Last updated: August 27, 2025
September in Roche, Switzerland presents a tapestry of weather that invites both exploration and reflection. The maximum temperature reaches a comfortable 23°C (74°F), while evenings cool down to an average of 11°C (52°F). However, occasional chills dip to a minimum of -5°C (24°F), reminding visitors of the approaching autumn. This month sees about 120 mm (4.7 in) of rainfall spread over 15 days, contributing to an 81% humidity level that accentuates the fresh, crisp air. Whether you're enjoying the vibrant landscapes or cozying up indoors, Roche's September weather offers a delightful blend of warmth and refreshing coolness.
September in Roche, Switzerland ushers in a refreshing transition as summer begins to cede to autumn. With temperatures reaching a maximum of 23°C (74°F), the month still retains warmth, but the average hovers around 11°C (52°F), marking a notable drop from the vibrant summer days. Early mornings can be brisk with minimum temperatures dipping to -5°C (24°F), hinting at the chill that autumn will soon bring. This blend of lingering summer warmth and the onset of cooler air creates a perfect environment for outdoor activities and enjoying the stunning natural scenery as leaves start to change color. Overall, September serves as a gentle reminder of the approaching seasonal shift while offering comfortable days for exploration and leisure.
In Roche, Switzerland, the month of September brings a refreshing transition as summer fades into autumn, showcasing an average precipitation of 120 mm (4.7 in) over 15 days of rainfall. This marks a slight decline from the wetter months of May and June, which each recorded a robust 211 mm (8.3 in). Interestingly, September's precipitation levels are similar to those in October, suggesting a relatively consistent moisture pattern as the region prepares for the impending winter. The overall trend reveals a gradual decrease in rainfall from the peak summer months, indicating a shift towards drier conditions, yet still providing essential water resources for the lush landscapes that define this picturesque Swiss locale.
In September, Roche, Switzerland experiences a moderate humidity level of 81%, which reflects a slight increase from the summer months. This transition from the warmer, drier days of August, with its notable 77% humidity, signifies the gradual shift towards the cooler autumn air. As the year progresses, humidity levels tend to rise again in October and beyond, indicating a pattern where the crispness of fall brings a resurgence in moisture. Overall, September serves as a bridging point between the warmth of summer and the dampness of approaching winter, highlighting the dynamic climate of this picturesque Swiss locale.
As September arrives in Roche, Switzerland, the UV Index remains at a high level of 7, with a burn time of just 25 minutes. This marks a slight decrease from the summer months, reflecting the transition from the intense summer sun but still requiring mindful sun protection. The trend shows a gradual decline in UV intensity since May, where the index peaked at 8 and 10 in the summer. Nevertheless, it's essential to stay vigilant even as fall approaches, as the UV Index can still pose a risk during outdoor activities. For more detailed information on daily UV levels and safety tips, check out the Roche UV Index.
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September in Roche, Switzerland continues the trend of abundant sunlight as summer transitions into fall. With 330 hours of sunshine, the month shines brightly, though slightly less than the sun-drenched July and August, which peaked at 418 and 388 hours respectively. As the days grow shorter, September still offers a generous dose of sunshine, outpacing the winter months that lie ahead, with October seeing a dip to 288 hours. This prevailing warmth and light during September invites residents and visitors alike to bask in the fading summer glow, making it a perfect time for exploration and outdoor activities before the chill of autumn sets in.
September in Roche, Switzerland, offers a moderate 34% chance of sunny weather, maintaining a trend of increasing sunshine compared to the leisurely summer months of July and August, which sit at 33% and 38%, respectively. As the days begin to shorten and autumn approaches, the sunlight beckons a pleasant transition, paralleling the earlier months of spring where chances hovered between 43% and 46%. Interestingly, while September's likelihood is lower than the peak summer weeks, it remains more promising than many winter months like January, which sees a meager 22%. Overall, for those seeking sun-soaked moments amidst the enchanting Swiss landscapes, September continues to hold its charm.
As summer fades into autumn in Roche, Switzerland, September brings a gentle transition with 12 hours of daylight. This month marks a shift from the sun-drenched days of June and July, which basked in a peak of 15 hours, and the gradual decline continues into October, where daylight dips further to 10 hours. The steady increase of sunlight from January's mere 9 hours to May's splendid 14 hours showcases the region's vibrant seasonal rhythm. September's moderate daylight serves as a reminder of the impending winter, yet it still allows ample time to enjoy the picturesque landscapes bathed in soft autumn light.
As autumn approaches in Roche, Switzerland, the September winds calm slightly, averaging a gentle 1.1 m/s (2 mph)—a trend echoed in the preceding summer months. This dip in wind speed reflects a gradual shift from the relatively stable breezes of late spring and summer, which hovered around 1.3 m/s (3 mph). It’s a time when the tranquil lakes and picturesque landscapes are framed by a delicate transition, as the powerful gusts of winter remain on the horizon. The whispers of September's breezes invite a serene ambiance, perfect for leisurely strolls or quiet reflection against a backdrop of vibrant autumn colors.
Weather in Roche varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Roche, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January offer starkly contrasting weather conditions. In September, temperatures range from a chilly -5°C (24°F) at night to a pleasant 23°C (74°F) during the day, with an average temperature of 11°C (52°F). This month experiences significant precipitation, with around 120 mm (4.7 in) falling over approximately 15 days, paired with a humidity level of 81%.
In contrast, January is much harsher, marked by a minimum temperature of -24°C (-11°F) and a maximum of 8°C (48°F), yielding an average of -6°C (22°F). This month sees a slight increase in total precipitation to 138 mm (5.4 in), but it falls over only 10 days, with humidity at a higher 91%. For more detailed insights into January's conditions, you can check out Roche weather in January. Overall, September showcases relatively mild and varied weather, while January presents a frigid and more humid climate.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of -5°C (24°F) to a pleasant maximum of 23°C (74°F), with an average of 11°C (52°F). The month experiences around 120 mm (4.7 in) of precipitation over 15 days and maintains a humidity level of 81%. Conversely, February is much colder, featuring temperatures that dip to a minimum of -20°C (-3°F) and peak at 14°C (57°F), with an average of -2°C (29°F). Precipitation is slightly lower at 115 mm (4.5 in) over 11 days, and humidity rises to 89%. For a more detailed look at February's weather in this region, visit Roche weather in February.
In comparing the weather between September and March, there are notable differences in temperature and precipitation. September enjoys a more temperate range with minimums around -5°C (24°F), averages of 11°C (52°F), and maximums that can reach up to 23°C (74°F). In contrast, March is significantly colder, with minimum temperatures plummeting to -22°C (-8°F) and an average temperature of just 1°C (34°F), peaking at 16°C (62°F). Both months experience similar levels of precipitation, with September recording 120 mm (4.7 in) and March slightly higher at 142 mm (5.6 in), each spread over about 15 days. The humidity levels are also comparable, with September at 81% and March slightly higher at 87%. For those interested in learning more about the specific weather conditions in March, you can refer to this link: Roche weather in March.
September and April present contrasting weather patterns, reflecting the transition between seasons. In September, temperatures range from a chilly minimum of -5°C (24°F) to a more comfortable maximum of 23°C (74°F), with an average of 11°C (52°F) and a notably high humidity of 81%. The month typically experiences 120 mm (4.7 in) of precipitation over 15 days, indicating a wetter climate as summer wanes.
In contrast, April feels cooler with a lower average temperature of 5°C (41°F), marked by a minimum of -16°C (4°F) and a maximum reaching 20°C (68°F). This month sees slightly less precipitation at 90 mm (3.5 in) over 13 days, while humidity hovers around 84%. The comparison highlights that while September is warmer and wetter, April remains cooler with a hint of spring, making each month unique in its weather characteristics. For more insights, you can check Roche weather in April.
In comparing the weather of September and May, we see notable differences in temperature and precipitation patterns. September typically experiences milder temperatures with an average of 11°C (52°F), ranging from a minimum of -5°C (24°F) to a maximum of 23°C (74°F). On the other hand, May tends to be cooler overall, with an average temperature of 8°C (47°F) and a wider range from -11°C (13°F) to 26°C (79°F).
In terms of precipitation, May is significantly wetter, receiving 211 mm (8.3 in) over about 20 days, compared to September's 120 mm (4.7 in) spread across 15 days. Both months exhibit high humidity levels, with September at 81% and May slightly lower at 80%. For a detailed look at the weather conditions in May, you can visit Roche weather in May.
In comparing the weather between September and June, we see distinct differences in temperature and precipitation patterns. September experiences a broader temperature range, with minimums dipping to -5°C (24°F) and maximums reaching 23°C (74°F), while June boasts milder temperatures with a minimum of -1°C (30°F) and a maximum of 30°C (85°F). Precipitation levels are higher in June, with 211 mm (8.3 in) over 20 days compared to September, which has 120 mm (4.7 in) over 15 days. Humidity levels are relatively similar, with September at 81% and June slightly higher at 82%. For more specific details, you can check Roche weather in June.
When comparing September and July weather, we see notable differences in temperature and precipitation. September experiences cooler temperatures, with a minimum of -5°C (24°F) and an average of 11°C (52°F), while July is warmer, with a minimum of 2°C (36°F) and an average of 15°C (59°F). The maximum temperature in July reaches 28°C (83°F), significantly higher than September's max of 23°C (74°F). Additionally, July sees more precipitation, totaling 206 mm (8.1 in) over 17 days compared to September's 120 mm (4.7 in) over 15 days. Humidity levels remain similar, with September at 81% and July at 82%. For detailed information about July weather, you can check Roche weather in July.
In comparing the weather of September and August, September shows a notable drop in temperatures, with minimums reaching -5°C (24°F) compared to August’s more temperate minimum of 3°C (37°F). The average temperature in September is also cooler at 11°C (52°F), while August maintains a warmer average of 14°C (58°F). Additionally, September has a maximum temperature of 23°C (74°F), slightly lower than August’s high of 27°C (81°F). Precipitation levels are lower in September at 120 mm (4.7 in) over 15 days, unlike August, which recorded 189 mm (7.4 in) across 16 days. Humidity levels are slightly higher in September at 81%, compared to 77% in August. For more detailed information on August's weather, check Roche weather in August.
September and October present notable shifts in weather patterns. In September, temperatures generally range from a minimum of -5°C (24°F) to a maximum of 23°C (74°F), with an average of 11°C (52°F). The month experiences around 120 mm (4.7 in) of precipitation over 15 days, with humidity levels around 81%. In contrast, October sees a slight decrease in average temperature to 7°C (44°F), with highs reaching 20°C (68°F) and lows remaining stable at -5°C (23°F). Although precipitation increases slightly to 127 mm (5.0 in) over 13 days, humidity rises to 89%, making October feel notably wetter. For more detailed insights on October weather, you can explore Roche weather in October.
September and November present striking contrasts in weather conditions. In September, temperatures range from a chilly -5°C (24°F) to a pleasant 23°C (74°F), with an average of 11°C (52°F). The month experiences moderate precipitation, totaling 120 mm (4.7 in) over about 15 days, accompanied by a relatively high humidity of 81%. In contrast, November brings much colder temperatures, with a minimum of -17°C (1°F) and a much lower average of 1°C (33°F), peaking at 17°C (63°F). Despite slightly less precipitation at 105 mm (4.1 in) over 12 days, the humidity increases to 89%. For a closer look at November weather specifics, you can visit Roche weather in November.
September generally offers milder weather compared to December, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 23°C (74°F) and an average of 11°C (52°F). The precipitation is lower in September, totaling 120 mm (4.7 in) across about 15 days. In contrast, December experiences much colder conditions, with temperatures dropping to a minimum of -25°C (-13°F) and a maximum of 9°C (48°F), averaging -4°C (24°F). This month also sees higher precipitation levels, reaching 228 mm (9.0 in) over 18 days and higher humidity at 91%. For more details on December weather, you can visit Roche weather in December.
As September unfolds in Roche, it brings a unique blend of weather characteristics that set it apart from the other months. With maximum temperatures reaching a mild 23°C and an average sitting comfortably at 11°C, this month serves as a gentle transition from the warmth of summer to the cooler embrace of autumn. However, it is also a time of increased precipitation, with about 15 days experiencing rain, contributing to the 81% humidity that blankets the region. Such weather creates a refreshing atmosphere, perfect for witnessing the vibrant fall foliage. For more detailed insights on the patterns and shifts of weather, explore Roche Climate.