Last updated: August 27, 2025
In September, Carouge, Switzerland, experiences a delightful transition into autumn, with maximum temperatures reaching 28°C (82°F) and an average of 15°C (59°F). The cooler evenings bring temperatures down to a brisk minimum of 3°C (38°F). This month sees 74 mm (2.9 in) of rainfall spread across 10 days, contributing to the lush landscapes that define the region. Humidity remains high at 81%, creating a refreshing atmosphere that enhances the charm of this picturesque town. Whether you’re exploring the vibrant streets or enjoying the crisp air, September in Carouge offers a perfect blend of warmth and seasonal change.
As summer transitions to autumn, Carouge, Switzerland experiences a delightful shift in temperatures during September. With minimums averaging around 3°C (38°F) and maximums reaching 28°C (82°F), the month offers a comfortable average temperature of 15°C (59°F). This transition highlights a significant drop from the sizzling heights of July and August, but still retains a pleasant warmth, inviting residents and visitors alike to enjoy the crisp, fresh air of early fall. September serves as a bridge between the lingering warmth of summer and the cooler embrace of autumn, making it an ideal time for outdoor activities and exploring the charming streets of Carouge.
In September, Carouge experiences a noticeable dip in precipitation, with 74 mm (2.9 in) of rain falling over just 10 days. This marks a decline from the wetter months of summer, highlighted by May's significant 172 mm and lingering rain from August. As autumn approaches, the transition is evident as the frequency of rainy days decreases, leading to clearer skies and cooler temperatures. This trend of diminishing moisture continues into October, suggesting that while September may signal the end of summer showers, it also sets the stage for the more substantial rains that characterize the winter months ahead.
In Carouge, Switzerland, September marks a subtle shift in humidity levels, averaging 81%—a slight increase from the drier summer months. This trend demonstrates how the transition from summer to autumn introduces a touch of moisture back into the air after the lowest levels seen in August at 77%. As the year progresses, humidity begins to creep back up, reminiscent of the crisp, refreshing air that heralds the approaching autumn. With October bringing a notable rise to 89%, it's clear that September serves as a gentle reminder of the wetter months ahead, bridging the gap between the warmth of summer and the chill of winter.
As September arrives in Carouge, Switzerland, the UV Index remains significant, registering at 7, which falls into the high exposure category. This indicates a need for caution as the sun's intensity is still notable, with an estimated burn time of 25 minutes for fair skin. Following the peak summer months, where the UV Index soared to a striking 10 in June, the trend begins to taper off slightly, showcasing a gradual transition towards autumn. Nevertheless, it serves as a reminder to enjoy the lingering warmth while also prioritizing sun safety. For more detailed information on UV levels throughout the year, check out Carouge UV Index.
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As the summer days gradually wane in Carouge, Switzerland, September still offers a generous 327 hours of sunshine, a notable amount that reflects the lingering warmth of the season. This month serves as a beautiful transition from the sun-soaked heights of July and June, which basked in over 400 hours of radiant light. Although September's sunshine decreases compared to August's peak, it remains a lively contrast to the upcoming chill of October, which sees a drop to 281 hours. The gradual decline, starting from the summer's splendid bounty, offers a perfect blend of warm afternoons and cool evenings, welcoming autumn while still savoring the last rays of summer.
As September rolls into Carouge, Switzerland, the likelihood of sunny weather hovers around 40%, reflecting a transition from the peak warmth of summer. This marked a slight decline from the sunnier days of August, which boasted a 46% chance of sunshine. Interestingly, this early autumn month maintains a steadiness in sun exposure compared to the slightly lower odds seen in the latter part of summer and early fall, such as 37% in June and 43% in October. The trend indicates that while September might not be the sunniest month, it still offers a fair chance for clear skies, inviting residents and visitors alike to embrace the crisp air and the last whispers of summer warmth.
As summer fades into autumn, September in Carouge, Switzerland, offers a gentle transition in daylight duration, basking in approximately 12 hours of sunlight. Following the long and bright days of June and July, when daylight peaks at 15 hours, the days begin to shorten gradually. This gradual decline continues into October, where sunlight shrinks further to 10 hours, signaling the arrival of fall. The trend reflects a natural ebb and flow of daylight, capturing the serene change of seasons and inviting residents to embrace the crisp air and vibrant autumn colors. The shift from the bustling summer days to the calmer light of September encourages an appreciation for the fleeting moments of daylight as the year winds down.
As September arrives in Carouge, Switzerland, the gentle whispers of the wind begin to soften, with an average speed of 1.4 m/s (3 mph), making it the calmest month of the year. This gradual decline in wind intensity reflects a broader seasonal trend, following a peak in April at 2.2 m/s (5 mph) as spring brings lively breezes. The August winds, already leisurely at 1.7 m/s (4 mph), hint at a transition towards autumn's serene stillness. Interestingly, while other months like January and March maintain average speeds around 1.9-2.0 m/s (4 mph), September’s tranquility suggests a time for reflection and the gentle preparation for the colder months ahead.
Weather in Carouge varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Carouge, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. In September, temperatures range from a mild 3°C (38°F) at night to a pleasant maximum of 28°C (82°F) during the day, with an average temperature of 15°C (59°F). The month experiences around 74 mm (2.9 in) of precipitation over approximately 10 days, and humidity sits at 81%. In contrast, January brings much colder conditions, with night temperatures dropping to a chilling -13°C (8°F) and a day maximum of only 14°C (58°F), resulting in an average temperature of around 1°C (34°F). The precipitation increases to 116 mm (4.6 in) over 11 days, accompanied by higher humidity at 91%. For more details on the winter weather, you can check Carouge weather in January.
September and February present strikingly different weather conditions. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (82°F), with an average of 15°C (59°F), offering a mild and pleasant climate. The month experiences about 74 mm (2.9 in) of precipitation over 10 days, accompanied by a relatively high humidity level of 81%.
In contrast, February brings colder temperatures, with a minimum of -12°C (10°F) and a maximum of 17°C (64°F), resulting in an average of just 4°C (39°F). This month sees slightly more precipitation at 96 mm (3.8 in) over 11 days and higher humidity at 89%. These differences highlight the transition from the warm, humid days of late summer to the chilly, damp winter conditions. For more details, you can check Carouge weather in February.
When comparing the weather in September and March, it’s clear that each month brings distinct characteristics. September typically experiences milder temperatures, with averages around 15°C (59°F) and highs reaching 28°C (82°F), while March tends to be much cooler, averaging only 6°C (43°F) and dipping as low as -12°C (10°F). Additionally, March sees a higher level of precipitation, with 134 mm (5.3 in) over 14 days compared to September's 74 mm (2.9 in) over 10 days. The humidity also increases slightly in March, reaching 87% compared to September's 81%. For more detailed insights into the weather in March, you can check Carouge weather in March.
When comparing the weather in September and April, we notice some distinct differences. September enjoys milder temperatures with a range from a minimum of 3°C (38°F) to a comfortable maximum of 28°C (82°F), while April experiences cooler conditions, with temperatures dipping as low as -6°C (21°F) and peaking at 25°C (77°F). Both months see similar levels of precipitation, with September receiving 74 mm (2.9 in) and April slightly less at 67 mm (2.6 in), albeit over a comparable number of rainy days—10 for September and 9 for April. Additionally, humidity levels are close, with September at 81% and April just a tad higher at 84%. For more insights on the weather conditions in April, you can check out Carouge weather in April.
When comparing the weather in September and May, notable differences emerge in temperature and precipitation patterns. September typically sees a minimum temperature of 3°C (38°F) and an average of 15°C (59°F), peaking at 28°C (82°F), with humidity levels around 81%. In contrast, May experiences slightly cooler minimum temperatures at -1°C (30°F) and an average of 13°C (55°F), while also reaching a maximum of 29°C (84°F). However, May is significantly wetter, with 172 mm (6.8 in) of precipitation over 16 days, compared to September's 74 mm (2.9 in) over 10 days. For more information, check out the details of Carouge weather in May.
In comparing September and June weather, we find notable differences in temperature and precipitation. September experiences a broader range of temperatures, with minimal values around 3°C (38°F) and maximums reaching 28°C (82°F), while the average is a comfortable 15°C (59°F). In contrast, June is warmer overall, with minimums of 6°C (42°F) and maximums soaring up to 33°C (92°F), averaged at 18°C (64°F). However, June also sees higher precipitation levels, totaling 121 mm (4.8 in) across about 14 days, compared to September's 74 mm (2.9 in) over 10 days. Both months have similar humidity levels, around 81% to 82%. For a closer look at specific conditions, you can refer to Carouge weather in June.
When comparing the weather in September and July, notable differences emerge. September tends to feature a wider range of temperatures with a minimum of 3°C (38°F) and a maximum of 28°C (82°F), averaging around 15°C (59°F). In contrast, July is generally warmer, with minimums around 9°C (48°F) and maximums reaching 34°C (93°F), averaging 19°C (67°F). Precipitation levels also vary, with September receiving approximately 74 mm (2.9 in) over 10 days, while July sees a higher total of 110 mm (4.3 in) over 13 days, resulting in slightly similar humidity levels of 81% in September and 82% in July. For more specifics on July weather, you can refer to Carouge weather in July.
In comparing the weather between August and September, we see notable shifts in temperature and precipitation patterns. August typically boasts warmer temperatures, with minimums around 8°C (46°F) and maximums reaching 33°C (92°F), leading to an average of 19°C (66°F). However, this month experiences higher precipitation, totaling 108 mm (4.3 in) over approximately 13 days, along with a slightly lower humidity level of 77%.
In contrast, September offers cooler temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 28°C (82°F), resulting in an average of 15°C (59°F). The month sees less rain, with a total precipitation of 74 mm (2.9 in) spread across about 10 days, while humidity increases to 81%. For a more detailed look at August's weather specifics, you can visit Carouge weather in August.
September typically offers warmer weather compared to October, with average temperatures ranging from a minimum of 3°C to a maximum of 28°C. In contrast, October's temperatures drop significantly, with a minimum of -1°C and a maximum of 22°C. Additionally, September tends to be less humid at 81%, while October sees a rise in humidity to 89%. Precipitation also increases; September receives 74 mm over 10 days, whereas October has 116 mm spread across 11 days. For those planning for the October weather, more details can be found in this link: Carouge weather in October.
September and November exhibit notably different weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (82°F), with an average of 15°C (59°F), offering a generally warm feel. However, November brings a chillier climate, with temperatures dropping to a minimum of -3°C (27°F) and averaging just 5°C (42°F), reaching a maximum of 19°C (66°F). Precipitation also increases from September’s 74 mm (2.9 in) over 10 days to November’s 109 mm (4.3 in) over 13 days, contributing to the month’s higher humidity of 89%. For a more detailed look at what to expect, you can check out Carouge weather in November.
September and December present striking contrasts in weather conditions. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (82°F), with an average of 15°C (59°F). The month experiences about 74 mm (2.9 in) of precipitation over 10 days, paired with a humidity level of 81%. In contrast, December brings much colder temperatures, with a minimum of -9°C (16°F) and a maximum of 13°C (56°F), resulting in an average of just 2°C (37°F). Additionally, December sees significantly higher precipitation, totaling 203 mm (8.0 in) over 18 days and a humidity of 91%. For a deeper look at December weather specifics, check out Carouge weather in December.
As summer gently transitions to fall, September in Carouge offers a unique blend of warmth and crispness. Daytime heats can still peak around 28°C, providing a comforting warmth that's perfect for outdoor activities, while cooler nights remind us of the approaching autumn with temperatures dipping to a refreshing 3°C. In contrast to the rainier months, this period experiences moderate precipitation, combining a mix of sunny days and refreshing rains that keep the environment vibrant and lively. With humidity at a comfortable 81%, September is an ideal time to explore Carouge’s natural beauty. For a deeper understanding of what to expect throughout the year, check out Carouge Climate.