Last updated: August 27, 2025
September in Seelisberg, Switzerland is marked by a delightful blend of mild temperatures and refreshing rainfall. With a maximum of 25°C (77°F) and an average of 13°C (56°F), the days offer a comfortable climate, while nights can dip to a cool 1°C (34°F). This month sees approximately 146 mm (5.8 in) of precipitation spread over 15 days, contributing to the lush alpine landscape. Additionally, high humidity levels of 83% create a crisp, invigorating atmosphere perfect for exploring the breathtaking scenery. Whether you're hiking through the picturesque trails or enjoying the serene views of Lake Lucerne, September in Seelisberg presents a charming autumn experience.
September in Seelisberg, Switzerland, marks a delightful transition as summer wanes and autumn begins to set in. With temperatures ranging from a minimum of 1°C (34°F) to a comfortable maximum of 25°C (77°F), the month presents a mild average of 13°C (56°F) that invites locals and travelers alike to enjoy the stunning natural beauty. As the leaves start to change, the pleasant warmth of early autumn contrasts with the chilly night air, offering a refreshing yet crisp atmosphere. This transitional period not only showcases the picturesque landscape but also provides ideal conditions for hiking and outdoor activities, making September a truly enchanting time to experience all that Seelisberg has to offer.
In September, Seelisberg experiences a refreshing change as the summer warmth wanes, with precipitation measuring 146 mm (5.8 in) over approximately 15 days. This amount, while lower than the peak of August at 203 mm (8.0 in), signifies a steady continuation of the rainy season typical for late summer and early fall. As the month progresses, the rainfall begins to taper off, paving the way for the crispness of autumn. Interestingly, September is marked by a balance of rain, neither too excessive nor too sparse, reflecting a trend of consistent precipitation that characterizes the month before transitioning into the drier spells of October. Overall, this period in Seelisberg is not only essential for nurturing the lush landscape but also serves as a prelude to the beautiful fall foliage that follows.
In September, Seelisberg experiences a humidity level of 83%, marking a slight uptick from the preceding months of summer, where humidity hovered around 80%. This increase is part of a gentle trend observed as the year transitions to autumn, with humidity levels rising again to 90% by October. The late summer and early autumn months in Seelisberg showcase a relatively balanced humidity, providing a comfortable atmosphere that contrasts with the dampness expected in winter months. As the seasons change, the August to September shift also suggests a seasonal preparation for the wetter conditions ahead, creating a refreshing yet cozy climate ideal for explorations in this picturesque Swiss locale.
In September, Seelisberg experiences a UV Index of 6, indicating a high exposure category, which allows for a burn time of 25 minutes. As summer transitions to autumn, the UV index shows a decline from the peak levels observed in the previous months, yet it remains significant enough for outdoor enthusiasts to take precautions. This month marks a shift from the very high levels of July and August, where the sun's rays could quickly lead to skin damage after just 15 minutes of exposure. As the days shorten and temperatures cool, it's vital to stay aware of the UV levels—especially since September still demands protective measures for exposure. For more information on UV levels throughout the year, visit Seelisberg UV Index.
UV Risk Categories
September in Seelisberg, Switzerland, boasts a beautiful transition toward autumn with 320 hours of sunshine, a delightful wrap-up to the summer months. Following the sunniest peak in July at 415 hours, the days begin to shorten, yet September still holds its own with a generous spread of sunlight. This month ushers in a gentle decline from the summer radiance of August's 384 hours, reflecting a consistent pattern where peak sunshine hours are recorded during the summer, gradually tapering off as the year progresses. Embraced by stunning alpine scenery, September's sunlight invites both locals and visitors to celebrate the crisp air and vibrant fall foliage, making it a perfect time for outdoor explorations before the winter chill sets in.
As September arrives in Seelisberg, Switzerland, the chance of sunny weather stands at 34%, marking a slight increase compared to the summer months. While this percentage may seem modest, it reflects a broader trend where the likelihood of sunshine fluctuates throughout the year. Notably, March and April enjoy higher probabilities of sun at 42% and 44% respectively, contributing to the vibrant beauty of spring. September's forecast offers a gentle transition, as it nestles comfortably between the bustling summer and the cooler autumn months. Though not the sunniest month, September still holds promise for those seeking a blend of pleasant weather and scenic landscapes, inviting visitors to embrace the warm hues of early fall.
As summer fades, September in Seelisberg, Switzerland, marks the transition into autumn with a noticeable shift in daylight duration. With around 12 hours of daylight, the month showcases a gentle decline from the peak of 15 hours in June, July, and August. This gradual decrease signals the approach of shorter days, as seen in the notable drop to 10 hours by October. Notably, September maintains a balance, still allowing ample sunlight for outdoor activities and enjoying the stunning autumn scenery, while also hinting at the cozier, darker months ahead. The gradual ebb of daylight sets the perfect stage for the beauty of Swiss fall, where nature's vibrant colors come alive.
As September unfolds in Seelisberg, Switzerland, the gentle breeze continues its serene journey, matching the calmness of the late summer months with an average wind speed of 1.2 m/s (3 mph). This slight drop from the earlier months creates a tranquil atmosphere, often giving the impression that nature itself is preparing for the onset of autumn. Throughout the year, wind speeds in this picturesque locale tend to hover around the lower spectrum, with only January and February flaunting a slightly higher pace of 1.6 m/s (4 mph). In contrast, the summer months reveal a common pattern of subdued winds, culminating in September’s soothing stillness, inviting visitors to bask in the breathtaking scenery and peaceful ambiance that this charming village offers.
Weather in Seelisberg varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Seelisberg, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly different weather patterns. In September, temperatures range from a mild 1°C (34°F) at night to a pleasant 25°C (77°F) during the day, with an average of 13°C (56°F). The month sees considerable rainfall, totaling 146 mm (5.8 in) over about 15 days, accompanied by a high humidity level of 83%. In contrast, January brings much colder conditions, where temperatures dip down to a minimum of -15°C (5°F) and peak at 11°C (52°F) for an average of -1°C (30°F). Despite the slightly lower total precipitation of 144 mm (5.7 in) over 13 days, the humidity is noticeably higher at 92%. For more insights on January weather in this region, visit Seelisberg weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a chilly 1°C (34°F) at night to a pleasant 25°C (77°F) during the day, with an average of 13°C (56°F). The month sees considerable precipitation, totaling 146 mm (5.8 in) over 15 days, while humidity remains relatively high at 83%. In contrast, February is much colder, with minimum temperatures plummeting to -19°C (-1°F) and a maximum of only 14°C (58°F), averaging around 1°C (34°F). Precipitation is also present, although slightly less than in September, at 106 mm (4.2 in) across 12 days, and humidity is slightly elevated at 89%. For a closer look at February weather specifics, you can visit Seelisberg weather in February.
In comparing the weather patterns of September and March, we observe notable contrasts. September boasts a wider temperature range, with minimums around 1°C (34°F) and maximums reaching up to 25°C (77°F), averaging 13°C (56°F). In this month, precipitation is considerable at 146 mm (5.8 in), spread over 15 days, coupled with a humidity level of 83%. Conversely, March is characterized by colder weather, with minimum temperatures dropping to -15°C (6°F) and a maximum of 18°C (64°F), resulting in an average of just 3°C (38°F). Although it experiences slightly less precipitation at 127 mm (5.0 in) spread over 17 days, March maintains a higher humidity rate of 87%. For more insightful comparisons of March weather patterns, check out Seelisberg weather in March.
In comparing the weather of September and April, we see notable differences in temperature and precipitation patterns. September generally experiences milder temperatures, with a minimum of 1°C (34°F) and an average of 13°C (56°F), peaking at a maximum of 25°C (77°F). In contrast, April is cooler, with temperatures ranging from a minimum of -7°C (19°F) to an average of 7°C (45°F) and a maximum of 22°C (71°F).
Precipitation levels are slightly higher in September, accumulating 146 mm (5.8 in) over roughly 15 days, compared to April's 104 mm (4.1 in) over 12 days. Both months experience high humidity, with September registering at 83% and April at 84%. This combination of cooler temperatures and consistent moisture makes April a unique month, as detailed in the following link: Seelisberg weather in April.
September tends to be warmer than May, with average temperatures ranging from a minimum of 1°C to a maximum of 25°C, compared to May's temperatures, which range from a low of -7°C to a high of 27°C. Both months experience significant precipitation, with September receiving 146 mm over 15 days and May slightly higher at 163 mm over 19 days. Humidity levels are relatively similar, with September at 83% and May at 80%. For a closer look at May weather conditions, you can visit Seelisberg weather in May.
September and June exhibit distinct weather patterns, showcasing the transition from summer to autumn. In June, temperatures range from a minimum of 4°C (39°F) to a maximum of 31°C (88°F), with an average of 16°C (60°F), making it generally warmer than September, which has a broader temperature range of 1°C (34°F) to 25°C (77°F) and an average of 13°C (56°F). Both months experience significant precipitation, with June averaging 189 mm (7.4 in) over 18 days, while September follows closely with 146 mm (5.8 in) over 15 days. Humidity levels are fairly similar, with June at 82% and September slightly higher at 83%. For more detailed insights into the June climate, you can check Seelisberg weather in June.
In comparing the weather of September and July, it’s evident that July is generally warmer, with average temperatures reaching 17°C (63°F) compared to September's 13°C (56°F). July boasts higher maximum temperatures at 31°C (87°F), whereas September tops out at 25°C (77°F). However, September experiences significant precipitation, averaging 146 mm (5.8 in) over 15 days, while July receives 190 mm (7.5 in) over 18 days, making it slightly wetter overall. Interestingly, both months share the same humidity level of 83%, which adds to the overall comfort or discomfort, depending on personal preference. For those considering a visit in July, you can find more information about Seelisberg weather in July.
In comparing the weather between August and September, we see a notable shift in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of 1°C (34°F) and an average of 13°C (56°F), while August maintains warmer conditions, starting with a minimum of 7°C (45°F) and an average of 17°C (63°F). Precipitation levels are also distinct; September sees 146 mm (5.8 in) of rain over 15 days, compared to August's higher 203 mm (8.0 in) spread out over 18 days. Humidity levels are slightly higher in September at 83%, compared to August’s 80%. For a closer look at specific weather trends, you can explore Seelisberg weather in August.
In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), with an average of 13°C (56°F). The month experiences significant rainfall, with 146 mm (5.8 in) of precipitation spread over 15 days and a humidity level of 83%. In contrast, October sees a decline in average temperatures to 9°C (49°F), with maximums reaching 20°C (68°F), while the minimum remains steady at 1°C (34°F). This month also experiences increased precipitation at 165 mm (6.5 in) over 14 days, along with higher humidity levels reaching 90%. For more specific details on October weather, you can refer to Seelisberg weather in October.
September and November showcase a significant transition in weather patterns. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), with an average of 13°C (56°F). This month is characterized by high humidity at 83% and considerable rainfall, totaling 146 mm (5.8 in) over 15 days. In contrast, November experiences cooler temperatures, with minimums dropping to -7°C (19°F) and an average of just 4°C (39°F). The maximum temperature remains milder at 19°C (66°F). Precipitation decreases to 102 mm (4.0 in) over 14 days, but humidity rises slightly to 88%. For a detailed look at November weather in Seelisberg, you can visit Seelisberg weather in November.
September and December showcase a striking contrast in weather conditions. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), with an average of 13°C (56°F). The month experiences 146 mm (5.8 in) of precipitation over 15 days, and humidity levels sit at 83%. In contrast, December brings much colder temperatures, with a minimum of -11°C (12°F) and an average temperature of just 1°C (33°F), peaking at 11°C (52°F). It also sees increased precipitation, totaling 171 mm (6.7 in) over 18 days, with humidity rising slightly to 90%. For more details about the December weather, you can visit Seelisberg weather in December.
As September unfolds in Seelisberg, the weather experiences a noticeable transition, marking the shift from the warmer summer days to the crispness of autumn. With maximum temperatures reaching a comfortable 25°C and an average of 13°C, visitors can enjoy mild afternoons, though they should be prepared for the possibility of cooler nights, dipping as low as 1°C. The month is characterized by increased precipitation, averaging 146 mm across roughly half of the days, making it one of the wetter months in contrast to the dry summer. The high humidity levels at 83% can add a sense of dampness to the air, underscoring the saying that "September is the bridge between summer and autumn." For those looking to understand the seasonal patterns of this enchanting region, detailed insights can be found at Seelisberg Climate.