Last updated: August 27, 2025
Experience the charm of Yverdon-les-Bains in September, where the weather offers a delightful blend of warmth and freshness. With maximum temperatures reaching 29°C (84°F), the month enjoys an inviting average of 16°C (60°F), while the cooler evenings dip down to a minimum of 6°C (42°F). However, prepare for the occasional rain, as 68 mm (2.7 in) of precipitation falls over 10 days, contributing to the region's lush greenery. Expect a humidity level of 81%, creating a refreshing atmosphere perfect for exploring this picturesque Swiss town.
In September, Yverdon-les-Bains begins to shake off the lingering warmth of summer, transitioning into the crisp embrace of autumn. With temperatures ranging from a mild 6°C (42°F) at night to a pleasant 29°C (84°F) during the day, this month offers a delightful balance. The average temperature settles around 16°C (60°F), making it an ideal time for outdoor activities and enjoying the picturesque landscapes. As the month progresses, visitors can expect the days to gradually cool down, setting the stage for the stunning fall foliage that the region is known for. This shift not only enhances the natural beauty but also provides a refreshing retreat for those seeking to escape the heat of summer.
In September, Yverdon-les-Bains experiences a noticeable decline in precipitation, with an average of 68 mm (2.7 in) falling over just 10 days. This drop marks the end of the summer rains, contrasting sharply with the wetter months that precede it. While the earlier summer months, such as May and June, bring higher levels of rainfall, September's milder climate suggests a transition into drier autumn conditions. As the vestiges of summer fade, the region gradually prepares for the wetter, chillier months ahead—evident in the impending increases in precipitation seen in October and November. This seasonal shift serves as a reminder of the cyclical nature of Yverdon-les-Bains' climate, inviting residents and visitors alike to enjoy the tranquil beauty of early autumn.
In September, Yverdon-les-Bains experiences a moderate humidity level of 81%, reflecting a subtle recovery from the drier summer months. This slight increase marks a shift from August's lower humidity of 77%, as the region transitions into the brisk autumn season. Overall, the humidity in September remains steadier compared to the summer months, aligning closer to the averages observed in the spring, with levels gradually rising again into the autumn and winter, where figures peak at 91% in January and December. This pattern suggests a clear seasonal rhythm, with humidity levels naturally oscillating as the year progresses.
As September arrives in Yverdon-les-Bains, Switzerland, residents and visitors experience a notable decline in UV intensity, with the UV Index settling at 6. This high exposure category means that while the risk of harm from unprotected sun exposure is present, individuals can comfortably enjoy outdoor activities with proper precautions. The burn time stretches back to 25 minutes, offering a bit more leeway compared to the preceding months of intense sun. Following the peak summer months of August, which boasted a very high UV Index of 8, September's sun transitions into a more manageable strength, signaling the approach of autumn while still reminding everyone to stay sun-safe. For more details, check out the comprehensive Yverdon-les-Bains UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September in Yverdon-les-Bains offers a delightful farewell to the sun. With 330 hours of glorious sunshine, the month stands out as a vibrant period, boasting plenty of warmth before the cooler months set in. This falls just below the sunniest summer months of June and July, which shine with impressive totals of 397 and 417 hours respectively. The lingering sunlight in September not only envelops the town in a golden aura but also presents a perfect backdrop for outdoor activities, as the day gradually shortens and the crisp autumn air beckons. The trend of decreasing sunshine hours continues into October and November, marking September as a golden bridge from the lively summer to the tranquil autumn, making it an ideal time to soak in the last bits of warmth and light.
In Yverdon-les-Bains, Switzerland, the chances of enjoying sunny weather in September stand at 36%, a modest but promising figure as the summer months draw to a close. This percentage reflects a slight dip compared to the warmer months like July and August, which boast sun probabilities of 37% and 40%, respectively. However, September still maintains a higher likelihood of sunshine than the cooler months ahead, such as October and November, where sunny days decrease to 33% and 25%. This transitional month offers a golden opportunity for outdoor enthusiasts, as the lingering warmth of summer meets the crispness of autumn, providing a delightful backdrop for both relaxation and adventure.
As summer gently yields to autumn, September in Yverdon-les-Bains, Switzerland, brings a delightful balance with 12 hours of daylight. Following the peak of summer, which basks in 15 hours of sunlight in June, July, and August, September marks a gradual transition towards shorter days. This month reflects a distinct yet smooth decline from the vibrant summer glow, echoing nature's rhythm as it prepares for winter. While the days grow shorter, the serene ambiance of early autumn envelops the landscape, offering a perfect backdrop for enjoying the last warm days of the year before daylight reduces further to 10 hours in October.
As the seasons transition in Yverdon-les-Bains, September brings with it gentler breezes, with an average wind speed of just 1.5 m/s (3 mph)—the lowest of the year. This marks a notable decline from the earlier months, where winds typically reached 2.2 to 2.4 m/s during the spring. The calming winds of September invite a tranquil atmosphere, differentiating it from the more vigorous gusts of late winter and spring. As the fall approaches, residents and visitors alike may find comfort in the soft caress of the breeze, a stark contrast to the lively winds of previous months, signaling the gradual shift towards the crispness of autumn.
Weather in Yverdon-les-Bains varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yverdon-les-Bains, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, Yverdon-les-Bains experiences milder weather, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 29°C (84°F), and an average temperature of 16°C (60°F). The month sees about 68 mm (2.7 in) of precipitation over roughly 10 days, with humidity averaging around 81%. In contrast, January brings much colder temperatures, with a minimum of -8°C (17°F) and a maximum of 15°C (59°F), averaging just 2°C (36°F). This month is wetter, receiving approximately 99 mm (3.9 in) of precipitation over 11 days, and slightly higher humidity at 91%. For a more detailed look at January conditions, check out Yverdon-les-Bains weather in January.
In September, the weather is generally milder, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 29°C (84°F), averaging around 16°C (60°F). The month experiences 68 mm (2.7 in) of precipitation over about 10 days, accompanied by a humidity level of 81%. In contrast, February brings much colder conditions, with temperatures dipping as low as -11°C (13°F) and only reaching a maximum of 17°C (63°F), averaging around 4°C (39°F). This month sees slightly more precipitation at 81 mm (3.2 in) over 11 days, with humidity rising to 89%. For a detailed overview of February weather, you can visit Yverdon-les-Bains weather in February.
Comparing the weather in September and March reveals notable differences. September enjoys a milder average temperature of 16°C (60°F), with highs reaching up to 29°C (84°F), making it a warm transitional month. In contrast, March experiences a much cooler climate, with an average temperature of only 6°C (43°F) and minimums dropping to -10°C (13°F). Precipitation levels are also higher in March, totaling 107 mm (4.2 in) over 14 days, compared to September's 68 mm (2.7 in) over 10 days. Additionally, humidity is slightly higher in March at 87%, compared to September's 81%. For more details on weather conditions during this time, check out Yverdon-les-Bains weather in March.
September and April present contrasting weather experiences, characterized by their unique temperatures and precipitation levels. In September, temperatures range from a mild 6°C (42°F) to a warm maximum of 29°C (84°F), boasting an average of 16°C (60°F). The month sees a higher humidity level of 81% and more rainfall, totaling 68 mm (2.7 in) over about 10 days. In contrast, April enjoys cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 25°C (77°F), but an average of only 10°C (49°F). Although April has slightly lower precipitation at 54 mm (2.1 in) over the same number of days, it also has a marginally higher humidity of 84%. For more insights on what to expect, check out Yverdon-les-Bains weather in April.
When comparing the weather in September to that in May, notable differences emerge. September generally showcases warmer temperatures with a minimum of 6°C (42°F) and an average of 16°C (60°F), peaking at 29°C (84°F). In contrast, May tends to be cooler, featuring a minimum of 0°C (31°F) and an average of 13°C (55°F), with a maximum of 28°C (83°F). Precipitation levels also differ, with September receiving 68 mm (2.7 in) over 10 days, while May sees a higher total of 133 mm (5.2 in) across 16 days. Interestingly, both months experience high humidity levels, hovering around 81% in September and 80% in May. For more detailed insights, you can check out Yverdon-les-Bains weather in May.
September and June present quite different weather profiles. In September, temperatures range from a minimum of 6°C (42°F) to a maximum of 29°C (84°F), with an average of 16°C (60°F). This month experiences 68 mm (2.7 in) of precipitation spread over about 10 days, coupled with a humidity level of 81%. In contrast, June boasts slightly higher temperatures, with a minimum of 7°C (44°F) and a maximum reaching up to 34°C (94°F), averaging 18°C (64°F). Precipitation is more substantial in June, totaling 101 mm (4.0 in) over 16 days, and the humidity is marginally higher at 82%. For more details on June weather, visit Yverdon-les-Bains weather in June.
When comparing the weather in September and July, several notable differences emerge. September experiences a wider temperature range, with minimums dropping to 6°C (42°F) and maximums reaching up to 29°C (84°F), leading to a comfortable average of 16°C (60°F). In contrast, July sees warmer temperatures, starting at a minimum of 10°C (51°F) and soaring to a maximum of 35°C (96°F), resulting in a higher average of 20°C (67°F).
Precipitation levels also differ; September has 68 mm (2.7 in) of rain over approximately 10 days, while July has a heavier total of 103 mm (4.1 in) over 14 days. Humidity remains quite similar between the two months, with September at 81% and July slightly higher at 82%. For a deeper dive into July's weather, you can check Yverdon-les-Bains weather in July.
When comparing the weather between August and September, we see a noticeable shift in temperatures and precipitation. August boasts warmer conditions with a minimum temperature of 9°C (49°F) and an average high of 33°C (92°F), while September sees a drop with minimums reaching 6°C (42°F) and maximums capping at 29°C (84°F). While August is relatively humid at 77%, September's humidity rises to 81%, contributing to a feeling of dampness as the month progresses. Additionally, September has less precipitation than August, with 68 mm (2.7 in) over 10 days compared to August's 99 mm (3.9 in) over 13 days. For more detailed information, you can visit Yverdon-les-Bains weather in August.
September and October showcase a notable shift in weather patterns. In September, temperatures range from a minimum of 6°C (42°F) to a comfortable maximum of 29°C (84°F), with an average of 16°C (60°F). The month sees about 68 mm (2.7 in) of precipitation over approximately 10 days, accompanied by a humidity level of 81%. In contrast, October brings cooler temperatures, dipping to a minimum of 2°C (36°F) and peaking at 22°C (73°F), with an average temperature dropping to 11°C (52°F). Precipitation increases to 97 mm (3.8 in) over 12 days, and humidity rises to 89%. For more detailed insights into the weather in this month, check out Yverdon-les-Bains weather in October.
In September, the weather is generally mild, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 29°C (84°F). The average temperature sits at a comfortable 16°C (60°F), accompanied by 68 mm (2.7 in) of precipitation over about 10 days and a humidity level of 81%. Conversely, November sees a notable drop in temperature, with minimums falling to -1°C (30°F) and an average of just 6°C (43°F). Maximum temperatures are more modest, reaching up to 18°C (65°F). November also experiences increased rainfall, measuring 90 mm (3.6 in) over 14 days, with humidity rising to 89%. For more detailed information on the conditions in November, check out Yverdon-les-Bains weather in November.
In September, Yverdon-les-Bains experiences milder temperatures, with a minimum of 6°C (42°F) and an average of 16°C (60°F), peaking at a comfortable 29°C (84°F). The weather remains relatively dry, with 68 mm (2.7 in) of precipitation over about 10 days and humidity sitting at 81%. In contrast, December brings a stark change, with temperatures dropping significantly; the minimum reaches -7°C (19°F), averaging only 3°C (38°F), and a maximum of 13°C (56°F). The month is wetter, with 160 mm (6.3 in) of precipitation spread over approximately 18 days, and humidity increases to 91%, making for a much chillier and damper experience. For more details, check out Yverdon-les-Bains weather in December.
As summer fades, September in Yverdon-les-Bains ushers in a pleasant transition marked by milder temperatures and an increase in humidity, creating a refreshing atmosphere. While the days can still reach a warm 29°C, the average temperature settles into a comfortable 16°C, offering a reprieve from the summer heat. Showers are more frequent, with around 10 days of rainfall contributing to a total of 68 mm, making this month feel positively lush compared to the drier months of July and August. With an average humidity of 81%, September showcases a unique blend of summer's warmth and autumn's embrace, perfect for enjoying the stunning landscapes. To explore more about the climate specifics throughout the year, visit Yverdon-les-Bains Climate.