offering warm sunny days ideal for beach outings and cool evenings perfect for exploring the charming streets of this coastal town. As summer bids farewell, September invites visitors to embrace the lingering warmth while enjoying the slowly changing scenery of this enchanting locale.
In September, Vieste experiences a moderate increase in precipitation, with 48 mm (1.9 in) of rain spread over approximately 5 days. This marks a slight uptick from the drier summer months, where rainfall hovered around 13 mm in both July and August. The approaching autumn signals a shift in weather patterns, with precipitation beginning to rise again in anticipation of the heavier rains to come in October, which averages 54 mm (2.1 in). As the summer heat subsides, the blend of milder temperatures and increased rainfall creates a refreshing atmosphere, ushering in the colorful transitions of the fall season.
As summer transitions to autumn, September in Vieste, Italy, experiences a slight uptick in humidity, averaging 66%. This marks a noticeable shift from the drier months of July and August, which boasted humidity levels of just 61% and 56% respectively. The return of humidity signals a gradual reintroduction of coastal moisture, with October's levels rising further to 74%. Throughout the year, humidity in Vieste generally peaks during the winter months, reaching 82% in January and December. The overall trend showcases a warm and inviting climate, with September offering a comfortable balance between summer warmth and the incoming crispness of fall.
As summer fades in September, Vieste, Italy, experiences a notable shift in the UV Index, dropping to 7, which falls into the high exposure category. This change marks a transition from the peak intensity of July's 10 and August's 9, where sunbathers needed to be especially cautious with a burn time of just 15 minutes. With September’s burn time returning to 25 minutes, it’s a perfect balance for those looking to savor the end of summer while still enjoying the sun responsibly. As the days grow shorter, it's essential to stay informed about the UV levels to protect your skin. For specific details and tips, check out the comprehensive Vieste UV Index.
UV Risk Categories
September in Vieste, Italy, offers a gentle shift from the blazing summer months into the embrace of early autumn, with 345 hours of glorious sunshine. This month stands out as a bridge between the peak of summer, where July dazzles with 430 hours of sunlight, and the slightly lower illumination of October, which sees 315 hours. The sunshine trend reveals a steady increase from January's 199 hours to May's 402 hours, showcasing the region's warming climate as the year progresses. As the vibrant beach days begin to fade, September still basks in ample sunlight, allowing visitors to savor the picturesque coastal landscapes and warm Mediterranean vibes. With comfortable temperatures and fewer crowds, it’s an ideal time to enjoy the beautiful scenery and charm of Vieste before the cooler months set in.
In Vieste, Italy, the likelihood of sunny weather in September stands at a pleasant 61%, making it a favorable time for sun-seekers. As summer transitions into autumn, the chance of sunshine slightly dips from the previous months—July and August boast impressive probabilities of 78% and 76%, respectively. However, September still enjoys a substantial amount of sunshine, comparable to the early spring months like February and March, which also hover around the same percentage. This balance of sunny days signals that while summer’s peak warmth is waning, visitors can still relish in a delightful early fall experience characterized by moderate temperatures and charming coastal beauty.
In Vieste, Italy, September marks a gentle shift as summer begins to wane, offering approximately 12 hours of daylight. This noticeable decrease follows the sunniest months of the year, June and July, which boast up to 15 hours of light, creating a vibrant atmosphere perfect for beach activities and outdoor exploration. As summer fades, September provides a balanced mix of daylight, bridging the gap to the autumn months when daylight shrinks further to 11 hours in October. The gradual decline in daylight hours reflects the changing seasons, inviting visitors to embrace the soft golden hues of early autumn and enjoy the serene beauty of the coastal landscape.
As summer fades into autumn, September in Vieste brings a gentle breeze, settling at an average wind speed of 4.7 m/s (11 mph)—the calmest of the year. This reflects a notable trend of decreasing wind speeds as the months transition from the warmer summer days, where winds peaked in July and August at 5.1 m/s (11 mph). The shift from the vibrant heights of summer to the more tranquil conditions of early fall creates a serene atmosphere, perfect for leisurely strolls along the picturesque coastline. With a slight uptick in wind speed anticipated in October, nature gracefully prepares for the approaching seasonal change, ensuring that even as September winds down, Vieste remains a charming escape by the Adriatic Sea.
The weather in Vieste 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 Vieste and find detailed weather information for every month.
September weather is generally warmer and more temperate, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (84°F). The month sees moderate precipitation of about 48 mm (1.9 in) over approximately 5 days, accompanied by a humidity level of 66%. In contrast, January presents a starkly cooler climate, with temperatures ranging from a chilly minimum of 0°C (33°F) to a maximum of 16°C (61°F). Precipitation in January is slightly higher, totaling 52 mm (2.0 in) across 8 days, alongside an increase in humidity at 82%. For a detailed look at January weather specifics, check out Vieste weather in January.
September and February present quite contrasting weather conditions. In September, the temperatures range from a comfortable minimum of 16°C (61°F) to peaks of 29°C (84°F), with an average of 23°C (74°F), making it a warm month suitable for outdoor activities. The month experiences relatively low precipitation, with 48 mm (1.9 in) falling across about 5 days, and humidity levels at 66%.
In contrast, February showcases much cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 17°C (62°F), averaging only 12°C (54°F). Although the precipitation is slightly less at 45 mm (1.8 in), it is distributed over 8 days, resulting in higher humidity levels at 74%. For more detailed insights on February weather, you can check Vieste weather in February.
September and March present distinctly different weather patterns. September enjoys warmer average temperatures, with a minimum of 16°C (61°F) and a maximum of 29°C (84°F), making it a comfortable month for outdoor activities. In contrast, March is much cooler, featuring a minimum temperature of 3°C (38°F) and a maximum of just 16°C (61°F), which can feel quite brisk. Both months experience similar levels of precipitation, with September receiving 48 mm (1.9 in) across about 5 days and March slightly higher at 50 mm (2.0 in) over 7 days. Humidity levels are also comparable, with September at 66% and March at 70%. For a deeper insight into March weather in this region, you can refer to Vieste weather in March.
When comparing the weather between September and April, it's clear that September tends to be warmer and slightly wetter. With average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (84°F), September enjoys a mild climate, while April's temperatures are cooler, with a range of 7°C (45°F) to 21°C (70°F). Although April sees less precipitation at 29 mm (1.1 in) compared to September's 48 mm (1.9 in), it experiences more days of rainfall, occurring over six days. Furthermore, humidity levels are slightly higher in April at 71%, compared to September's 66%. For more detailed information about the weather in April, you can check Vieste weather in April.
In September, the weather is generally warmer than in May, with average temperatures reaching up to 23°C (74°F) compared to May's average of 18°C (65°F). The maximum temperature in September can peak at 29°C (84°F), while May only sees a maximum of 25°C (77°F). Additionally, September experiences slightly higher precipitation, with 48 mm (1.9 in) over 5 days, whereas May has 35 mm (1.4 in) over the same number of days. The humidity is also slightly lower in September at 66%, compared to 71% in May. For more details on May's climate, check out Vieste weather in May.
In comparing the weather of September and June, both months share similar temperature ranges, with minimum temperatures around 16°C (61°F), average temperatures of approximately 23°C (74°F), and maximum temperatures reaching 29°C (84°F in September and 85°F in June). However, September tends to be slightly wetter, experiencing 48 mm (1.9 in) of precipitation over 5 days, compared to June's lighter rainfall of 12 mm (0.5 in) across just 3 days. Humidity levels are quite similar, with September at 66% and June slightly lower at 65%. For those interested in exploring Vieste's June conditions further, you can find more details here: Vieste weather in June.
In comparing the weather of September and July, it is evident that July tends to be warmer with average temperatures around 25°C (78°F) and maximums reaching 30°C (86°F). In contrast, September sees slightly cooler temperatures, with an average of 23°C (74°F) and a maximum of 29°C (84°F). Precipitation is also notably different; July experiences only 13 mm (0.5 in) over just 2 days, while September has more rainfall, totaling 48 mm (1.9 in) across 5 days. Humidity levels are fairly similar, with July at 61% and September at 66%. For a more detailed look at July weather, you can check out Vieste weather in July.
In comparing the weather of September to that of August, September tends to be slightly cooler, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (84°F), while August records higher averages with temperatures from 20°C (69°F) to 32°C (90°F). Additionally, September experiences more precipitation, totaling 48 mm (1.9 in) over 5 days, compared to August's modest 13 mm (0.5 in) over just 2 days. Humidity levels are also higher in September at 66%, compared to 56% in August. For more detailed information, you can check Vieste weather in August.
In September, the weather tends to be warmer, with average temperatures around 23°C (74°F) and maximums reaching up to 29°C (84°F). The humidity is relatively moderate at 66%, and there is some rain, with about 48 mm (1.9 in) of precipitation over approximately 5 days. In contrast, October brings cooler temperatures, averaging 19°C (67°F), with maximums of 25°C (77°F) and minimums dipping to 14°C (57°F). This month also sees an increase in precipitation, totaling 54 mm (2.1 in) over about 7 days, accompanied by higher humidity levels at 74%. For more detailed insights, check out Vieste weather in October.
September typically boasts warmer temperatures, with an average of 23°C (74°F) and highs reaching up to 29°C (84°F), while November sees a noticeable drop, with average temperatures around 16°C (62°F) and maximums of 22°C (72°F). Additionally, September has lower humidity at 66% and significantly less rainfall, totaling 48 mm over just 5 days. In contrast, November experiences higher humidity levels of 80% and increased precipitation, with 81 mm recorded over 11 days. For more details on the November weather conditions in Vieste, you can check Vieste weather in November.
In September, the weather is generally warmer, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (84°F), making it a pleasant month for outdoor activities. The average temperature is around 23°C (74°F), accompanied by moderate humidity levels of 66% and relatively low precipitation at 48 mm (1.9 in) over about 5 days. In contrast, December brings cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 17°C (63°F). The average temperature drops to 13°C (56°F), and the humidity increases to 82%, contributing to a wetter month with 70 mm (2.8 in) of rain over approximately 10 days. For more details on what to expect during this time, check Vieste weather in December.
September in Vieste presents a delightful transition from the summer heat, showcasing a beautiful blend of warmth and mildness. The weather becomes more temperate, with average temperatures hovering around 23°C, making it an ideal time for outdoor activities. While the month does see some rain, with precipitation occurring on just a handful of days, the ambiance remains predominantly warm and inviting. Humidity levels balance the heat, providing a refreshing touch that distinguishes September from the hotter summer months. For a detailed look at the yearly patterns that this charming coastal town experiences, explore Vieste Climate.