Last updated: August 27, 2025
September in Stansstad, Switzerland offers a delightful transition into autumn, showcasing an average temperature of 14°C (58°F), with highs reaching up to 25°C (78°F) and lows dipping to 3°C (37°F). This month typically sees 138 mm (5.4 in) of precipitation spread across approximately 15 days, contributing to the area's lush landscapes. With an average humidity level of 83%, the air is often moist, adding to the charm of Stansstad's scenic beauty. Whether you're exploring the stunning views of Lake Lucerne or hiking nearby trails, September's mild temperatures and refreshing ambiance create the perfect backdrop for outdoor adventures.
In September, Stansstad, Switzerland, experiences a delightful transition as summer wanes, with temperatures ranging from a refreshing 3°C (37°F) at night to a pleasant 25°C (78°F) during the day. This month showcases an average temperature of 14°C (58°F), making it ideal for outdoor activities amidst the scenic beauty of the Swiss landscapes. Compared to the balmy days of August, where highs reached 30°C (87°F), September brings a welcome coolness without losing the warmth of summer completely. As the days shorten and the air crispens, the region prepares for the gentle embrace of autumn, encapsulating a perfect blend of lingering warmth and the promise of upcoming foliage.
September in Stansstad experiences a notable balance in precipitation, with 138 mm (5.4 in) of rainfall spread over 15 days. This reflects a continuation of the wet summer months, as both July and August recorded higher totals of 199 mm and 193 mm respectively, indicating a trend of substantial rainfall during the warmer months. As autumn approaches, September’s precipitation begins to ease compared to earlier months, yet remains significant, paving the way for the wetter October, which sees an increase to 158 mm (6.2 in). This gradual transition serves as a reminder of the region's vibrant climate, where each month contributes to the lush landscape that defines Stansstad.
In September, Stansstad experiences a slight uptick in humidity, averaging around 83%. This modest increase marks a transition from the drier summer months of July and August, which hovered around 80%. As the seasons change, the rising humidity can create a feeling of warmth and lushness, typical of early autumn in Switzerland. Interestingly, this trend of fluctuating humidity is not uncommon, as it precedes the inevitable climb back to the higher levels seen in the winter months, where humidity peaks at 90% in both October and December. Thus, September serves as a bridge, blending the freshness of summer with the moisture-laden air of autumn, making it a unique time in Stansstad's climatological calendar.
As September arrives in Stansstad, Switzerland, sun seekers can expect a UV Index of 6, placing it in the high exposure category with a burn time of 25 minutes. This marks a gentle decline from the peak summer months of July and August, where the UV Index soared to 9, indicating very high levels of exposure. Throughout the year, the UV Index demonstrates a clear trend: it peaks in late spring and summer, before tapering off in the fall. By September, while still elevated, the Index offers a slightly safer environment for outdoor activities. For more detailed insights on daily UV levels and sun safety tips, visit Stansstad UV Index.
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As summer fades into autumn, September in Stansstad, Switzerland, typically boasts 320 hours of sunshine, marking a delightful transition from the sun-soaked days of summer. Following the peak of 415 hours in July, the sunny hours begin to taper off, yet September still stands out as a vibrant month filled with ample light. This gradual decline is mirrored in the contrasting shorter days of October, which receives 279 hours of sunshine. The month serves as a reminder of the waning warmth, with its balance of sun and early autumn hues creating a picturesque landscape, making it an ideal time for outdoor exploration before the chill of winter sets in.
In Stansstad, Switzerland, September brings a 36% chance of sunny weather, a figure that aligns with the month's summer transition into autumn. This percentage is consistent with both October and August, indicating a stable climate pattern as the season shifts. Interestingly, September's likelihood of sunshine builds on the warmer months, maintaining a favorable chance for outdoor activities. As the warm summer days give way to cooler evenings, September's weather offers a delightful balance, inviting both locals and tourists to bask in the gentle sun before the chill of autumn fully sets in.
As summer fades into autumn in Stansstad, Switzerland, September witnesses a gentle decline in daylight hours, averaging 12 hours of sunlight. Following the sun-drenched months of June, July, and August, where daylight peaked at 15 hours, the transition into September marks a notable shift. This month serves as a bridge, as it enjoys more light than the impending October, which features just 10 hours of daylight. The gradual shortening of days reflects nature's rhythm, inviting residents to enjoy the vibrant hues of early autumn before the days become shorter and colder in the months ahead. While September holds onto some of the summer's glow, it gently ushers in the cozy embrace of fall.
As summer gracefully transitions into autumn in Stansstad, Switzerland, September brings with it a consistent whisper of wind, gently wafting through the air at an average speed of 1.3 m/s (3 mph). This mild breeze mirrors the calm atmospheric conditions seen throughout the warmer months, which maintain similar wind velocities from July through to September. Interestingly, despite the cooler temperatures gradually settling in, the wind speed remains stable, reflecting a serene environment that invites leisurely strolls along the scenic shores of Lake Lucerne. While the early months of the year experienced slightly more variability in wind speeds, September's persistent calm serves as a gentle reminder of the tranquil beauty that characterizes this enchanting lakeside town as it prepares for the richer hues of autumn.
Weather in Stansstad varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Stansstad, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit starkly contrasting weather characteristics. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 25°C (78°F), resulting in a pleasant average of 14°C (58°F). Humidity is relatively high at 83%, with precipitation totaling 138 mm (5.4 in) over 15 days, reflecting the transitional nature of early autumn. In contrast, January brings much colder conditions, with temperatures dipping as low as -13°C (10°F) and averaging around 0°C (32°F). Despite similar precipitation levels of 138 mm (5.4 in) over 13 days, the higher humidity of 92% in January adds to the brisk chill of winter. For a closer look at January conditions, visit Stansstad weather in January.
In comparing the weather of September and February, it’s clear that each month presents distinct seasonal characteristics. September brings milder temperatures, with averages around 14°C (58°F) and maxes reaching 25°C (78°F), along with significant rainfall totaling 138 mm (5.4 in) across about 15 days, and a relatively high humidity of 83%. In contrast, February is much colder, with an average temperature of 2°C (36°F) and maximums only hitting 16°C (62°F), coupled with less precipitation at 107 mm (4.2 in) over 12 days and slightly higher humidity at 89%. For a closer look at February weather specifics, you can check Stansstad weather in February.
In comparing the weather of September and March, we see a significant contrast in temperatures and conditions. September boasts milder temperatures, with a minimum of 3°C (37°F) and an average of 14°C (58°F), peaking at 25°C (78°F). This month experiences more pleasant weather overall, despite a considerable amount of precipitation, totaling 138 mm (5.4 in) over 15 days, along with a humidity level of 83%.
In stark contrast, March experiences colder conditions, with temperatures ranging from a minimum of -13°C (8°F) to an average of 4°C (40°F) and a maximum of 18°C (65°F). Although the total precipitation is slightly less at 126 mm (5.0 in) spread over 16 days, the humidity is a bit higher at 87%. For a detailed look at the weather in March, you can refer to Stansstad weather in March.
In comparing the weather of September and April, it’s evident that September tends to be warmer, with an average temperature of 14°C (58°F) compared to April's cooler average of 8°C (46°F). While September boasts a maximum temperature of 25°C (78°F), April reaches up to 23°C (73°F). However, April experiences colder minimum temperatures, dropping to -6°C (21°F), while September’s minimum is a milder 3°C (37°F). Precipitation is slightly higher in September, with 138 mm (5.4 in) over 15 days, compared to April's 102 mm (4.0 in) over 12 days. Humidity levels are comparable, with September at 83% and April at 84%. For a detailed look at how April weather can vary, check out Stansstad weather in April.
September and May present contrasting weather patterns. In September, temperatures range from a cool minimum of 3°C (37°F) to a pleasant maximum of 25°C (78°F), with an average of 14°C (58°F). The month sees considerable precipitation averaging 138 mm (5.4 in) over approximately 15 days, and a high humidity level of 83%. In comparison, May offers a wider range of temperatures, with a minimum dipping to -6°C (21°F) and a maximum reaching 28°C (83°F), averaging 11°C (52°F). This month also experiences more rainfall, totaling 172 mm (6.8 in) across about 19 days, while maintaining a slightly lower humidity of 80%. For more detailed insights into May weather, you can check Stansstad weather in May.
When comparing the weather in September and June, several notable differences emerge. September tends to have milder temperatures, with an average of 14°C (58°F) and a maximum of 25°C (78°F), while June enjoys warmer conditions with an average of 16°C (62°F) and highs reaching 32°C (90°F). However, June experiences more precipitation, averaging 202 mm (8.0 in) over 18 days, compared to September's 138 mm (5.4 in) across 15 days. Humidity levels remain fairly close, with September at 83% and June at 82%. For those considering travel to the region, more details can be found in this link: Stansstad weather in June.
In comparing the weather between September and July, we see a notable shift in temperatures and precipitation patterns. September experiences a broader range of temperatures, with a minimum of 3°C (37°F) and a maximum of 25°C (78°F), averaging around 14°C (58°F). In contrast, July is warmer, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (89°F), averaging 18°C (64°F). Additionally, July sees higher precipitation levels, totaling 199 mm (7.8 in) across 18 days, compared to September's 138 mm (5.4 in) over 15 days, although both months share a relative humidity of 83%. For more detailed information about July's weather in Stansstad, you can visit Stansstad weather in July.
In comparing the weather of September and August, we see a notable shift in temperatures and precipitation patterns. September typically experiences a cooler edge, with minimums dropping to 3°C (37°F) and an average of 14°C (58°F), compared to August's milder minimum of 8°C (46°F) and average of 18°C (64°F). Additionally, while August can reach highs of 30°C (87°F), September's maximum is more moderate at 25°C (78°F). Precipitation is also slightly decreased in September, totaling 138 mm (5.4 in) over 15 days, whereas August sees 193 mm (7.6 in) across 16 days. Humidity levels remain relatively high in both months, with September at 83% and August at 80%. For more details on weather patterns, you can refer to Stansstad weather in August.
In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 25°C (78°F), with an average of 14°C (58°F). The month experiences about 138 mm (5.4 in) of rainfall over 15 days and maintains a humidity level of 83%. In contrast, October brings cooler weather, with temperatures dipping to a minimum of 1°C (34°F) and a maximum of 21°C (70°F), averaging around 10°C (50°F). Rainfall increases slightly to 158 mm (6.2 in) over 14 days, and humidity rises to 90%. For more detailed information on the October weather, you can check Stansstad weather in October.
In comparing the weather between September and November, one can observe a notable shift in temperature and precipitation patterns. September features a mild temperature range, with a minimum of 3°C (37°F), an average of 14°C (58°F), and a maximum of 25°C (78°F). In contrast, November brings cooler conditions, with temperatures dropping to a minimum of -4°C (26°F) and an average of only 5°C (41°F), yet it can still reach a maximum of 20°C (68°F) on warmer days. Precipitation is slightly lower in November, with 97 mm (3.8 in) over 13 days, compared to September's 138 mm (5.4 in) over 15 days. Additionally, humidity levels rise in November, reaching 88% compared to September’s 83%. For more specific insights into weather during this month, you can check out Stansstad weather in November.
In comparing the weather of September and December, September offers a milder climate with average temperatures ranging from 3°C (37°F) to 25°C (78°F), while December’s temperatures drop significantly, with averages from -9°C (16°F) to 11°C (53°F). September experiences a lower average precipitation of 138 mm (5.4 in) over 15 days compared to December's 169 mm (6.6 in) across 18 days, indicating more frequent but lighter rain in September. Humidity levels also reflect the seasonal shift, with September at 83% and December rising slightly to 90%, creating a colder and damper environment as winter approaches. For more details on December weather in Stansstad, visit Stansstad weather in December.
As September unfolds in Stansstad, it brings a unique blend of warmth and moisture that sets it apart from the preceding summer months. With maximum temperatures reaching a pleasant 25°C, the days still invite outdoor activities, yet the average cools down significantly, hinting at the impending autumn. The increase in precipitation—spreading over about half the month—contributes to the lush greenery typical of this season, as the humidity lingers around a notable 83%. This transition creates a refreshing atmosphere, contrasting sharply with the drier heat of July and August. To learn more about the overall weather patterns throughout the year, visit Stansstad Climate.