Last updated: March 24, 2025
September in Valtournenche, Italy offers a captivating transition into autumn, characterized by maximum temperatures reaching 18°C (65°F) and a pleasant average of 6°C (44°F). As daylight decreases, the minimum temperatures can dip to -9°C (16°F), reminding visitors of the approaching winter chill. Rainfall adds a refreshing touch, with 76 mm (3.0 inches) of precipitation spread over 13 days, contributing to the vibrant foliage and lush landscapes. The region experiences a moderate humidity level of 73%, creating an atmosphere that beautifully balances crisp mountain air with the last hints of summer warmth.
As September arrives in Valtournenche, the temperatures begin to shift, ushering in the crispness of autumn. With minimums dipping to -9°C (16°F) and average highs reaching a pleasant 18°C (65°F), the month reflects a gradual transition from the warm summer days of August. While the average temperature holds at around 6°C (44°F), it’s evident that the cooler embrace of autumn is setting in, marking a stark contrast to the heatwave of July and August. This change not only highlights the striking seasonal variations but also invites visitors to enjoy leisurely outdoor activities amid the stunning fall colors, making September a captivating time to experience the beauty of this Italian alpine gem.
As the warm embrace of summer gives way to the crispness of autumn, September in Valtournenche, Italy, experiences a significant dip in precipitation. With a total of 76 mm (3.0 in) of rain over 13 days, this month marks a shift from the wetter months of May and June, which saw much higher totals of 137 mm (5.4 in) and 120 mm (4.7 in), respectively. The decline is evident compared to the preceding months, and while summer's lushness fades, September's lighter rainfall sets the stage for stunning fall foliage amidst a crisp, refreshing atmosphere. As the region prepares for the colder months ahead, September serves as a gentle transition, balancing rainfall and clear days, making it a picturesque time to experience the beauty of Valtournenche.
As summer transitions into autumn, September in Valtournenche, Italy, experiences a slight uptick in humidity, averaging around 73%. This marks a notable increase from the drier conditions of August, which recorded just 63% humidity. The month serves as a bridge between the relatively comfortable summer months, characterized by humidity levels that steadily declined from 75% in June to the more arid 72% in July. As the region prepares for the cooler months ahead, humidity begins to rise again, hinting at the more humid conditions to come in October and winter. This pattern showcases how Valtournenche's climate gracefully ebbs and flows, offering a unique blend of seasonal experiences.
In September, Valtournenche experiences a noticeable shift in UV intensity as summer winds down. With a UV Index of 7, categorized as high, residents and visitors alike should be mindful of sun exposure, with a burn time of approximately 25 minutes. This marks a decrease from the extreme levels seen during the peak summer months, yet it's still a reminder that the sun's rays can be potent. As the season transitions into autumn, the UV levels gradually decline, making it essential for outdoor enthusiasts to adapt their sun protection strategies. For detailed information on UV levels throughout the year, visit Valtournenche UV Index.
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In September, Valtournenche, Italy, basks in a generous 333 hours of sunshine, marking a delightful transition as summer's warmth begins to wane. This month retains a vibrant slice of the sun-soaked summer, yet hints at the encroaching autumn, with sunlight hours slightly less than the preceding summer months. From the bright heights of 425 hours in July, the sunlight gradually tapers, illustrating a gentle shift in the seasonal rhythm. Notably, September offers more sunshine than the early months of the year, showcasing a beautiful balance between lingering summer days and the crisp chill of autumn. As the days shorten, the vivid landscapes of Valtournenche remain illuminated, inviting visitors to embrace the tranquil beauty of this enchanting region.
In Valtournenche, Italy, September experiences a 27% chance of sunny weather, setting it apart from the more vibrant summer months. While this percentage reflects a dip compared to the previous month of August's 40%, it still holds its own against the early autumn backdrop. This trend shows a gradual decline in sunny days as the year progresses, contrasting sharply with the elevated chances of sunshine found in both March and April, each sitting at 43%. As summer transitions into autumn, visitors can expect a mix of sun and potential cloudiness, presenting unique opportunities for scenic walks amidst the changing foliage.
As summer gracefully transitions into autumn in Valtournenche, Italy, September offers a soothing blend of daylight and cool breezes, with around 12 hours of sunlight. This marks a gentle decline from the sun-drenched days of July and August, where the region basked in up to 15 hours of daylight. The gradual shortening of days reflects nature’s rhythm as it prepares for the cooler months ahead. Historically, as the year progresses from the bright vibrancy of spring and the fullness of summer, daylight dwindles from a peak of 15 hours in July, offering a poignant reminder of the seasonal cycle and the ever-changing beauty of this alpine haven.
As September unfolds in Valtournenche, Italy, the gentle whispers of the wind offer a serene contrast to the summer's livelier breezes. With an average wind speed of just 1.1 m/s (2 mph), this month marks a subtle dip, showcasing the tranquil transition into autumn. Interestingly, September's breezes are among the calmest of the year, following a mild summer that maintained an average of 1.4 m/s (3 mph) during the peak months. As the landscape begins to don its autumn hues, the soft winds invite a reflective pace, reminding residents and visitors alike to revel in nature’s soothing embrace before the chill of winter arrives.
The weather in Valtournenche 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 Valtournenche and find detailed weather information for every month.
September and January bring starkly contrasting weather conditions. In September, temperatures range from a minimum of -9°C (16°F) to a maximum of 18°C (65°F), with an average of about 6°C (44°F). The month experiences around 76 mm (3.0 in) of precipitation over 13 days, coupled with a humidity level of 73%. In contrast, January is much colder, with temperatures dropping to a minimum of -30°C (-22°F) and only peaking at 3°C (37°F), averaging -12°C (11°F). Precipitation increases to 112 mm (4.4 in) over just 10 days, and the humidity is notably higher at 91%. For more insights on January weather specifics, you can check out Valtournenche weather in January.
In September, the weather exhibits a milder range of temperatures, with a minimum of -9°C (16°F) and an average of 6°C (44°F), peaking at a comfortable 18°C (65°F). This month experiences about 76 mm (3.0 in) of precipitation spread over 13 days, along with a humidity level of 73%. In contrast, February showcases much colder conditions, with temperatures plunging to a minimum of -26°C (-15°F) and an average temperature of -8°C (17°F), while the maximum only reaches 6°C (42°F). Although February sees slightly less precipitation at 73 mm (2.9 in) over 11 days, the humidity is noticeably higher at 87%. For more insights, visit Valtournenche weather in February.
When comparing the weather in September and March, it's clear that there are significant differences in temperature and conditions. September experiences milder temperatures, ranging from a minimum of -9°C (16°F) to an average of 6°C (44°F), peaking at a maximum of 18°C (65°F). In contrast, March is considerably colder, with temperatures dipping as low as -29°C (-19°F) and averaging -6°C (21°F), only reaching a high of 8°C (47°F). Additionally, September sees about 76 mm (3.0 in) of precipitation over 13 days, while March has increased precipitation totaling 101 mm (4.0 in) over 14 days. The humidity further reflects seasonal variations, with September at 73% and March higher at 84%. For more detailed insights into March's weather, you can visit Valtournenche weather in March.
In comparing the weather of September and April, we observe notable differences in temperatures and conditions. September features a milder temperature range, with a minimum of -9°C (16°F), an average of 6°C (44°F), and a maximum of 18°C (65°F), along with a total precipitation of 76 mm (3.0 in) over 13 days and a humidity of 73%. Conversely, April is cooler overall, with temperatures dipping to a minimum of -17°C (2°F), an average of -2°C (29°F), and a maximum of 11°C (51°F). April also experiences slightly higher precipitation at 86 mm (3.4 in) across 11 days, accompanied by a higher humidity level of 83%. For further details, check out Valtournenche weather in April.
In comparing the weather of September and May, we see notable differences in temperature and precipitation. September features a milder temperature range with a minimum of -9°C (16°F) and an average of 6°C (44°F), peaking at 18°C (65°F). In contrast, May experiences colder conditions, with a minimum of -14°C (8°F) and an average of 2°C (36°F), reaching a maximum of 16°C (60°F). Additionally, May witnesses significantly more rainfall, totaling 137 mm (5.4 in) over 18 days, compared to September's 76 mm (3.0 in) across 13 days. Humidity levels are slightly higher in May at 78%, compared to 73% in September. For more details on May weather, you can check Valtournenche weather in May.
In September, the weather in Valtournenche features a cooler temperature range with a minimum of -9°C (16°F) and a maximum of 18°C (65°F), resulting in an average of 6°C (44°F). The month sees 76 mm (3.0 in) of precipitation over 13 days, accompanied by a humidity level of 73%. In contrast, June offers milder conditions, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 23°C (73°F), culminating in an average of 8°C (47°F). This month experiences more substantial rainfall, totaling 120 mm (4.7 in) over 17 days and a slightly higher humidity of 75%. For more detailed information on June weather patterns, you can visit Valtournenche weather in June.
In comparing the weather between September and July, September tends to be cooler with a minimum temperature dropping to -9°C (16°F) and a maximum of just 18°C (65°F). In contrast, July experiences milder temperatures, ranging from a minimum of -1°C (30°F) to a comfortable maximum of 23°C (73°F). Both months exhibit significant precipitation, with September receiving 76 mm (3.0 in) over 13 days and July slightly higher at 102 mm (4.0 in) across 15 days. Humidity levels remain relatively similar, with September at 73% and July at 72%. For more details on July weather, you can visit Valtournenche weather in July.
In comparing the weather conditions between August and September, we see a noticeable drop in temperatures as summer transitions into autumn. August experiences milder temperatures, with a minimum of -2°C (28°F) and an average of 10°C (50°F) peaking at 22°C (72°F). In contrast, September's temperatures are lower, ranging from a minimum of -9°C (16°F) to an average of 6°C (44°F) and a maximum of 18°C (65°F).
Rainfall is also more pronounced in August, with 115 mm (4.5 in) recorded over 16 days compared to September's 76 mm (3.0 in) spread over 13 days. Additionally, September has a higher humidity level of 73% compared to August's 63%. For a closer look at August conditions, you can visit Valtournenche weather in August.
In September, the weather is generally milder, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 18°C (65°F) and an average of 6°C (44°F). The month experiences 76 mm (3.0 in) of precipitation over 13 days, accompanied by a humidity level of 73%. In contrast, October brings a significant drop in temperatures, with lows reaching -14°C (6°F) and an average of just 1°C (35°F), peaking at 14°C (57°F). Precipitation increases to 133 mm (5.2 in) over 12 days, and humidity rises to 89%, leading to a much chillier and wetter month. For a detailed look at October’s weather specifics, visit Valtournenche weather in October.
September and November present notably different weather conditions. In September, temperatures range from a minimum of -9°C (16°F) to a maximum of 18°C (65°F), with an average of 6°C (44°F). The month sees 76 mm (3.0 in) of precipitation over 13 days and a humidity level of 73%.
In contrast, November experiences much colder temperatures, with a minimum of -25°C (-13°F) and an average of -5°C (23°F), rising to a maximum of 9°C (49°F). Precipitation increases to 117 mm (4.6 in) over 14 days, accompanied by a higher humidity of 90%. The shift in weather from September to November signifies a transition into winter, making November's conditions much more severe. For more details on November weather, you can check Valtournenche weather in November.
In September, the weather in Valtournenche is noticeably milder, with average temperatures ranging from a chilly -9°C (16°F) at night to a pleasant 18°C (65°F) during the day. The month sees about 76 mm (3.0 in) of precipitation over approximately 13 days, accompanied by a relative humidity of 73%. In contrast, December brings much harsher conditions, with temperatures plunging to a minimum of -27°C (-16°F) and an average of -10°C (15°F), capped at just 3°C (37°F). Precipitation increases significantly to 154 mm (6.1 in) over 16 days, along with a higher humidity level of 90%. For more details on December weather, visit Valtournenche weather in December.
As September unfolds in Valtournenche, the weather offers a refreshing shift from the summer heat, characterized by cooler temperatures and increased precipitation. With an average temperature that dips to a brisk 6°C, the month sets a more subdued tone compared to the warmer months, making it an ideal time for those seeking to enjoy the serene beauty of autumn. Rainfall is also quite prominent, with about 13 wet days contributing to the lush landscapes, while humidity levels hover around 73%, adding a crispness to the air. This transitional period is perfect for outdoor enthusiasts who appreciate the serene ambiance that September brings. For a comprehensive overview of weather trends throughout the year, explore the details in Valtournenche Climate.