Last updated: March 24, 2025
In September, Chianciano Terme, Italy, experiences a delightful climate with maximum temperatures reaching 31°C (88°F), while the average settles around a comfortable 20°C (68°F). The weather can be quite variable, with minimum temperatures dipping to a cool 7°C (45°F). Rainfall is moderate, with a total of 77 mm (3.0 in) spread over 9 days, adding to the lush landscape. The humidity level remains at 66%, providing a pleasant backdrop for outdoor activities and exploration. Overall, September is a charming month to enjoy the thermal baths and scenic beauty of this captivating region.
As summer gracefully transitions into fall, September in Chianciano Terme offers a delightful climate characterized by mild temperatures and comforting warmth. The month kicks off with a minimum low of 7°C (45°F) and peaks at a pleasant 31°C (88°F), providing the perfect backdrop for exploring this charming Italian town. With an average temperature of 20°C (68°F), visitors can enjoy outdoor festivals and picturesque landscapes under sunny skies. September stands out as a harmonious blend of early autumn coolness and lingering summer heat, making it an ideal time for both relaxation and adventure before the cooler months set in.
In September, Chianciano Terme experiences a modest increase in precipitation, with 77 mm (3.0 in) falling over nine days—a pattern consistent with the early autumn transition. This level of rainfall mirrors that of April, indicating a seasonal balance before the cooler months. As summer heat recedes, the region sees a uptick in moisture, paving the way for October's even higher total of 85 mm (3.4 in). Such fluctuations suggest a gradual buildup of precipitation as Chianciano Terme moves into the wetter autumn months, with November forecasting the highest rainfall of the year at 141 mm (5.5 in). This trend illustrates the dynamic shift in weather patterns, making September a forecast of what’s to come in the fall season.
As summer fades and autumn approaches, September in Chianciano Terme experiences a noticeable shift in humidity levels, climbing to 66%. This marks a slight increase from the drier months of July and August, where humidity dropped to 57% and 55%, respectively. The transition hints at the onset of a more temperate climate, signaling the end of hot summer days. Following September, the humidity rises significantly in October to 79%, continuing the trend observed in the cooler months, where humidity averages around the high 70s and low 80s from late autumn through winter. This gradual rise creates a refreshing change, providing a delightful environment perfect for exploring the stunning landscapes of Chianciano Terme.
In September, Chianciano Terme experiences a notable shift in its UV Index, dropping to 7, which places it in the high exposure category. This marks a gradual reduction from the peak months of summer, where the UV Index soared to 10 in both June and July, demanding vigilant sun protection with only 15 minutes of burn time. As autumn approaches, the risk of harmful UV exposure remains significant, as September retains a burn time of 25 minutes. This trend highlights the interplay between seasonal changes and sun intensity, reminding visitors to stay seasoned with their sun safety practices. For a detailed overview, check the Chianciano Terme UV Index.
UV Risk Categories
September in Chianciano Terme, Italy, offers a delightful transition from the vibrant summer months to the mellow hues of autumn. With 335 hours of sunshine, this month retains a warm glow reminiscent of the peak summer days, though slightly less intense than the sun-drenched heights of July and August. The gradual decline in sunlight hours from the 432 hours in July to September's figures hints at nature's gentle shift, creating a perfect atmosphere for leisurely strolls and outdoor exploration. As the landscape begins to change, visitors can enjoy the lingering warmth while savoring the beauty of the lush surroundings, making Chianciano Terme an ideal destination during this picturesque time of year.
As September rolls in, Chianciano Terme begins to enjoy a favorable 55% chance of sunny weather, making it an ideal time to bask in the early autumn sun. This month sees a noticeable shift from the summer peak, providing a comfortable blend of warmth and clear skies. While the heat of July and August boast the highest sunshine probabilities at 64% and 65%, the fall transition still offers plenty of opportunities for outdoor activities and sightseeing without the extreme temperatures. As the season progresses into October, the likelihood of sunny days begins to decline to 40%, emphasizing September’s unique charm as a bridge between the vibrant summer and the cooler autumn months.
As September unfolds in Chianciano Terme, the daylight begins to wane, offering approximately 12 hours of sunshine each day. This slight decrease follows the peak of summer, where June basked in 15 hours of daylight. With summer giving way to autumn, daylight hours gradually decline from 14 hours in May to 12 hours in September, hinting at the cozy, shorter days to come. The transition is gentle, as the warm hues of early autumn still allow for ample time to enjoy the picturesque landscapes, while the evenings start to serve as a reminder of the approaching winter months. As the year progresses, Chianciano Terme transitions from bright summer days to the more subdued glow of fall, creating a beautiful tapestry of changing light throughout the seasons.
As the summer winds down in Chianciano Terme, September brings a gentle breeze with an average wind speed of 2.0 m/s (4 mph), making it one of the calmest months of the year. This gradual decline in wind speed from the more spirited gusts of spring and summer, which hover around 2.5 to 2.7 m/s (6 mph), welcomes the onset of autumn with a serene ambiance. Following this tranquil September, the winds pick up slightly again in October, creeping back to 2.8 m/s (6 mph), suggesting a seasonal cycle where the winds ebb and flow, reflecting the changing mood of the landscape. Overall, September's soft winds create a perfect setting for leisurely strolls and a peaceful appreciation of the picturesque surroundings.
The weather in Chianciano Terme 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 Chianciano Terme and find detailed weather information for every month.
September and January present stark contrasts in weather patterns. September enjoys a mild climate with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), averaging around 20°C (68°F). While it experiences moderate rainfall of 77 mm (3.0 in) over 9 days, humidity remains relatively comfortable at 66%. In contrast, January is much colder, with temperatures dropping to a minimum of -5°C (23°F) and peaking at only 15°C (59°F), averaging a chilly 5°C (41°F). The month sees less precipitation at 47 mm (1.8 in) over 7 days, but humidity is higher at 84%. For more details on January weather in Chianciano Terme, visit Chianciano Terme weather in January.
When comparing the weather in September and February, notable differences emerge. September experiences milder temperatures, with a minimum of 7°C (45°F) and an average of 20°C (68°F), peaking at a warm 31°C (88°F). In contrast, February is much colder, featuring a minimum of -9°C (16°F) and an average of only 7°C (45°F), with a maximum of 18°C (65°F). While September sees a higher average precipitation of 77 mm (3.0 in) over 9 days, February is slightly less wet, with 66 mm (2.6 in) across 8 days. Furthermore, February has a higher humidity level at 76% compared to September's 66%. For a more detailed forecast, visit Chianciano Terme weather in February.
When comparing the weather in September and March, significant differences emerge. September boasts a warmer temperature range, with daily averages around 20°C (68°F) and maximums reaching up to 31°C (88°F), while March is much cooler, with average temperatures around 9°C (48°F) and highs peaking at 21°C (70°F). Precipitation levels are relatively close, with September receiving 77 mm and March slightly less at 66 mm; however, both months experience rain on approximately 9 days. Humidity levels are similar as well, hovering around 66% in September and 68% in March. For more detailed weather insights in March, you can visit Chianciano Terme weather in March.
When comparing the weather in September and April, notable differences emerge. September is generally warmer, with average temperatures around 20°C (68°F) and maximums reaching up to 31°C (88°F), while April's average hovers at 12°C (54°F) with highs of 26°C (78°F). Both months experience similar levels of precipitation, with September receiving about 77 mm (3.0 in) over 9 days and April experiencing 77 mm (3.0 in) over 10 days. Humidity levels are also comparable, with September at 66% and April slightly higher at 70%. For more details about April weather, you can visit Chianciano Terme weather in April.
In comparing the weather between September and May, September stands out with slightly warmer average temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), while May has a range from 4°C (40°F) to a maximum of 30°C (86°F). However, May experiences more frequent rain, with precipitation on 14 days compared to September's 9 days, resulting in a total of 93 mm (3.7 in) of rainfall compared to September's 77 mm (3.0 in). Additionally, humidity levels are slightly higher in May at 69% compared to 66% in September, contributing to a different feel in the air. For more details on May's weather, you can check Chianciano Terme weather in May.
When comparing the weather in September and June, we find notable differences in temperature and precipitation patterns. In June, temperatures range from a minimum of 10°C (50°F) to a maximum of 35°C (96°F), with an average of 22°C (71°F), making it the warmer month overall. In contrast, September has a lower temperature range, with a minimum of 7°C (45°F) and a maximum of 31°C (88°F), averaging 20°C (68°F). Additionally, June experiences less precipitation, totaling 40 mm (1.6 in) over just 5 days, while September sees more rainfall at 77 mm (3.0 in) over 9 days, accompanied by slightly higher humidity at 66%. For more detailed information, you can check Chianciano Terme weather in June.
When comparing the weather in September and July, it's clear that July tends to be warmer and drier. In July, temperatures range from a minimum of 13°C (56°F) to a maximum of 35°C (95°F), with an average of 24°C (76°F) and only 35 mm (1.4 in) of precipitation over 5 days. In contrast, September sees a broader temperature range, with a minimum of 7°C (45°F), an average of 20°C (68°F), and a maximum of 31°C (88°F). It also experiences more rainfall, totaling 77 mm (3.0 in) across 9 days, along with higher humidity at 66% compared to 57% in July. For more detailed information on July's weather, you can visit Chianciano Terme weather in July.
When comparing the weather of September and August, September tends to be cooler and wetter. The average temperature in September is around 20°C (68°F), with a minimum of 7°C (45°F) and a maximum of 31°C (88°F), while August boasts a warmer average of 25°C (77°F) with temperatures ranging from 13°C (56°F) to a scorching maximum of 38°C (100°F). Additionally, September experiences more rainfall, with 77 mm (3.0 in) over 9 days, compared to August's 40 mm (1.6 in) over just 6 days. The humidity also rises in September to 66%, versus 55% in August. For a more detailed look at August weather specifics, you can visit Chianciano Terme weather in August.
September and October exhibit notable changes in weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 20°C (68°F), making it generally warmer and more pleasant. The precipitation in September is 77 mm (3.0 in) over 9 days, with humidity at 66%. In contrast, October sees a slight dip in temperatures, with a minimum of 6°C (43°F) and a maximum of 26°C (79°F), averaging 15°C (59°F). Additionally, October experiences a bit more rainfall, totaling 85 mm (3.4 in) over the same number of days, while humidity increases to 79%. For a more detailed view of October's weather, you can check Chianciano Terme weather in October.
September and November present a striking contrast in weather conditions. September typically enjoys milder temperatures, ranging from a comfortable 7°C (45°F) at night to a warm 31°C (88°F) during the day, with an average of 20°C (68°F). It experiences about 77 mm (3.0 in) of precipitation over approximately 9 days, accompanied by a humidity level of 66%. In contrast, November sees a notable drop in temperatures, with lows plunging to -1°C (31°F) and an average of 11°C (51°F), peaking at 19°C (66°F). Rainfall increases significantly to 141 mm (5.5 in) over about 15 days, and humidity rises to 84%. This shift highlights the transition from the warm, relatively dry weather of September to the cooler, wetter conditions typical of November. For a more detailed look at November weather, you can check Chianciano Terme weather in November.
In September, the weather in Chianciano Terme is typically warmer, with average temperatures reaching around 20°C (68°F) and highs peaking at 31°C (88°F). The month experiences a moderate level of humidity at 66% and 77 mm (3.0 in) of rainfall over approximately 9 days. In contrast, December brings a significant drop in temperatures, averaging just 7°C (44°F) and with lows dipping to -4°C (26°F). This month is also wetter, with 99 mm (3.9 in) of precipitation over 11 days and higher humidity at 83%. For a more detailed look at December weather, you can visit Chianciano Terme weather in December.
As summer transitions into autumn, September in Chianciano Terme presents a delightful blend of warm and cool weather, setting it apart from the hotter summer months. With maximum temperatures still reaching a pleasant 31°C (88°F) but average daytime temperatures dropping to a comfortable 20°C (68°F), this month offers a refreshing respite from the heat. While rainfall is slightly more frequent, with about 9 days seeing 77 mm of precipitation, the humidity levels around 66% enhance the overall moisture in the air, creating a crisp yet inviting atmosphere perfect for outdoor exploration. For those looking to understand the full scope of weather patterns here, visit Chianciano Terme Climate for more insights.