Last updated: August 27, 2025
September in Martigny-Ville, Switzerland offers a captivating transition into autumn, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 21°C (70°F). The average temperature settles at a cool 9°C (48°F), perfect for outdoor exploration. Visitors can expect a fair share of rain, with 91 mm (3.6 in) of precipitation spread across 14 days, contributing to the lush landscapes of the region. Additionally, humidity levels hover around 73%, creating a comfortable environment despite the occasional wet weather. Embrace the charm of early fall in this picturesque Swiss town!
As September unfolds in Martigny-Ville, Switzerland, the lingering warmth of summer begins to transition into the crispness of autumn. With temperatures ranging from a chilly -9°C (16°F) at night to a pleasant 21°C (70°F) during the day, this month offers a delightful mix of coolness and warmth. The average temperature settles around 9°C (48°F), marking a noticeable drop from the balmy summer months of July and August. As the days grow shorter, the contrast between the cool nights and mild afternoons invites outdoor exploration, making it an enchanting time to experience the stunning alpine scenery. Overall, September in Martigny-Ville sets the stage for the vibrant autumn colors that will soon blanket the landscape.
In September, Martigny-Ville experiences a noticeable shift in precipitation, with the month recording 91 mm (3.6 in) of rainfall over 14 days. This marks a decline compared to the wetter summer months of May and July, which featured substantial rainfall rates of 178 mm (7.0 in) and 147 mm (5.8 in) respectively. As autumn approaches, the precipitation not only softens but also lessens in frequency, reflecting a gradual transition towards dryer conditions. This trend signals the gradual departure from summer's more torrential downpours, setting the stage for October’s anticipated 122 mm (4.8 in), as the region prepares for the winter months ahead. Overall, September serves as a transitional month, balancing the high summer precipitation with the onset of fall's more moderate weather patterns.
In Martigny-Ville, Switzerland, September marks a subtle shift in humidity as it drops to 73%, a slight rise from the summer's lowest level of 63% in August. This transition reflects the onset of autumn, where the humidity begins to inch upward again, preparing the region for the wetter months ahead. As the landscape transforms with falling leaves, the crisp air carries a touch of moisture, reminding residents and visitors alike that winter is not far off. Observing the yearly trend, we see humidity levels peak in the winter months, particularly January through March when they hover around the 90% mark, contrasting sharply with the drier summers. This cyclical pattern highlights the mountainous region's character, balancing warm, dry spells with the rich, humid embrace of winter.
In September, Martigny-Ville experiences a UV Index of 7, categorizing it as high, and allowing for an exposure time of 25 minutes before skin damage occurs. As the summer months fade, this noticeable decrease from the peak index of 10 in July and June highlights a gradual transition into milder conditions. While late summer still brings significant sun intensity, September's index reflects a growing softness in the sun's glare, making it essential for residents and visitors to remain vigilant about sun protection. This trend of decrease continues into October, where the UV Index drops further to 5, signaling the arrival of cooler and less intense sunlight. For more detailed insights, check out the full Martigny-Ville UV Index.
UV Risk Categories
September in Martigny-Ville, Switzerland, is marked by a gentle transition as summer fades and autumn sets in, with 331 hours of sunshine illuminating the landscape. Following a summer peak in July with 422 hours, sunlight begins to wane, yet the month still embraces significantly more sunshine than the colder winter months like January and February. This trend showcases September as a vibrant time, where the tail end of summer's warmth lingers, allowing residents and visitors to relish the beauty of the changing foliage under a bright sky. As daylight hours decline leading into fall, September serves as a delightful bridge, offering ample sunshine to enjoy the outdoors before winter's chill takes hold.
In September, Martigny-Ville experiences a mild chance of sunny weather, with the sun gracing the area about 29% of the time. This marks a slight dip from the slightly brighter ratios of the previous months, notably August's 39%, yet remains consistent with the spring months of April and May at 44%. As summer transitions into autumn, September offers a blend of pleasant days, though the likelihood of sunshine is overshadowed by the increasing cloud cover typical for the season. Overall, while sunny days are fewer, the moderate sun exposure makes this month still enjoyable for outdoor activities amidst the scenic backdrop of changing leaves.
As September unfolds in Martigny-Ville, Switzerland, the days begin to shorten, with daylight lasting approximately 12 hours. This marks a gradual tapering from the bright, extended days of summer, where June and July bask in a generous 15 hours of sunlight. By August, daylight starts to wane slightly, dropping to 14 hours, signaling the transition towards autumn. The steady decrease from a peak in summer to the more subdued light of September reflects nature's rhythm, as evenings grow longer and the vibrant hues of fall begin to emerge in the landscape. As the month progresses, residents and visitors alike can enjoy the gentle golden light characteristic of this time of year before the days continue to shrink into October.
As September arrives in Martigny-Ville, Switzerland, the winds take on a gentle character, with an average speed of just 1.0 m/s (2 mph). This marks the lowest wind speed of the year, reflecting a serene transition as summer fades into autumn. Following the slight uptick in windiness during the summer months, September ushers in a calmness that is echoed in the cooler temperatures and colorful foliage. With an almost whisper-like breeze, this month invites residents and visitors alike to slow down and savor the subtle beauty of the changing season, hinting at a peaceful end to the vibrant summer days.
Weather in Martigny-Ville varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Martigny-Ville, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather in Martigny-Ville is generally mild with average temperatures around 9°C (48°F) and maximums reaching up to 21°C (70°F). This month experiences moderate precipitation of 91 mm (3.6 in) over approximately 14 days, coupled with a humidity level of 73%. In contrast, January presents a starkly colder climate, with average temperatures dropping to -9°C (17°F) and maximums only reaching 6°C (42°F). Precipitation is higher in January, totaling 146 mm (5.8 in) over just 10 days, and the humidity increases to 91%, making it feel even chillier. For a detailed look at January weather patterns in this region, visit Martigny-Ville weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of -9°C (16°F) to a pleasant maximum of 21°C (70°F), with an average of 9°C (48°F). The month sees 91 mm (3.6 in) of precipitation over 14 days and has a humidity level of 73%. In stark contrast, February experiences much colder conditions, with temperatures dipping to a minimum of -23°C (-9°F) and peaking at just 9°C (48°F), leading to an average temperature of -5°C (23°F). Precipitation rises slightly to 112 mm (4.4 in) across 11 days, accompanied by higher humidity at 87%. For a more detailed look at February weather, you can refer to Martigny-Ville weather in February.
In comparing the weather between September and March, significant differences emerge. September typically features a milder climate with average temperatures around 9°C (48°F) and a maximum of 21°C (70°F), while March is notably colder, averaging -3°C (28°F) with highs reaching only 12°C (54°F). Precipitation levels are also higher in March, with 139 mm (5.5 in) over 15 days, compared to September's 91 mm (3.6 in) across 14 days. Additionally, humidity tends to be higher in March at 84%, compared to 73% in September. For a more detailed look at March conditions, visit Martigny-Ville weather in March.
When comparing September and April weather, there is a noticeable contrast in temperatures and overall conditions. In September, the temperatures range from a minimum of -9°C (16°F) to a maximum of 21°C (70°F), with an average of 9°C (48°F). The humidity sits at 73%, and precipitation averages 91 mm (3.6 in) over 14 days. In contrast, April experiences colder temperatures, with a minimum of -18°C (1°F) and a maximum of 15°C (59°F), resulting in an average of only 1°C (35°F). The humidity is slightly higher at 83%, and total precipitation is somewhat less at 75 mm (2.9 in) over 13 days. For more detailed information, you can visit Martigny-Ville weather in April.
In September, the weather features a wider temperature range, with minimums around -9°C and averages reaching 9°C, while maximums can hit 21°C, similar to May. The month sees less precipitation, totaling 91 mm over 14 days, compared to May's 178 mm over 21 days. Despite being slightly warmer, September has lower humidity at 73%, whereas May experiences a higher humidity level of 78%. For a more detailed look into May conditions, you can visit Martigny-Ville weather in May.
September and June present distinct weather patterns. September experiences a temperature range where the minimum can drop to -9°C (16°F), while the average temperature hovers around 9°C (48°F) and peaks at 21°C (70°F). In contrast, June is milder, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 26°C (80°F), averaging 11°C (52°F). While September sees 91 mm (3.6 in) of precipitation over 14 days with humidity at 73%, June is rainier, receiving 138 mm (5.4 in) of rainfall spread over 19 days and a slightly higher humidity level of 75%. For more detailed insights into June weather, visit Martigny-Ville weather in June.
In comparing the weather between July and September, we can see notable differences in temperature and precipitation patterns. July typically boasts warmer temperatures, with a minimum of 1°C (34°F) and a maximum reaching 26°C (79°F), averaging around 13°C (55°F). In contrast, September experiences cooler conditions, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 21°C (70°F) and an average of 9°C (48°F).
Precipitation is also more pronounced in July, totaling 147 mm (5.8 in) over 18 days, compared to September's 91 mm (3.6 in) spread over 14 days. Humidity levels remain similar, with July at 72% and September slightly higher at 73%. For more detailed insights, you can visit Martigny-Ville weather in July.
In comparing the weather between August and September, we can see a notable shift in temperatures and precipitation patterns. August enjoys warmer conditions, with average temperatures peaking at 24°C (75°F) and a minimum of 1°C (34°F), while September experiences cooler weather, averaging 9°C (48°F) with a maximum of 21°C (70°F) and a minimum temperature dropping to -9°C (16°F). Precipitation is also more frequent in August, totaling 137 mm (5.4 in) over 18 days, compared to September’s 91 mm (3.6 in) across 14 days. Additionally, August has a slightly lower humidity level at 63%, whereas September sees an increase to 73%. For further details on August weather in the region, visit Martigny-Ville weather in August.
In September, the weather in Martigny-Ville features a milder average temperature of 9°C (48°F), with maximum highs reaching 21°C (70°F). However, as the month transitions into October, temperatures drop, leading to a chillier average of 4°C (40°F) and maximums peaking at 17°C (62°F). Precipitation also increases in October, totaling 122 mm (4.8 in) over 12 days, making the month wetter compared to September’s 91 mm (3.6 in) over 14 days. Notably, October sees an increase in humidity, rising to 89%, compared to September’s 73%. For a detailed look at October weather specifics, visit Martigny-Ville weather in October.
September weather presents a milder climate with an average temperature of 9°C (48°F) and daily highs reaching up to 21°C (70°F). The month sees around 91 mm (3.6 in) of precipitation over approximately 14 days, accompanied by a humidity level of 73%. In contrast, November experiences a significant drop in temperatures, averaging -2°C (28°F) and peaking at 13°C (56°F). This month tends to be wetter, with 105 mm (4.1 in) of precipitation spread over 13 days, and a higher humidity level of 90%. For a more detailed insight into November's weather patterns, you can refer to Martigny-Ville weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a chilly -9°C (16°F) at night to a pleasant 21°C (70°F) during the day, with an average of 9°C (48°F). Humidity sits at a moderate 73%, and the month experiences around 91 mm (3.6 in) of precipitation over about 14 days. In contrast, December brings much colder temperatures, with lows plummeting to -22°C (-7°F) and average highs only reaching 5°C (42°F). The average temperature drops to -7°C (20°F), and the humidity increases to 90%. December is notably wetter, with 235 mm (9.3 in) of precipitation spread over 18 days. For more detailed information, you can explore Martigny-Ville weather in December.
As September rolls into Martigny-Ville, the weather presents a gentle transition from the warm summer days to the cooler embrace of autumn. With temperatures averaging a comfortable 9°C, the month offers a refreshing change from the heat, though it can dip as low as -9°C during the chillier nights. While the region experiences about 14 days of precipitation totaling around 91 mm, it's a reminder of the shifting seasons. This increased humidity, creeping around 73%, maintains the lushness of the surrounding landscapes. Overall, September's weather is a beautiful blend of lingering warmth and early autumn coolness, setting the stage for the stunning fall scenery ahead. For a deeper understanding of what to expect year-round, check out Martigny-Ville Climate.