Last updated: August 27, 2025
September in Chur, Switzerland showcases a varied climate as the summer gives way to autumn. With maximum temperatures reaching a pleasant 21°C (70°F) and a cool average of 8°C (47°F), the month offers comfortable weather for outdoor activities. However, early autumn also brings its share of challenges, with minimum temperatures dipping to -10°C (15°F). Rainfall is not uncommon, as precipitation amounts total 136 mm (5.3 in) over approximately 15 days, contributing to a high humidity level of 83%. Embrace the crisp air and colorful foliage that this enchanting Swiss city has to offer in September!
In September, Chur, Switzerland begins to transition from summer's warmth to the crispness of autumn. With temperatures ranging from a chilly -10°C (15°F) at night to a pleasant 21°C (70°F) during the day, visitors can enjoy the best of both worlds—mild days that invite outdoor exploration and cooler evenings perfect for cozying up. This month's average temperature of 8°C (47°F) marks a notable drop from the summer highs, reflecting the emerging autumn vibes. As the leaves start to change and days shorten, September in Chur is an enchanting preview of the stunning landscapes and vibrant colors that define the Swiss fall.
In September, Chur experiences a notable uptick in rainfall, with an average precipitation of 136 mm (5.3 in) spread over 15 days. This marks a transition from the wetter months of August, where 201 mm (7.9 in) fell across 19 days, indicating a gradual tapering off as autumn approaches. The fall months typically bring more stable weather patterns, yet September remains one of the wetter months, hinting at the lingering influence of summer storms. As temperatures begin to cool, the region’s lush landscapes are nourished, setting the stage for the stunning autumn foliage that Chur is renowned for.
In September, Chur, Switzerland, experiences a noticeable humidity level of 83%, marking a slight increase from the drier months of July and August, where humidity dipped to 80%. This rise signals the approach of autumn, with moisture levels beginning to climb again as the year progresses into the wetter fall and winter months. Overall, throughout the year, the data reveals a trend of high humidity, particularly in the colder months like January and October, both peaking at 90%. Thus, the transition into September reflects a gradual return to the season's characteristic dampness that will persist into the coming months.
As September unfolds in Chur, Switzerland, the UV Index settles at a moderate level of 7, signaling a shift from the intense rays of summer. This marks a noticeable drop from the highest readings of the season, yet it still indicates a high exposure category, with a burn time of approximately 25 minutes. As autumn approaches, outdoor enthusiasts should remain vigilant, as the sunshine still carries the potential for skin damage, especially during the midday hours. This month serves as a reminder that while UV levels begin to decline, the need for sun protection persists. For more detailed information on UV levels throughout the year, check out Chur UV Index.
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As summer transitions into autumn, September in Chur, Switzerland offers a delightful continuation of sunshine, clocking in at 309 hours of sunlight. This marks a notable dip from the peak of 408 hours in July, yet still resonates with the warmth carried from the summer months. After basking in the full bloom of July and August, September maintains a moderate brightness, outshining the earlier months of the year such as January, which only saw 173 hours. With the sun still gracing the city, September serves as a beautiful bridge to the cooler seasons, inviting residents and visitors to enjoy the stunning landscapes under a canopy of lingering sunlight.
In Chur, Switzerland, the likelihood of sunny weather in September hovers around 36%, positioning it favorably compared to the summer months. While July and August see percentages close to this mark at 30% and 31%, September maintains a slight edge, reflecting a subtle shift towards autumn. As summer fades, the chance for clear skies remains relatively stable, aligning closely with October's 36%. This suggests that while the sun may not dominate the September sky, there's still a solid opportunity for sunshine, allowing residents and visitors alike to enjoy the beautiful landscapes of the region before winter sets in.
As the vibrant summer days of Chur, Switzerland, begin to wane, September serves as a transitional month in daylight hours. With an average of 12 hours of daylight, this month signals a gentle shift from the long, sun-kissed days of summer, where June through August bask in a generous 15 hours of light. In September, daylight reduces noticeably, preparing residents for the shorter days ahead. The gradual decline continues into autumn, ultimately leading to the soft glow of 10 hours in October and a mere 9 hours in November. This trend illustrates not only the changing seasons but also the enchanting rhythm of nature, inviting Chur's inhabitants to savor the last vestiges of summer light before embracing the cozy charm of fall.
In Chur, Switzerland, the September wind gently mirrors the calming rhythm of late summer, with an average speed of 1.2 m/s (3 mph). This marks a subtle decline from the previous months, as August also recorded the same breeze, but August tends to bring a sense of lingering warmth as summer shifts into fall. Notably, September sits at the tail end of a pattern where the wind speeds remain relatively stable throughout the year, suggesting a tranquil atmosphere ideal for enjoying the breathtaking landscapes. As the seasons transition, this gentle wind serves as a reminder of nature’s soothing consistency and the serene beauty that surrounds Chur.
Weather in Chur varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chur, focusing on differences in temperature, rainfall, humidity, and UV levels.
September weather is generally milder compared to January, with temperatures ranging from a minimum of -10°C (15°F) to an average of 8°C (47°F) and a maximum of 21°C (70°F). This month experiences higher precipitation levels, totaling 136 mm (5.3 in) over 15 days, and humidity is at 83%. In contrast, January is significantly colder, with temperatures dipping as low as -28°C (-19°F) and averaging -8°C (18°F) during the day, peaking at 6°C (43°F). Precipitation in January is lower at 92 mm (3.6 in) across 11 days, but the humidity rises to 92%, giving the air a chillier feel. For a detailed overview, you can explore Chur weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a chilly minimum of -10°C (15°F) to a mild maximum of 21°C (70°F), with an average of 8°C (47°F). The month sees significant precipitation, totaling 136 mm (5.3 in) over approximately 15 rainy days, and humidity levels sit at a relatively high 83%. In contrast, February experiences much colder temperatures, with minimums dropping to -25°C (-13°F) and an average temperature of -4°C (25°F), peaking at a maximum of 10°C (50°F). Precipitation is lower at 66 mm (2.6 in), occurring across about 12 days, and humidity rises slightly to 89%. For more detailed information, you can check Chur weather in February.
In comparing the weather between September and March, it's evident that both months experience significant variations. September boasts more moderate temperatures, with a minimum of -10°C (15°F) and an average of 8°C (47°F), peaking at a comfortable 21°C (70°F). It is relatively humid at 83% and sees a fair amount of rainfall, totaling 136 mm (5.3 in) over 15 days. In contrast, March is much colder, with minimum temperatures plummeting to -25°C (-13°F) and averaging -2°C (29°F), with a maximum of only 12°C (54°F). Although it experiences slightly less precipitation at 95 mm (3.7 in) over 16 days, the humidity remains high at 87%. The stark difference in temperatures illustrates the seasonal transition, offering a distinct contrast between the two months. For more details, check out Chur weather in March.
In comparing the weather in September and April, we notice distinct differences in temperature and precipitation. September typically experiences milder temperatures, with a minimum of -10°C (15°F) and an average of 8°C (47°F), peaking at a comfortable 21°C (70°F). In contrast, April is cooler overall, featuring a lower minimum of -23°C (-9°F) and an average temperature of only 2°C (36°F), with a maximum of 16°C (61°F). Precipitation is also notable, as September sees a higher total of 136 mm (5.3 in) spread over 15 days, while April has a bit less rainfall at 93 mm (3.7 in) over 14 days. Interestingly, both months exhibit similar humidity levels, with September at 83% and April slightly higher at 84%. For a more detailed look at the April weather, you can visit Chur weather in April.
September and May present contrasting yet similar weather patterns. In September, temperatures range from a minimum of -10°C (15°F) to a maximum of 21°C (70°F), with an average of 8°C (47°F). This month experiences about 136 mm (5.3 in) of precipitation over 15 days, accompanied by a relatively high humidity level of 83%. Conversely, May sees slightly cooler temperatures, with a minimum of -11°C (13°F) and a maximum of 22°C (71°F), averaging around 6°C (43°F). It also has higher precipitation at 157 mm (6.2 in) over 22 days, although humidity remains similar at 80%. For more detailed weather conditions specific to May, you can check Chur weather in May.
In comparing the weather between September and June, notable differences emerge. September experiences colder temperatures, with a minimum of -10°C (15°F) and an average of 8°C (47°F), while June offers milder conditions, with minimum temperatures around -2°C (29°F) and an average of 11°C (53°F). June also boasts a higher maximum temperature, reaching up to 27°C (81°F), compared to September's peak of 21°C (70°F). Precipitation is slightly more pronounced in June, with 148 mm (5.8 in) over 19 days, while September sees 136 mm (5.3 in) across 15 days. Humidity levels are comparable, with September at 83% and June at 82%. For those interested in exploring more about June weather, visit Chur weather in June.
When comparing the weather between September and July, it is evident that July is generally warmer, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 26°C (79°F), while September shows a greater range, with temperatures dropping to a minimum of -10°C (15°F) and peaking at 21°C (70°F). Both months experience significant precipitation, with July receiving 148 mm (5.8 in) over 20 days compared to September's 136 mm (5.3 in) over 15 days. Interestingly, humidity levels remain constant at 83% for both months, leading to a consistently moist atmosphere. For a detailed look at July's climate, visit Chur weather in July.
In comparing the weather of September to that of August, September experiences a more pronounced coolness, with temperatures ranging from a minimum of -10°C (15°F) to an average of 8°C (47°F) and a maximum of 21°C (70°F). In contrast, August typically sees warmer temperatures, with minimums around 0°C (33°F), an average of 12°C (54°F), and maximums peaking at 24°C (76°F). While September witnesses notable precipitation of 136 mm (5.3 in) over 15 days, August is even wetter, receiving 201 mm (7.9 in) over 19 days. Humidity levels are slightly higher in September at 83%, compared to August's 80%. For a closer look at August weather specifics, visit Chur weather in August.
September weather tends to be milder with average temperatures around 8°C (47°F), featuring a range from a chilly -10°C (15°F) to a pleasant max of 21°C (70°F). However, it also brings considerable rainfall, totaling 136 mm (5.3 in) over approximately 15 days, accompanied by high humidity levels of 83%.
In contrast, October experiences a slight dip in temperatures, with average readings of 4°C (40°F) and a maximum of 17°C (62°F). Although the minimum temperature is a tad higher at -8°C (17°F), the month sees an increase in precipitation to 142 mm (5.6 in) over 12 days, along with a rise in humidity to 90%. For more insights, you can check Chur weather in October.
In September, the weather is generally milder, with temperatures ranging from a minimum of -10°C (15°F) to a maximum of 21°C (70°F), averaging around 8°C (47°F). This month also sees significant precipitation, totaling 136 mm (5.3 in) over 15 days, and a humidity level of 83%. Conversely, November presents a harsher climate with lower temperatures, dipping to a minimum of -19°C (-2°F) and reaching a maximum of 13°C (56°F), with an overall average of -2°C (29°F). Though November receives slightly less precipitation at 104 mm (4.1 in) over 13 days, the humidity increases to 88%, making the air feel brisk and chilly. For more detailed insights, you can check Chur weather in November.
In September, the weather is relatively mild with average temperatures hovering around 8°C (47°F) and maximum highs reaching up to 21°C (70°F). However, as the month progresses, the chill begins to settle in, particularly at night, with minimum temperatures dipping to -10°C (15°F). With around 136 mm (5.3 in) of precipitation over about 15 days, September can be quite wet, accompanied by a humidity level of 83%.
In contrast, December brings a significant drop in temperatures, averaging at -6°C (21°F), with minimums plunging to -26°C (-15°F). Despite slightly lower precipitation levels at 130 mm (5.1 in) over 17 days, the humidity rises to 90%, contributing to a distinctly cold and damp atmosphere. For a closer look at what to expect, you can explore Chur weather in December.
As summer gracefully transitions to autumn, September in Chur brings a refreshing shift in weather that sets it apart from the rest of the year. With temperatures that can swing from a brisk chill to pleasantly mild days, this month offers a unique blend of warmth and coolness. The average temperature hovers around a crisp 8°C, while the occasional peak hits a comfortable 21°C, making it ideal for outdoor exploration. However, be prepared for rain, as September tends to be one of the wetter months, with a significant 136 mm of precipitation spread across about half of the month. This increased humidity adds a certain freshness to the air, creating an invigorating environment perfect for enjoying the beautiful autumnal landscapes. For a deeper dive into what to expect, visit Chur Climate.