Last updated: February 26, 2025
In September, Les Deux Alpes, France experiences a captivating transition into autumn with maximum temperatures reaching 20°C (68°F) and an average of 9°C (48°F). The crisp air brings cooler nights, with temperatures dipping to a minimum of -13°C (9°F). This month is characterized by moderate rainfall, totaling 82 mm (3.2 in) over approximately 14 days, contributing to the region's lush landscapes. With a humidity level of 73%, visitors can expect refreshing, albeit occasionally damp, weather as the vibrant hues of fall begin to emerge, making it a picturesque time to explore the alpine scenery.
As September unfolds in Les Deux Alpes, France, temperatures begin to reveal a transition from the warmth of summer to the crispness of autumn. With a minimum temperature of -13°C (9°F) and an average of 9°C (48°F), the days start to cool down, while still allowing for comfortable afternoons, boasting a maximum of 20°C (68°F). This month serves as a gentle reminder that winter is on the horizon, yet it offers a beautiful blend of mild weather, perfect for outdoor adventures amidst stunning alpine scenery. Embracing the change, September encapsulates the essence of seasonal transformation, bringing with it the vibrant hues of autumn foliage that enhance the breathtaking landscape.
As September arrives in Les Deux Alpes, the region experiences a notable shift in precipitation patterns. With 82 mm (3.2 in) of rainfall over 14 days, this month marks a dip in both the total precipitation and the number of wet days compared to the bustling summer months of May and June, which see higher averages of 166 mm (6.6 in) and 133 mm (5.2 in), respectively. This decrease sets the stage for the cooler autumn months ahead, where rainfall gradually begins to pick up again in October with 111 mm (4.4 in). Overall, September serves as a transitional period, bridging the warm summer rains and the heavier precipitation typical of winter, which can reach upwards of 218 mm (8.6 in) by December.
In September, humidity in Les Deux Alpes begins to rise slightly after the seasonal low of summer, settling at a comfortable 73%. This shift signals the transition from the dry, warm days of August, where humidity dipped to 63%, towards the cooler, more humid months ahead. Interestingly, the early autumn humidity levels remain lower than the winter peaks, which soar to 91% in January and hover around 90% from November through January. This trend highlights a gradual buildup of moisture in the air as the seasons change, making September a refreshing time to experience the alpine beauty without the oppressive humidity of winter.
September in Les Deux Alpes, France, boasts a UV Index of 8, classified as very high, which means sun protection is essential. As summer draws to a close, the UV levels start to taper slightly from the extreme highs of June, yet they remain significant enough to warrant caution, with a burn time of just 15 minutes for unprotected skin. This month typically marks the transition into milder autumn conditions, but it's clear that UV exposure can still pose a risk. With September's UV levels being lower than the scorching peak of summer, it’s crucial to stay vigilant and protect your skin while enjoying the beautiful mountain surroundings. For more detailed information, explore the Les Deux Alpes UV Index.
UV Risk Categories
September in Les Deux Alpes, France, boasts a remarkable 337 hours of sunshine, marking a delightful transition into the fall season. As the summer heat wanes, this month still retains a generous amount of sunlight, rivaling the peak summer months such as July, which tops at 431 hours. The gradual decline in daylight hours from August’s 399 hours to September’s totals showcases a lingering warmth, encouraging outdoor adventures amidst breathtaking alpine scenery. As day lengths shorten, the sun-drenched days offer a perfect opportunity for hikers and mountain bikers to explore the stunning terrain before the crisp autumn air settles in. This trend of abundant sunshine underscores why September is an enticing time to visit, as visitors can still bask in the beautiful glow of summer while enjoying the tranquility of early autumn.
When considering the likelihood of sunny weather in September in Les Deux Alpes, France, it's notable that this month enjoys a 30% chance of sunshine. This figure places September on the lower end of the spectrum, especially compared to the peak of August, which boasts a more inviting 49% chance. While the sun begins to fade as summer transitions to fall, September still holds a fair opportunity for clear skies. Interestingly, it aligns more closely with the sunnier months of October (43%) and March (45%), offering a shimmering glimpse of sun before the clouds gather. As the seasons change, though the probability dips from the summer highs, September remains a worthy choice for those who seek some sunlight amid the stunning Alpine backdrop.
As September rolls into Les Deux Alpes, daylight begins to subtly wane, offering about 12 hours of sun each day. This marks a gentle transition from the abundant 15 hours of daylight experienced in the height of summer. The month serves as a picturesque bridge between the lush, bright days of summer and the shorter, crisper autumn afternoons ahead. While daytime light diminishes, it still provides ample opportunity to enjoy the stunning alpine scenery and partake in outdoor adventures before the arrival of the cooler months. With daylight gradually tapering off, September invites a perfect blend of warm days and refreshing nights, making it a delightful time to explore this beautiful region.
As September arrives in Les Deux Alpes, the tranquil atmosphere is marked by a gentle breeze averaging 1.3 m/s (3 mph), which is slightly less than the summer months. This subtle decline in wind speed is a reminder of the transition from the bustling summer activity to the quieter embrace of autumn. While the wind remains light, it mirrors the calming shift in the landscape, as the vibrant mountain hues begin to change with the season. Interestingly, September's winds are among the lowest of the year, aligned closely with the early months of winter, reigniting the anticipation for the snowy peaks ahead. This time of year, characterized by its serene charm and crisp air, invites both locals and visitors to savor the beauty of nature in a more peaceful setting.
The weather in Les Deux Alpes 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 Les Deux Alpes and find detailed weather information for every month.
In September, temperatures present a more moderate profile, ranging from a minimum of -13°C (9°F) to a maximum of 20°C (68°F), with an average of 9°C (48°F). The month also sees a relatively low precipitation level of 82 mm (3.2 in) over 14 days, accompanied by 73% humidity. In contrast, January ushers in much colder conditions, featuring a minimum temperature of -26°C (-14°F), an average of -8°C (18°F), and a maximum of just 6°C (43°F). Precipitation increases to 107 mm (4.2 in) over 10 days, and humidity also rises significantly to 91%. For a more detailed look at January weather, check out Les Deux Alpes weather in January.
September and February exhibit striking differences in weather conditions. In September, the temperatures range from a chilly minimum of -13°C (9°F) to a pleasant maximum of 20°C (68°F), with an average temperature of 9°C (48°F). The month experiences moderate precipitation of 82 mm (3.2 in) over 14 days and a humidity level of 73%. Conversely, February is considerably colder, with temperatures dipping as low as -20°C (-4°F) and peaking at only 9°C (49°F), averaging around -4°C (25°F). It sees slightly higher precipitation at 92 mm (3.6 in) across 11 days, coupled with increased humidity at 87%. For more specific details about February weather, you can check Les Deux Alpes weather in February.
In September, temperatures in Les Deux Alpes range from a chilly minimum of -13°C (9°F) to a pleasant maximum of 20°C (68°F), with an average of 9°C (48°F). The month sees a total precipitation of 82 mm (3.2 in) spread over 14 days, with humidity levels around 73%. In contrast, March experiences colder weather, with temperatures dipping even lower, where the minimum can reach -22°C (-8°F), and the average temperature sits around -2°C (28°F). March also sees a higher precipitation total of 132 mm (5.2 in) with the same number of rainy days, but humidity increases slightly to 84%. For more specifics about the weather during this time, check out Les Deux Alpes weather in March.
When comparing the weather in September and April, both months exhibit similar precipitation levels, with September recording 82 mm (3.2 in) over 14 days and April slightly higher at 84 mm (3.3 in) over 11 days. However, temperatures in September tend to be milder, with averages of 9°C (48°F) and maximums reaching 20°C (68°F), while April struggles with chilling averages of just 1°C (34°F) and maximums of 14°C (57°F). Additionally, humidity levels are slightly higher in April at 83%, compared to 73% in September. For more detailed insights, check out Les Deux Alpes weather in April.
In comparing the weather of September and May, we find that both months experience similar maximum temperatures, reaching around 20°C (68°F). However, September has a higher average temperature of 9°C (48°F) compared to May's 5°C (41°F). Precipitation levels are notably different, with May receiving 166 mm (6.6 in) over 20 days, while September sees only 82 mm (3.2 in) across 14 days. Additionally, humidity is slightly higher in May at 78%, compared to September's 73%. For more specific details on May weather, you can check out Les Deux Alpes weather in May.
In comparing the weather of September and June, we can see notable differences in temperature and precipitation patterns. September experiences a minimum temperature of -13°C (9°F), with an average of 9°C (48°F) and a maximum of 20°C (68°F), while June has a milder minimum of -2°C (29°F), an average of 11°C (51°F), and a maximum of 25°C (78°F). Precipitation also varies, with September receiving 82 mm (3.2 in) over 14 days, compared to June's 133 mm (5.2 in) over 18 days. Both months have high humidity levels, with September at 73% and June slightly higher at 75%. For more detailed information, you can check out Les Deux Alpes weather in June.
When comparing the weather between September and July, notable differences emerge. September experiences cooler temperatures, with an average of 9°C (48°F) and a maximum of 20°C (68°F), while July boasts warmer conditions, averaging 13°C (55°F) and peaking at 25°C (78°F). Precipitation is also more pronounced in July, with 107 mm (4.2 in) over 16 days compared to September's 82 mm (3.2 in) across 14 days. Despite the slight difference in humidity, which is similar in both months, the overall climate in July offers a warmer and wetter experience. For more detailed insights, you can explore Les Deux Alpes weather in July.
In comparing the weather of September to August, September presents notably cooler temperatures, with a minimum of -13°C (9°F) and an average of 9°C (48°F), while August enjoys milder conditions, featuring a minimum of 1°C (34°F) and an average of 13°C (55°F). The maximum temperatures in September reach up to 20°C (68°F), which is significantly lower than August's peak of 24°C (75°F). Additionally, September experiences a slight decrease in precipitation, averaging 82 mm (3.2 in) over 14 days, compared to August's 110 mm (4.3 in) during the same number of days. Interestingly, September also has a higher humidity level at 73%, compared to 63% in August. For more details on August weather, visit Les Deux Alpes weather in August.
In September, temperatures in Les Deux Alpes range from a chilly -13°C (9°F) at night to a mild 20°C (68°F) during the day, with an average temperature of 9°C (48°F). The month experiences around 82 mm (3.2 in) of precipitation over 14 days, with humidity levels at 73%.
In contrast, October sees a slight increase in precipitation, totaling 111 mm (4.4 in) but with rainfall occurring on only 11 days. The temperature drops further, with nighttime lows of -9°C (15°F) and daytime highs peaking at 16°C (62°F), leading to an average of just 5°C (40°F) and a notable rise in humidity to 89%. For more details on the October weather, check out Les Deux Alpes weather in October.
In September, temperatures in Les Deux Alpes experience a milder range, with averages around 9°C (48°F) and a maximum of 20°C (68°F), while winter begins to settle in with minimums dipping to -13°C (9°F). The month sees an overall precipitation of 82 mm (3.2 in) over 14 days, with humidity levels at 73%. Conversely, November ushers in much colder weather, characterized by average temperatures dropping to -2°C (28°F), with minimums falling to -22°C (-7°F) and maximums reaching only 12°C (54°F). The precipitation increases to 113 mm (4.5 in) across 13 days, bringing with it a higher humidity level of 90%. For a detailed look at the weather in November, visit Les Deux Alpes weather in November.
In September, temperatures are milder, ranging from a minimum of -13°C (9°F) to a maximum of 20°C (68°F), with an average of 9°C (48°F). The month experiences moderate precipitation of 82 mm (3.2 in) over about 14 days and relatively lower humidity at 73%. In contrast, December is significantly colder, with temperatures dropping to a minimum of -23°C (-8°F) and a maximum of only 5°C (41°F), averaging -6°C (22°F). The month sees much higher precipitation levels at 218 mm (8.6 in) across 18 days, along with increased humidity at 90%. For more detailed information, you can check Les Deux Alpes weather in December.
As September unfolds in Les Deux Alpes, the transition from the warmth of summer to the crispness of autumn begins. Visitors can expect cooler temperatures compared to the height of summer, with a notable drop in the mercury, often plunging to chilly lows that remind us winter is approaching. Rainfall becomes more frequent, with the month typically seeing a fair share of precipitation, which contributes to a lush landscape but also means being prepared for wet days. The high humidity can make it feel cooler than the actual temperature suggests. Overall, September offers a unique blend of early fall charm and refreshing mountain air, making it distinct from the warmer, drier months that precede it. For more detailed information on the seasonal conditions, check out Les Deux Alpes Climate.