Last updated: August 27, 2025
Experience the enchanting September weather in Stein am Rhein, Switzerland, where temperatures can soar to a maximum of 30°C (85°F), providing a warm backdrop for exploring this picturesque town. The average temperature hovers around a pleasant 15°C (59°F), while cool nights can drop to a refreshing 1°C (35°F). Expect some rain, with 66 mm (2.6 in) of precipitation spread across 11 days, contributing to the area's lush scenery. With a humidity level of 83%, the air feels refreshingly crisp, making September a delightful time to immerse yourself in the beauty of Stein am Rhein.
September in Stein am Rhein, Switzerland, marks a transition from the sweltering summer to the crisp embrace of autumn. As temperatures begin to dip, the month showcases a minimum temperature of 1°C (35°F), an average of 15°C (59°F), and a maximum reaching up to 30°C (85°F). This fluctuation hints at the lingering warmth of summer days while gradually introducing cooler nights. Visitors can enjoy pleasant afternoons ideal for exploring the picturesque landscapes, followed by brisk evenings perfect for cozying up. Overall, September serves as a bridge between the seasonal extremes, allowing for a delightful blend of warmth and crispness.
In September, Stein am Rhein experiences a moderate shift in precipitation, with an average of 66 mm (2.6 in) falling over 11 days. This month marks a transition from the heavier rains of May and June, which combined for a total of 222 mm (8.7 in), to a more balanced climate as autumn approaches. The rainfall in September, while significantly lower than the summer peaks, still supports the lush landscapes typical of the region. Interestingly, this month mirrors January and February in terms of precipitation frequency, suggesting a consistent pattern in seasonal rainy days. As the year progresses, the amounts fluctuate, but September's relatively mild precipitation helps to usher in the cooler, crisp weather of fall, making it a delightful time to witness the changing scenery in this picturesque Swiss town.
In September, Stein am Rhein experiences a slight rise in humidity, averaging 83%. This marks a subtle uptick from the previous month’s 80%, suggesting the lingering warmth of late summer still clings to the air. As autumn approaches, humidity levels begin to climb, hinting at the onset of cooler, wetter months ahead. This trend of increasing moisture continues into the fall, characterized by an uptick in October to 90%, showcasing the seasonal transition in this picturesque Swiss town. Overall, September serves as a bridge between the dry summer months and the damp chill of winter, offering residents and visitors a unique blend of comfortable warmth and the promise of seasonal shifts.
As autumn approaches, the September UV Index in Stein am Rhein reflects a shift from the intense summer sun, yet still presents a high exposure category with a UV Index of 6. This means that while the risk of harm from unprotected sun exposure increases, the burn time extends to 25 minutes, allowing for a bit more time outdoors compared to the peak summer months. In contrast to the intensely high values of 9 observed in June and July, September’s level encourages residents and visitors to be mindful of sun protection, especially during midday hours. As the seasons change, it’s essential to adapt your sun safety practices accordingly. For a detailed look at trends throughout the year, check out the full information at Stein am Rhein UV Index.
UV Risk Categories
September in Stein am Rhein, Switzerland, offers a delightful transition into autumn, boasting 316 hours of sunshine. This tranquil month showcases a noticeable dip from the sun-drenched days of July and August, yet it still holds onto a generous amount of light compared to the winter months ahead. As the season shifts, the sunshine hours gradually decrease, mirroring nature's rhythm. The month features a warm glow against the stunning medieval architecture and the serene backdrop of the Rhine, inviting visitors to relish the fading warmth and the vibrant colors of early fall. With each sunny hour, September captures a blend of summer's lingering vibrance and autumn's impending calm, making it a magical time to explore this charming Swiss town.
In September, Stein am Rhein, Switzerland, enjoys a notable increase in sunny weather, with a 44% chance of sunshine, making it one of the brighter months of the year. This statistic indicates a gradual rise in sun exposure from the cooler, cloudier months of January through May, where the chance hovers around 14% to 47%. While summer months like July and August offer slightly lower probabilities of sun, with around 34% to 36%, September presents an inviting transition into autumn, reminding visitors that the region’s charm shines brightly even as the days begin to shorten. Overall, September offers a delightful balance of warmth and sunlight, making it a wonderful time to explore the picturesque landscapes of Stein am Rhein.
As summer gives way to autumn in Stein am Rhein, Switzerland, September marks a transition in daylight hours, beginning the month's decline from the sun-soaked days of summer. With around 12 hours of daylight, September offers a beautiful balance, offering a warm glow as the lush scenery begins to change. Following the peak summer months of 15 hours in June through August, the gradual reduction in daylight is a gentle reminder of the approaching autumn, where evenings draw in and the ambiance subtly shifts. This trend continues as the days further shorten into October, with only 10 hours of daylight remaining. The rhythm of sunlight in Stein am Rhein not only enhances the picturesque landscape but also sets the mood for a cozy and reflective season ahead.
As September arrives in Stein am Rhein, the gentle breeze softens to an average wind speed of just 1.9 m/s (4 mph), echoing the transition into autumn. This marks a noticeable dip from the mild gusts of spring and summer, which peaked at 3.3 m/s (7 mph) in May. The month exemplifies a pattern where wind speeds tend to lower significantly as the year progresses towards winter, creating a serene backdrop perfect for leisurely strolls along the picturesque town's shores. While the winds may be lighter, they bring a crispness to the air, inviting visitors to embrace the charm and beauty of this quaint Swiss destination as the landscape begins to don its autumn hues.
Weather in Stein am Rhein varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Stein am Rhein, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures in Stein am Rhein can range from a chilly 1°C (35°F) at night to a warm 30°C (85°F) during the day, with an average of 15°C (59°F). The month typically sees about 66 mm (2.6 in) of precipitation over 11 days, accompanied by a relatively high humidity of 83%. In contrast, January brings much colder weather with temperatures dropping to a minimum of -13°C (8°F), averaging only 1°C (34°F), and peaking at 15°C (59°F). Precipitation increases slightly to 81 mm (3.2 in), also spread over 11 days, while humidity rises to 92%. For more specifics on winter conditions, you can check Stein am Rhein weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a cool minimum of 1°C (35°F) to a warm maximum of 30°C (85°F), with an average of 15°C (59°F). Despite the pleasant warmth, the month witnesses 66 mm (2.6 in) of rainfall spread over 11 days and boasts a humidity level of 83%. In stark contrast, February experiences much colder temperatures, with a minimum of -11°C (13°F) and an average of just 3°C (38°F). Even the maximum temperature peaks at a relatively mild 18°C (65°F). Precipitation is slightly lower at 63 mm (2.5 in) over the same number of days, but the humidity is higher at 89%. For a detailed look into February's conditions, visit Stein am Rhein weather in February.
September and March exhibit notable differences in weather characteristics. In September, temperatures range from a minimum of 1°C (35°F) to a comfortable maximum of 30°C (85°F), with an average temperature of 15°C (59°F) and relatively high humidity at 83%. The month also experiences around 66 mm (2.6 in) of precipitation over approximately 11 days. In contrast, March sees cooler temperatures, with a minimum of -12°C (11°F) and a maximum of 21°C (69°F), yielding an average of just 6°C (42°F). This month also has slightly more precipitation at 73 mm (2.9 in), occurring over about 14 days, and a slightly higher humidity level of 87%. For more detailed insights, you can check Stein am Rhein weather in March.
In comparing the weather of September and April, notable differences emerge in both temperature and precipitation. September enjoys warmer temperatures, with a minimum of 1°C (35°F) and an average of 15°C (59°F), peaking at 30°C (85°F). In contrast, April is cooler, starting from a minimum of -4°C (25°F) and averaging 10°C (50°F), with a high of 26°C (80°F). While September experiences slightly more rainfall at 66 mm (2.6 in) over 11 days, April has a bit less precipitation at 53 mm (2.1 in) over 9 days. Humidity levels are similar, with September at 83% and April at 84%. For more details on the specific weather conditions during April, check out Stein am Rhein weather in April.
When comparing the weather in September and May, several distinct differences emerge. September typically enjoys a wider range of temperatures, with minimums around 1°C (35°F) and maximums reaching up to 30°C (85°F), while May has slightly cooler temperatures, with minimums around -2°C (29°F) and maximums peaking at 30°C (87°F). In terms of precipitation, May sees a higher amount of rainfall at 109 mm (4.3 in) over 16 days compared to September's 66 mm (2.6 in) spread across 11 days. Additionally, while both months have high humidity, September averages at 83%, making it a bit more humid than May’s 80%. For those planning to visit during this time, you can find more detailed weather information at Stein am Rhein weather in May.
In comparing the weather of September and June, we observe significant differences in temperature and precipitation patterns. September enjoys a broader range of temperatures, with a minimum of 1°C (35°F) and a maximum of 30°C (85°F), while the average is around 15°C (59°F). This month experiences less rainfall, totaling 66 mm (2.6 in) over 11 days, and maintains a relatively high humidity level of 83%.
In contrast, June typically has warmer temperatures, with a minimum of 6°C (44°F), an average of 18°C (65°F), and a maximum of 34°C (93°F). However, it sees more precipitation, totaling 113 mm (4.5 in) spread over 13 days, while the humidity is slightly lower at 82%. For a more detailed look, you can check Stein am Rhein weather in June.
When comparing the weather in September to that in July, notable differences emerge. September experiences a broader temperature range, with minimums dropping to 1°C (35°F) and maximums reaching up to 30°C (85°F), while July maintains milder nights with temperatures not falling below 7°C (45°F) and peaking at 36°C (97°F). Additionally, July receives more precipitation (76 mm) over a greater number of days (14), compared to September's 66 mm across 11 days. Both months share the same humidity level of 83%, creating a consistently humid atmosphere. For more detailed insights, you can refer to Stein am Rhein weather in July.
In comparing the weather patterns of September and August, it's clear that September experiences a notable decline in temperature, with minimums dropping to 1°C (35°F) and averages sitting at 15°C (59°F), compared to August's milder temperatures that range from a minimum of 7°C (44°F) and an average of 19°C (67°F). While August showcases higher maximum temperatures, peaking at 35°C (96°F), September presents a cap of 30°C (85°F). Precipitation levels are also significant, with September receiving 66 mm (2.6 in) over 11 days, which is less than August's 102 mm (4.0 in) spread over 13 days. Humidity remains relatively high in both months, with September at 83% and August slightly lower at 80%. For further details, you can visit Stein am Rhein weather in August.
As September transitions into October, the weather begins to shift noticeably. September boasts a wider temperature range, with minimums around 1°C (35°F) and maximums reaching up to 30°C (85°F), resulting in an average of 15°C (59°F). In contrast, October experiences a cooler climate, with temperatures dropping to a minimum of -1°C (30°F) and an average of just 10°C (50°F), capping at a mild 23°C (73°F). Additionally, precipitation increases slightly from 66 mm (2.6 in) over 11 days in September to 78 mm (3.1 in) over 12 days in October, and humidity levels rise from 83% to a higher 90%. For more details on October weather specifics, visit Stein am Rhein weather in October.
In September, the weather is generally warmer with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 30°C (85°F) and an average of 15°C (59°F). The month experiences about 66 mm (2.6 in) of precipitation over 11 days, with humidity at 83%. In contrast, November brings cooler temperatures, with a minimum of -3°C (27°F), an average of 4°C (40°F), and a maximum of 19°C (67°F). Although it has slightly less precipitation at 54 mm (2.1 in), November maintains a high humidity level of 88%. For more detailed information about the weather in November, you can visit Stein am Rhein weather in November.
September weather is characterized by a mild range of temperatures, with a minimum of 1°C (35°F) and a maximum of 30°C (85°F), averaging around 15°C (59°F). This month experiences moderate precipitation, totaling 66 mm (2.6 in) over about 11 days, combined with a relatively comfortable humidity level of 83%. In contrast, December brings significantly colder temperatures, with lows reaching -6°C (21°F) and highs peaking at only 13°C (56°F), averaging just 2°C (36°F). Precipitation increases to 103 mm (4.1 in) spread over 17 days, and humidity rises to 90%, contributing to a damp and chilly atmosphere. For more detailed information on December weather, check out Stein am Rhein weather in December.
September in Stein am Rhein heralds a delightful transition, where the lingering warmth of summer meets the crispness of approaching autumn. With temperatures varying significantly, from the pleasant highs that can still reach 30°C (85°F) to cooler nights dipping down to 1°C (35°F), it's a month of contrasts. While the average temperature comfortably settles around 15°C (59°F), it is also a time when rainfall is more frequent, with approximately 11 days experiencing light showers contributing to a total of 66 mm (2.6 in). This increase in humidity at 83% amplifies the freshness in the air, setting September apart from the drier and hotter summer months. For those curious about the full spectrum of weather throughout the year, exploring the Stein am Rhein Climate can provide valuable insights.