Last updated: March 24, 2025
La Thuile in September offers a charming alpine experience, characterized by cool temperatures that range from a maximum of 20°C (68°F) to a minimum of -9°C (16°F), with an average around 8°C (47°F). During this month, visitors can expect to see around 70 mm (2.7 in) of precipitation spread over approximately 13 days, lending a refreshing touch to the landscape. With humidity levels at 73%, the air feels crisp and invigorating, making it a perfect time for exploration and experiencing the stunning natural beauty that surrounds this Italian gem.
In September, La Thuile, Italy, begins to witness the transition from the warmth of summer to the crisp chill of autumn. With temperatures ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F), the average settles around 8°C (47°F), offering a refreshing coolness that's perfect for outdoor activities. The notable drop in nighttime temperatures suggests a shift toward cooler days, while the still-mild days encourage hikers and nature enthusiasts to explore the stunning alpine scenery. Overall, September presents a harmonizing blend of lingering summer warmth and emerging autumn coolness, making it a delightful time to experience the charm of La Thuile.
In September, La Thuile experiences a moderate shift in precipitation, with 70 mm (2.7 in) of rainfall over approximately 13 days. This marks a decline from the wetter summer months, reflecting the transition into autumn. The gentle decrease in both precipitation volume and frequency, compared to the heavier rains in May and June, creates a crisp, refreshing atmosphere ideal for outdoor exploration. As the landscape shifts from vibrant greens to warm autumn hues, the softer rainfall enhances the region's serene beauty, inviting visitors to enjoy the stunning backdrop of the Alps.
As summer gives way to autumn, September's humidity in La Thuile reflects a gentle shift in the air. With levels at 73%, this month marks a slight increase from the drier months of July and August, which saw lows of 72% and 63%, respectively. This transition hints at the cooling temperatures and the onset of fall, paving the way for the higher humidity that typically returns in October. Overall, the trend from late spring through early autumn shows a steady decline in humidity, followed by this modest uptick as the region prepares for the wet and chilly months ahead.
September in La Thuile, Italy, marks the transition from summer's peak UV exposure to the cooler autumn months. With a UV Index of 8, this month is categorized as having very high exposure, requiring careful sun protection with a burn time of just 15 minutes. Following the intense summer months, where July and August also reached high indices of 10 and 9 respectively, September retains notable UV levels, reminding visitors to remain vigilant against sunburn. As the days shorten and temperatures cool, the UV Index gradually declines, preparing for October's high category rating of 6. For detailed information and tips on staying safe under the sun, check out La Thuile UV Index.
UV Risk Categories
As the season transitions into September, La Thuile, Italy, basks in a splendid 329 hours of sunshine, a delightful reminder of summer’s lingering touch. Following the peak of 423 hours in July, the sun gradually retreats, yet September's warmth offers a beautiful blend of milder temperatures and vibrant autumn colors. This month's sunshine is a marked contrast to the early winter gloom, with daylight hours still significantly higher than what awaits in the upcoming months, such as 206 hours in December. The sunny days not only extend the hiking season but also create the perfect backdrop for outdoor activities, allowing visitors to savor the last remnants of summer while the leaves begin to turn.
In La Thuile, Italy, the likelihood of sunny weather in September sees a notable dip with a 28% chance, making it one of the less sunny months compared to the peak summer months. This decrease is especially pronounced when compared to August’s more favorable conditions, which boasts a 42% chance of sunshine. Interestingly, September's sun probability closely aligns with May's and lags behind the early autumn month of October, which enjoys a 43% chance. As summer transitions to fall, it’s clear that while La Thuile offers beautiful scenery and outdoor activities throughout September, visitors should prepare for a higher likelihood of cloud cover as sunny days become less frequent.
As summer gives way to autumn in La Thuile, Italy, September brings a graceful transition in daylight, offering about 12 hours of sunshine each day. Following the peak of summer where daylight reaches its zenith at 15 hours in both June and July, the days begin to shorten gradually. This reduction in daylight continues into October, balancing out the vibrant life of summer with the serene calm of fall. The lingering light in September, complemented by the changing colors of foliage, creates a perfect backdrop for outdoor explorations and hikes, allowing visitors to enjoy the beauty of nature as it shifts from the warmth of summer into the cool embrace of autumn.
As summer transitions to autumn in La Thuile, September brings a subtle shift in the air with average wind speeds dipping to 1.0 m/s (2 mph). This gentle breeze, the lightest of the year, mirrors the slower pace of life in the picturesque Italian village as crowds thin and nature begins to prepare for the colder months ahead. Notably, September marks the end of a subtle decline in wind speeds since early summer, when gusts reached a more lively 1.3 m/s (3 mph) in both July and August. With the wind dancing lightly around the charming alpine scenery, residents and visitors alike can savor the tranquil beauty of this enchanting time of year, where the gentle rustle of leaves speaks to the arrival of fall.
The weather in La Thuile 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 La Thuile and find detailed weather information for every month.
In September, temperatures in La Thuile range from a chilly -9°C (16°F) at night to a pleasant 20°C (68°F) during the day, with an average of 8°C (47°F). The month experiences moderate precipitation, totaling 70 mm (2.7 in) over about 13 days, and humidity levels hover around 73%. In stark contrast, January is much colder, with minimum temperatures plunging to -25°C (-14°F) and a maximum of only 5°C (42°F), resulting in an average of -9°C (15°F). Precipitation is higher in January, at 139 mm (5.5 in), although it falls on just 10 days, and the humidity increases to 91%. For more details, check out La Thuile weather in January.
September and February present starkly contrasting weather patterns. In September, temperatures range from a chilly minimum of -9°C (16°F) to a comfortable maximum of 20°C (68°F), with an average of 8°C (47°F). The month experiences around 70 mm (2.7 in) of precipitation spread over 13 days, accompanied by a humidity level of 73%.
In contrast, February is much colder, with temperatures plummeting to a minimum of -22°C (-7°F) and an average of -6°C (22°F), peaking at only 8°C (46°F). The month is wetter, with precipitation reaching 99 mm (3.9 in) over 11 days and humidity increasing to 87%. For more insights into February weather conditions, visit La Thuile weather in February.
In September, the weather is relatively mild, with average temperatures ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F). The month sees about 70 mm (2.7 in) of precipitation over approximately 13 days, and the humidity sits at 73%. In contrast, March experiences much colder conditions, with temperatures ranging from a low of -25°C (-13°F) to a high of 11°C (51°F). The total precipitation in March increases to 127 mm (5.0 in) over 15 days, accompanied by higher humidity levels at 84%. For more detailed insights, you can check the La Thuile weather in March.
When comparing the weather in September and April, it's clear that September is generally milder, with average temperatures ranging from -9°C (16°F) at night to a pleasant 20°C (68°F) during the day. In contrast, April experiences a colder range, with minimum temperatures dropping to -17°C (2°F) and averaging around 0°C (33°F), only reaching a maximum of 13°C (55°F). Both months see similar levels of precipitation, around 70 mm (2.7-2.8 in), though September has rain over 13 days compared to April's 10 days. Additionally, humidity levels are slightly higher in April at 83%, compared to 73% in September. For a more detailed look at April weather, you can check out La Thuile weather in April.
When comparing the weather in September and May, we see notable differences in temperature and precipitation. September is generally milder, with average temperatures ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F), whereas May experiences cooler averages, with temperatures from -14°C (7°F) to a maximum of 19°C (66°F). September also has lower precipitation, totaling 70 mm (2.7 in) over about 13 days, compared to May's significantly higher 154 mm (6.1 in) spread across 20 days. Additionally, humidity levels are slightly higher in May at 78%, compared to September’s 73%. For a deeper look into the weather specifics, you can explore La Thuile weather in May.
When comparing the weather in September and June, a notable difference in temperature patterns can be observed. In September, temperatures range from a chilly minimum of -9°C (16°F) to a milder maximum of 20°C (68°F), with an average of 8°C (47°F). In contrast, June sees warmer conditions, with minimum temperatures of -3°C (27°F) and maximums reaching 25°C (78°F), resulting in an average of 10°C (50°F). Additionally, June experiences more precipitation, totaling 105 mm (4.1 in) over 17 days, compared to September's 70 mm (2.7 in) across 13 days. Humidity levels are similar, with June at 75% and September slightly lower at 73%. For more specific insights about June weather in La Thuile, visit La Thuile weather in June.
In comparing the weather of September and July, it is evident that July tends to be warmer and wetter. July boasts an average temperature of 12°C (54°F), with maximum highs reaching 26°C (78°F), while September's temperatures are significantly cooler, averaging around 8°C (47°F) with a maximum of 20°C (68°F). Additionally, July experiences more precipitation, with 102 mm (4.0 in) over 16 days compared to September's 70 mm (2.7 in) over 13 days. Both months have similar humidity levels, with July at 72% and September slightly higher at 73%. For those interested in more detailed July weather information, you can check out La Thuile weather in July.
In comparing the weather between August and September, September tends to be noticeably cooler, with average temperatures ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F), while August experiences milder conditions, with temperatures ranging from 0°C (33°F) to a maximum of 24°C (75°F). Additionally, September has a higher average humidity at 73% compared to August's 63%, contributing to a chillier feel. Precipitation levels are also significant, with September registering 70 mm over 13 days, while August sees more rainfall at 100 mm across 14 days. For a deeper look into August weather specifics, you can check La Thuile weather in August.
September and October exhibit noticeable shifts in weather patterns. In September, temperatures range from a minimum of -9°C (16°F) to a maximum of 20°C (68°F), with an average of 8°C (47°F). The month sees 70 mm (2.7 in) of precipitation over 13 days and a humidity level of 73%. In contrast, October brings cooler conditions, with temperatures dipping to a minimum of -8°C (17°F) and peaking at 16°C (60°F), averaging 4°C (39°F). Precipitation also increases significantly to 111 mm (4.4 in) across 12 days, and humidity rises to 89%. For a detailed look at October weather, you can visit La Thuile weather in October.
In September, the weather is relatively mild with temperatures ranging from a chilly -9°C (16°F) at night to a comfortable 20°C (68°F) during the day, averaging around 8°C (47°F). Precipitation is moderate, totaling 70 mm (2.7 in) over 13 days, accompanied by a humidity level of 73%. In contrast, November brings a significant drop in temperature, with nighttime lows plunging to -23°C (-9°F) and daytime highs only reaching up to 12°C (55°F), averaging -3°C (27°F). This month experiences increased precipitation at 106 mm (4.2 in) over 14 days, while humidity rises to 90%. For more details on November weather, check La Thuile weather in November.
In comparing the weather between September and December, significant contrasts are evident. September enjoys milder temperatures, with an average of 8°C (47°F) and a maximum of 20°C (68°F), whereas December sees much colder conditions, averaging -8°C (19°F) and reaching a maximum of only 4°C (40°F). Precipitation also markedly increases in December, totaling 216 mm (8.5 in) over 17 days, compared to the 70 mm (2.7 in) over 13 days in September. Additionally, December's higher humidity of 90% contributes to the chill, making it feel much colder than the relatively comfortable humidity of 73% in September. For more details about the winter climate, you can check La Thuile weather in December.
As summer gracefully fades into autumn, September in La Thuile offers a unique blend of crisp temperatures and refreshing rains. The days begin to cool, providing a noticeable shift from the warmer months with a maximum of 20°C and an average of 8°C. While it may still surprise you with occasional sunny spells, the increased precipitation—averaging 70 mm over about 13 days—marks this month as a transitional period. This humidity-laden atmosphere enhances the natural beauty of the region, creating a vibrant tapestry of fall colors. For those looking to understand more about how September fits into the overall pattern of La Thuile's weather, check out the detailed insights in our article on La Thuile Climate.