September Weather in Valmeinier, France

Last updated: February 26, 2025

In September, Valmeinier, France experiences a distinctive shift in weather as summer transitions to autumn. With maximum temperatures reaching 21°C (69°F) and an average of 9°C (49°F), the days are pleasantly cool, ideal for outdoor activities. However, temperatures can dip to a chilling minimum of -10°C (15°F), especially in the evenings. The region sees a moderate precipitation amount of 78 mm (3.1 in) over 13 days, contributing to a humidity level of 73%, which creates a refreshing atmosphere. This dynamic weather pattern makes September an intriguing time to explore the stunning landscapes of Valmeinier, where seasonal changes paint the scenery in vibrant hues.

September Temperature in Valmeinier

In September, Valmeinier experiences a shift in temperatures as summer gracefully transitions to autumn. The average temperature hovers around 9°C (49°F), with daytime highs reaching a comfortable 21°C (69°F), inviting outdoor adventures amidst the stunning alpine scenery. Overnight, temperatures dip to a chilly -10°C (15°F), hinting at the impending winter chill. This month stands out as a blend of moderate warmth and crisp freshness, offering visitors a unique opportunity to enjoy the beauty of changing leaves against the backdrop of the mountains. As the summer warmth dwindles, September provides a refreshing escape, making it an ideal time for hiking and exploring the landscape before the snow blankets the region.

September Weather in Valmeinier: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Valmeinier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec192529354252565648412922
Data source: Temperature data for Valmeinier generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Valmeinier

In September, Valmeinier, France experiences a noticeable shift in precipitation, with an average of 78 mm (3.1 in) spread over 13 days. This marks a decrease compared to the summer months, reflecting the transition from the wetter early season, particularly May's peak of 172 mm (6.8 in). As autumn approaches, rainfall becomes less frequent, yet it remains integral to the landscape's lushness. This trend continues into October, where precipitation slightly increases to 108 mm (4.2 in), hinting at the arrival of the more substantial rainfall typical of winter months. Overall, September captures this delicate balance of diminishing summer rains while paving the way for more dramatic shifts in weather as the year progresses.

September Precipitation Trends in Valmeinier

The chart displays monthly precipitation patterns in Valmeinier, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec124971368317214410910578108114217
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Valmeinier

In September, Valmeinier, France experiences a humidity level of 73%, marking a slight increase from the drier summer months. As the peak summer humidity drops to a comfortable 63% in August, September signals a gradual transition towards the wetter autumn season, as indicated by the rising figures. The humidity levels this month are reflective of the softening air as temperatures start to cool, foreshadowing the return to the higher humidity often felt in the upcoming fall and winter months, where October sees a notable jump to 89%. Overall, the trend reveals Valmeinier's shift from the basking summer sunshine to the crisp, refreshing embrace of autumn, with September serving as a bridge between the two.

September Average Humidity in Valmeinier

This chart illustrates the average monthly humidity levels in Valmeinier, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Valmeinier

In September, Valmeinier, France experiences a UV Index of 8, categorizing it as very high, with a burn time of just 15 minutes for unprotected skin. This signals a shift from the extreme UV conditions of July and June, yet still calls for caution during outdoor activities, especially in the sparkling alpine sun. The trend from spring to fall indicates a peak in UV intensity during the summer months, gradually tapering into autumn, but still necessitating sun protection. For detailed insights on UV exposure throughout the year, check out Valmeinier UV Index.

Maximum UV Index Levels in Valmeinier for September

The chart shows the monthly maximum UV Index (UVI) for Valmeinier in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098632
Data source: Valmeinier September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Valmeinier

September in Valmeinier, France, offers a delightful transition as summer begins to wane, showcasing 337 hours of sunshine. This marks a significant drop from the sun-soaked months of July and August, which boast 431 and 399 hours respectively. However, September still glows with ample sunlight, providing a stunning backdrop for outdoor adventures amidst the picturesque Alpine scenery. As the days grow shorter and the vibrant autumn foliage begins to unfold, the charm of Valmeinier is palpable, captivating visitors who revel in the crisp air and the lingering warmth of late summer. This month stands as a gentle reminder of nature’s cyclical beauty, as the valley gracefully shifts from its lively summer aura to the serene embrace of autumn.

Monthly Sunshine Duration in Valmeinier: September Highlighted

The September sunshine duration represents the total number of hours Valmeinier experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec187h246h318h342h375h401h431h399h337h294h228h222h
Data source: Valmeinier September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Valmeinier During September

In Valmeinier, France, the likelihood of enjoying sunny weather fluctuates throughout the year, with September offering a 32% chance of sunshine. This figure reflects a moderate trend, following the peak of summer where August boasts a striking 49% chance of sun. Interestingly, September's sunshine probability sits slightly above the month of May at 31%, yet lower than the spring months of March (45%) and April (40%). As the weather begins to transition into autumn, the sunshine percentages rise again in October (42%), indicating that while September may not be the sunniest month, it retains a fair chance for those keen on enjoying outdoor activities amidst the stunning mountain scenery.

Percentage of Sunny Days in September in Valmeinier

The chart illustrates the percentage of sunny days in Valmeinier throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Valmeinier experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%39%46%40%31%29%34%49%32%42%33%43%
Data source: Valmeinier September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Valmeinier in September

As summer fades, September in Valmeinier, France ushers in a gentle transition with 12 hours of daylight, marking a notable shift from the peak of summer, where the sun graced the skies for up to 15 hours in June and July. This gradual decrease highlights the progression toward autumn, as daylight hours consistently decline from the blissful brightness of May and June through to the winter months. With each passing week, the days shorten, echoing nature's rhythm, and inviting a cozy embrace of the season's changes. The lingering warmth of summer is still present, but as September unfolds, it unmistakably signals the approach of the crisp, shorter days of fall ahead.

Average Daylight Hours in Valmeinier for September

The chart illustrates the variation in daylight duration in Valmeinier throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 10m10h 23m11h 56m13h 31m14h 52m15h 34m15h 12m14h12h 28m10h 54m9h 30m8h 47m
Data source: Valmeinier daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Valmeinier

As September settles in Valmeinier, France, the winds begin to whisper a gentle lullaby, with an average speed of 1.1 m/s (2 mph). This slight drop marks a transition from the summer breezes, which hovered around 1.2 m/s (3 mph) in the previous months. The tail end of summer brings a noticeable serenity to the alpine air, offering a contrast to the winter months ahead when winds pick up again, reaching up to 1.4 m/s (3 mph). Overall, the trend exhibits a subtle shift towards calmer conditions, encouraging visitors to relish in the tranquil beauty of the mountains as they prepare for the seasonal changes to come.

Average September Wind Speed in Valmeinier

The chart displays monthly wind speed patterns in Valmeinier, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.41.21.11.31.11.21.21.1 m/s1.31.31.4
Data source: Valmeinier September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Valmeinier Compares to Other Months

The weather in Valmeinier 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 Valmeinier and find detailed weather information for every month.

In September, the weather in Valmeinier is milder, with temperatures ranging from a chilly -10°C (15°F) at night to a comfortable 21°C (69°F) during the day, and an average of 9°C (49°F). The month sees about 78 mm of precipitation over 13 days, with a relatively lower humidity of 73%. In contrast, January experiences much colder conditions, with nighttime lows plunging to -24°C (-11°F) and daytime highs only reaching up to 6°C (43°F), averaging -7°C (19°F). Precipitation is higher at 124 mm over 10 days, coupled with higher humidity levels of 91%, creating a distinctly wintry atmosphere. For more details on the January weather, you can check out Valmeinier weather in January.

Comparing the weather in September and February reveals stark contrasts. September typically offers milder temperatures with a minimum of -10°C (15°F) and an average of 9°C (49°F), peaking at a comfortable 21°C (69°F). The month sees about 78 mm (3.1 in) of precipitation over 13 days and a humidity level of 73%. In contrast, February is much colder, with temperatures ranging from a minimum of -21°C (-5°F) to an average of -4°C (26°F), and a maximum of only 10°C (50°F). This month experiences slightly higher precipitation at 97 mm (3.8 in) over 12 days, combined with increased humidity at 87%. For more details on the chilly conditions, you can check Valmeinier weather in February.

In comparing the weather of September and March, one can observe significant differences in temperature and precipitation patterns. September typically sees milder conditions with average temperatures ranging from a minimum of -10°C (15°F) to a maximum of 21°C (69°F), accompanied by 78 mm (3.1 in) of precipitation over 13 days. In contrast, March experiences colder temperatures, with averages ranging from -22°C (-8°F) to a maximum of 12°C (54°F) and higher precipitation levels of 136 mm (5.4 in) across 15 days. The humidity also increases in March to 84%, compared to 73% in September. For more information on the weather during this time, refer to Valmeinier weather in March.

In comparing the weather of September and April, we notice distinct differences and similarities. September generally presents a milder climate with average temperatures around 9°C (49°F), ranging from a minimum of -10°C (15°F) to a maximum of 21°C (69°F). In contrast, April experiences cooler temperatures, with an average of 2°C (35°F), reaching from a minimum of -15°C (5°F) to a maximum of 14°C (58°F).

While both months have comparable precipitation levels—September at 78 mm (3.1 in) and April slightly higher at 83 mm (3.3 in)—September has one more day of rain, totaling 13 rainy days compared to April's 12. Humidity also varies, with April being slightly more humid at 83% compared to September's 73%. For a detailed look at April weather patterns, you can check Valmeinier weather in April.

In comparing the weather of September and May, we can see notable differences in temperature and precipitation. September tends to be slightly warmer, with average temperatures around 9°C (49°F) and maximums reaching 21°C (69°F), while May has a lower average of 6°C (42°F) and similar maximums of 21°C (70°F). However, May experiences significantly more rainfall, with 172 mm (6.8 in) spread over 21 days compared to September's 78 mm (3.1 in) over just 13 days. Humidity levels are also higher in May at 78%, compared to September's 73%. For more detailed insights, you can check out Valmeinier weather in May.

In comparing the weather of September and June, we see notable differences in temperature and precipitation. September experiences cooler temperatures, with a minimum of -10°C (15°F) and an average of 9°C (49°F), while June enjoys milder conditions, with a minimum of -1°C (30°F) and an average of 11°C (52°F). Rainfall is more prevalent in June, totaling 144 mm (5.7 in) over 19 days compared to September's 78 mm (3.1 in) over 13 days. Humidity levels remain relatively similar, with September at 73% and June slightly higher at 75%. For a detailed look at the June weather in Valmeinier, you can visit Valmeinier weather in June.

In comparing the weather between September and July, we can observe notable differences in temperature and precipitation. September experiences cooler temperatures, with a minimum of -10°C (15°F) and an average of 9°C (49°F), peaking at 21°C (69°F). In contrast, July enjoys warmer conditions, with temperatures ranging from a minimum of 2°C (36°F), an average of 13°C (56°F), to a maximum of 26°C (80°F). Precipitation is also higher in July, totaling 109 mm (4.3 in) over 16 days, compared to September's 78 mm (3.1 in) spread across 13 days. Despite July's increased rainfall, the humidity levels are quite similar, hovering around 73% in September and 72% in July. For more detailed information, check out Valmeinier weather in July.

In comparing the weather of September to August, we see a notable drop in temperatures as September averages around 9°C (49°F) compared to August's warmer average of 13°C (56°F). The maximum temperature in September reaches 21°C (69°F), which is cooler than August's high of 25°C (77°F). Both months experience precipitation, with September receiving 78 mm (3.1 in) over 13 days, while August sees a higher total of 105 mm (4.1 in) over 14 days. Additionally, September has a higher humidity level at 73% compared to August's 63%. For more detailed information, you can check Valmeinier weather in August.

In September, temperatures in Valmeinier ranged from a minimum of -10°C (15°F) to an average of 9°C (49°F) and peaked at 21°C (69°F). The month experienced a total precipitation of 78 mm (3.1 in) over 13 days, with humidity levels around 73%. In contrast, October sees a slight drop in average temperature, with a minimum still at -10°C (15°F) and an average of 5°C (41°F), reaching a maximum of 17°C (63°F). Notably, October experiences increased precipitation, totaling 108 mm (4.2 in) over 12 days, and higher humidity at 89%. For more detailed weather insights, refer to Valmeinier weather in October.

September and November present notably different weather conditions. In September, temperatures range from a mild minimum of -10°C (15°F) to a comfortable maximum of 21°C (69°F), with an average of 9°C (49°F). The month sees about 78 mm (3.1 in) of precipitation over 13 days, accompanied by a humidity level of 73%. In contrast, November introduces colder temperatures, with a minimum dropping to -21°C (-5°F) and a maximum of only 14°C (57°F), averaging at -2°C (29°F). This month experiences increased precipitation at 114 mm (4.5 in) over 14 days, along with higher humidity at 90%. For a detailed look at the weather patterns specific to November, you can visit Valmeinier weather in November.

September and December present stark contrasts in weather. In September, temperatures range from a minimum of -10°C (15°F) to a comfortable maximum of 21°C (69°F), with an average of 9°C (49°F). This month experiences about 78 mm (3.1 in) of precipitation over 13 days, accompanied by a moderate humidity level of 73%. In contrast, December's chill sets in with temperatures plummeting to as low as -21°C (-5°F) and averaging -6°C (22°F), peaking at only 5°C (42°F). The month is much wetter, seeing 217 mm (8.5 in) of precipitation across 17 days and a higher humidity of 90%. For those curious about specific weather patterns in December, check out Valmeinier weather in December.

Compare Valmeinier's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Valmeinier

September in Valmeinier offers a distinct transition from the warmth of summer to the crispness of autumn. With temperatures averaging a brisk 9°C and occasionally dipping as low as -10°C, visitors experience a refreshing change that invigorates the senses. While the month sees about 78 mm of rainfall over 13 days, the lush, vibrant landscapes come to life under the cooler, moisture-laden atmosphere. Humidity levels hover around 73%, enhancing the feeling of freshness that sets September apart from the warmer summer months. This delightful shift in weather not only beckons outdoor enthusiasts but also provides a unique opportunity to appreciate the stunning beauty of Valmeinier's natural surroundings. For more insights into what to expect throughout the year, explore the detailed Valmeinier Climate.