Last updated: February 26, 2025
In September, Les Contamines-Montjoie showcases a dynamic climate perfect for both outdoor enthusiasts and those looking to enjoy the beauty of the Alps. With a maximum temperature reaching 21°C (70°F) and an average of 9°C (48°F), the weather fluctuates as autumn begins to settle in. The crisp mornings can plunge to a chilly -10°C (15°F), making layering essential for any adventure. However, be prepared for 85 mm (3.4 in) of precipitation across 14 days, contributing to the region's lush landscapes and vibrant colors. A humidity level of 73% adds to the enchanting atmosphere, enhancing the sensory experience of this stunning destination.
In September, Les Contamines-Montjoie experiences a notable transition in temperatures as summer gives way to autumn. With average temperatures dipping to 9°C (48°F), the village feels a refreshing chill, highlighted by a minimum of -10°C (15°F) during the nights. The days still boast a pleasant maximum of 21°C (70°F), making it an ideal time for outdoor activities amidst stunning fall foliage. This month bridges the warmth of summer, where July and August average around 13-27°C (56-81°F), while hinting at the onset of colder months ahead. As nature shifts, visitors can enjoy the invigorating climate that beautifully encapsulates the changing seasons in this picturesque alpine setting.
September in Les Contamines-Montjoie witnesses a noticeable dip in precipitation, with 85 mm (3.4 inches) of rain spread over 14 days. This marks a shift from the more rain-soaked summer months, where May leads the season with a hefty 184 mm (7.3 inches). The descending trend is evident as the village transitions into autumn, following a pattern of decreasing rainfall, peaking in winter with December's striking 279 mm (11.0 inches). While September may seem drier compared to the height of summer, it still contributes to the lush landscapes characteristic of this alpine region, setting the stage for stunning fall foliage as the weather cools.
In Les Contamines-Montjoie, September brings a refreshing shift in humidity, falling to 73% after the drier summer months. This slight rise from August's 63% marks a transition towards the wetter autumn season, aligning with the upcoming months where humidity levels increase significantly. Historically, the village experiences its highest humidity during the winter months, peaking at 91% in January, indicating a strong seasonal pattern. As the year unfolds, the gradual decline from the frosty winter's embrace to the crisp autumn air makes September a unique blend of lingering summer warmth and the encroaching chill of fall, setting the stage for the snowy charm that Les Contamines-Montjoie is known for.
In September, Les Contamines-Montjoie experiences a UV Index of 8, categorizing exposure as very high, with a burn time of just 15 minutes. This marks a gradual decline from the peak of summer's extreme levels in June, yet the risk remains significant as autumn approaches. Interestingly, following a strong summer presence, the UV Index gradually decreases, highlighting an important trend for sun safety as the days shorten. Visitors should remain cautious and consider protective measures, as even in September, the intensity of the sun can still pose risks. For further details, check out the Les Contamines-Montjoie UV Index.
UV Risk Categories
September in Les Contamines-Montjoie, France, shines brightly with approximately 329 hours of sunshine, a delightful continuation of summer that gently transitions into autumn. This month stands out as the last in a vibrant sequence, where sunshine hours peaked in July at 423 hours, creating a warm atmosphere for outdoor adventures. While September experiences a slight dip from August's 393 hours, it remains significantly above the yearly average, hinting at the lingering warmth of summer. As we embrace the beauty of early fall, the steady decline in daylight becomes evident, but September’s radiant days still invite exploration of this picturesque alpine destination.
In Les Contamines-Montjoie, the likelihood of enjoying sunny weather in September stands at a moderate 31%. This marks a slight decline from the peak summer months, particularly August, which experiences a higher chance of sunshine at 41%. Observing the year as a whole, September aligns more closely with the generally overcast early fall period, though it still offers more potential sun than the preceding months of May and June. Interestingly, as the year progresses into autumn, the chance of sunshine tends to rebound in October, reaching 45%. Overall, while September may not be the sunniest month, it still holds promise for those hoping to bask in the French alpine landscape.
As summer transitions into autumn, September in Les Contamines-Montjoie offers a gentle decline in daylight hours, with the sun shining for 12 hours each day. This marks a notable shift from the peak brightness of July and June, where daylight reached 15 hours. In previous months, the gradual increase in sunlight fostered vibrant outdoor activities, with daylight peaking in the heart of summer. As September unfolds, the slight reduction signals the approach of autumn, hinting at cozy evenings and the stunning fall colors that envelop the landscape. This seasonal dance continues as the days grow shorter, paving the way for the tranquil ambiance of cooler months ahead.
As September arrives in Les Contamines-Montjoie, France, the gentle caress of the wind begins to whisper change, with average wind speeds dropping slightly to 1.0 m/s (2 mph). This marks the beginning of a trend where the breezy momentum seen in the summer months starts to wane, creating a serene backdrop for the vibrant autumn hues. Throughout the year, wind speeds maintain a steady rhythm, hovering around 1.1 to 1.4 m/s (2 to 3 mph) for most months. However, September’s notably calmer air invites a tranquil atmosphere, perfect for reflection amidst nature’s beautiful transformation. As the season shifts, the lower winds complement the crisp air and stunning landscapes, providing a peaceful respite before the chill of October settles in.
The weather in Les Contamines-Montjoie 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 Contamines-Montjoie and find detailed weather information for every month.
September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of -10°C (15°F) to a pleasant maximum of 21°C (70°F), with an average of 9°C (48°F). The month experiences around 85 mm (3.4 in) of precipitation over 14 days and a humidity level of 73%. In contrast, January is much colder, with temperatures plunging to a minimum of -26°C (-15°F) and peaking at only 7°C (44°F), averaging -9°C (17°F). This winter month sees significantly higher precipitation at 168 mm (6.6 in), albeit spread over just 10 days, with much higher humidity levels at 91%. For those looking for more detailed information, check out Les Contamines-Montjoie weather in January.
September and February exhibit stark contrasts in weather conditions. In September, temperatures range from a chilly minimum of -10°C (15°F) to a more comfortable maximum of 21°C (70°F), with an average of 9°C (48°F). The month sees moderate precipitation at 85 mm (3.4 in) over 14 days, accompanied by a humidity level of 73%. In contrast, February plunges into much colder territory, with temperatures dropping to a minimum of -22°C (-8°F) and a maximum of only 10°C (50°F), averaging -5°C (24°F). Precipitation increases to 128 mm (5.0 in) across 12 days, coupled with higher humidity at 87%. For more detailed insights, check out Les Contamines-Montjoie weather in February.
When comparing the weather in September and March, there are notable differences in temperature and precipitation patterns. September typically features mild conditions with an average temperature of 9°C (48°F) and maximums reaching up to 21°C (70°F), alongside a moderate precipitation level of 85 mm (3.4 in) spread over 14 days. In contrast, March experiences colder temperatures, with an average of -2°C (28°F) and maximums only reaching 13°C (55°F), while facing significantly higher precipitation at 161 mm (6.3 in) over 15 days. Additionally, humidity is higher in March at 84%, compared to 73% in September, contributing to a starkly different feel to the two months. For more detailed insights, you can check Les Contamines-Montjoie weather in March.
In comparing the weather of September and April, September tends to be milder, with average temperatures around 9°C (48°F), fluctuating between a minimum of -10°C (15°F) and a maximum of 21°C (70°F). Humidity is a comfortable 73%, and the month sees about 85 mm (3.4 in) of precipitation over approximately 14 days. In contrast, April is noticeably colder, with an average temperature of just 2°C (35°F) that ranges from a minimum of -17°C (2°F) to a maximum of 15°C (59°F). The humidity is slightly higher at 83%, and while the precipitation is lower at 73 mm (2.9 in), it occurs over 11 days. For more details on April weather, check Les Contamines-Montjoie weather in April.
When comparing the weather in September and May, we see notable differences despite similar maximum temperatures. September boasts a more moderate average temperature of 9°C (48°F), with minimums around -10°C (15°F) and a maximum of 21°C (70°F). In contrast, May experiences slightly cooler conditions on average, with temperatures ranging from a minimum of -14°C (7°F) to a maximum of 21°C (71°F).
Precipitation levels also vary significantly, with September receiving 85 mm (3.4 in) of rain over approximately 14 days, while May sees a higher total of 184 mm (7.3 in) across 21 days. This results in increased humidity in May at 78% compared to September's 73%. For more detailed insights about the weather in May, you can check Les Contamines-Montjoie weather in May.
In September, temperatures range from a chilly -10°C (15°F) to a mild maximum of 21°C (70°F), with an average temperature of 9°C (48°F). The month experiences 85 mm (3.4 in) of precipitation spread over 14 days, alongside a humidity level of 73%. In contrast, June offers warmer conditions with minimum temperatures around -3°C (26°F) and a peak of 26°C (80°F), averaging 11°C (52°F). Precipitation is slightly higher at 122 mm (4.8 in) over 17 days, coupled with a humidity level of 75%. This indicates that while both months experience rainfall, June is generally warmer and sees more precipitation. For more details about the June weather specifics, check out Les Contamines-Montjoie weather in June.
The weather in September shows a marked transition from the warmth of July. With minimum temperatures dropping to -10°C (15°F) and an average of 9°C (48°F), September is considerably cooler. In contrast, July experiences milder temperatures, ranging from a minimum of 1°C (34°F) to a maximum of 27°C (81°F), creating a much warmer environment for outdoor activities. Precipitation is relatively high in both months, with September receiving 85 mm (3.4 in) over 14 days and July slightly wetter with 112 mm (4.4 in) over 17 days. Humidity levels remain similar, at 73% in September and 72% in July. For more specific insights into July's climate, check out Les Contamines-Montjoie weather in July.
In comparing the weather of September and August, it is clear that September tends to be cooler overall, with minimum temperatures dropping to -10°C (15°F) and an average of 9°C (48°F), compared to August's milder minimum of 2°C (35°F) and an average of 13°C (55°F). While August experiences slightly higher maximum temperatures, reaching 25°C (77°F), September peaks at a more moderate 21°C (70°F). Precipitation levels also differ, with September recording 85 mm (3.4 in) over 14 days and August having a bit more at 108 mm (4.2 in) over 15 days. Additionally, September's humidity is higher at 73%, compared to August's 63%. For a more detailed look at the weather during August, you can refer to Les Contamines-Montjoie weather in August.
In comparing the weather between September and October, we see a notable decrease in average temperatures, dropping from 9°C (48°F) in September to 5°C (40°F) in October. While September features a maximum of 21°C (70°F), October's high is slightly cooler at 17°C (62°F). Precipitation also increases in October, with 117 mm (4.6 in) of rain over 13 days, compared to September's 85 mm (3.4 in) across 14 days. Humidity rises as well, from 73% in September to 89% in October, indicating a generally wetter and cooler atmosphere as autumn deepens. For more specific insights, check out Les Contamines-Montjoie weather in October.
In September, weather conditions are generally milder with temperatures ranging from a minimum of -10°C (15°F) to a maximum of 21°C (70°F) and an average of 9°C (48°F). The month sees about 85 mm (3.4 in) of precipitation over approximately 14 days and a relative humidity of 73%. In contrast, November brings cooler temperatures, with a minimum of -20°C (-4°F) and a maximum of 14°C (57°F), resulting in an average temperature of -2°C (29°F). This month also experiences increased precipitation, totaling 113 mm (4.4 in) across 13 days, along with higher humidity levels reaching 90%. For more detailed information, check out Les Contamines-Montjoie weather in November.
In September, the weather is notably milder with temperatures ranging from a minimum of -10°C (15°F) to a comfortable maximum of 21°C (70°F), averaging around 9°C (48°F). The month sees about 85 mm (3.4 in) of precipitation spread over 14 days, accompanied by a relative humidity of 73%. In stark contrast, December brings much colder temperatures, with lows plummeting to -22°C (-8°F) and an average temperature of -7°C (20°F). The maximum temperature reaches only 6°C (44°F), and the precipitation significantly increases to 279 mm (11.0 in) over 18 days, while humidity rises to a chilly 90%. For more detailed insights on December weather, visit Les Contamines-Montjoie weather in December.
September in Les Contamines-Montjoie marks a transition from the warmth of summer to the crispness of autumn. With milder temperatures compared to the sweltering highs of July and August, this month offers a refreshing coolness that many find invigorating. The increased precipitation—with about half the days experiencing rain—adds to the season's charm, nurturing the vibrant landscapes that define this picturesque region. However, as temperatures can drop significantly at night, the cool evenings remind us that winter is just around the corner. For those seeking to explore the stunning natural beauty of the area, September provides a unique blend of comfortable hiking conditions and breathtaking fall foliage. Discover more about this enchanting destination by visiting Les Contamines-Montjoie Climate.