Last updated: February 26, 2025
September in Vallon-Pont-d'Arc, France is characterized by a delightful mix of late-summer warmth and the early signs of autumn. With maximum temperatures soaring to 34°C (93°F) and an average of 20°C (68°F), visitors can enjoy pleasant days ideal for outdoor activities. The cooler nights, dipping to a minimum of 8°C (47°F), provide a refreshing contrast. While the month sees 52 mm (2.1 in) of precipitation spread over about 6 days, the overall humidity hovers around 72%, creating a slightly humid atmosphere. This combination makes September a captivating time to explore the natural beauty and charm of Vallon-Pont-d'Arc.
In September, Vallon-Pont-d'Arc transitions into a delightful early autumn, showcasing a comforting climate that balances warmth and coolness. With average temperatures hovering around 20°C (68°F), it’s a pleasant reprieve from the summer heat, yet the maximums can still reach up to 34°C (93°F), offering sunny days perfect for outdoor adventures. The minimum temperature settles at a mild 8°C (47°F), indicating cooler evenings ideal for cozy gatherings. This month's trends highlight a gradual decline from the sweltering summer highs, making it an inviting time to explore the beautiful landscapes while enjoying the vibrant hues of fall. Through its dynamic range, September in Vallon-Pont-d'Arc undeniably captivates with a blend of warmth and the crisp beginnings of autumn.
In September, Vallon-Pont-d'Arc experiences a moderate precipitation level of 52 mm (2.1 in), continuing the trend of relatively low rainfall seen in the summer months of July and August. With rainfall occurring on only 6 days, this month serves as a gentle transition into the wetter season that follows. Compared to the heavier downpours recorded from October onward, September holds its own in balancing the dry warmth of summer with an inviting hint of autumn moisture, heralding a shift in the landscape just before the vibrant fall colors emerge. This month’s precipitation sets the stage for the lush fall scenery, while still allowing ample opportunity for outdoor activities under the pleasantly crisp September skies.
In September, Vallon-Pont-d'Arc experiences a slight uptick in humidity levels, reaching 72%. This marks a transition from the typically drier summer months of July and August, which recorded humidity at 68% and 61%, respectively. As autumn approaches, the air becomes a bit more saturated, suggesting a shift towards the wetter conditions that characterize the later part of the year. Interestingly, this rise in humidity foreshadows a return to the higher levels seen in October and November, where humidity levels soar to 88% and 91%. Overall, September serves as a bridge, smoothing the passage from the warm, arid summer to the cooler, more humid autumn season.
In September, Vallon-Pont-d'Arc transitions from the peak summer sun with a UV Index of 7, marking a shift to a high exposure category, which allows for a burn time of 25 minutes. This decrease from the very high indices of July and August highlights the gradual cooling of autumn, yet caution is still warranted as UV levels remain significant. Comparatively, April's moderate levels now seem a distant memory, giving way to more intense solar exposure as locals and visitors enjoy the lingering warmth of late summer. As the month progresses, it's essential to stay informed about daily UV fluctuations to safely enjoy outdoor activities. For more detailed information, check the Vallon-Pont-d'Arc UV Index.
UV Risk Categories
In Vallon-Pont-d'Arc, France, September marks a delightful transition as the summer's warmth slowly gives way to the crispness of autumn. With 340 hours of sunshine, this month enjoys a vibrant glow, basking in the afterglow of July's peak at 436 hours. The trend of abundant sunlight persists from late spring through summer, peaking in June and July before gradually tapering off. While September experiences a noticeable decline, it still retains more sunshine than the cooler months ahead, like October's 289 hours. This pattern suggests a lingering warmth in the air, inviting visitors to revel in the enchanting beauty of the region's natural landscapes before the winter chill sets in.
In Vallon-Pont-d'Arc, September offers a 46% chance of sunny weather, marking a transition towards more stable conditions as summer gives way to autumn. While this percentage is lower than the sun-kissed days of August, which boasts a high of 70%, it still presents plenty of opportunities for outdoor activities. Notably, the weather begins to improve in October with a 58% chance of sunshine, suggesting that early autumn can still grace visitors with pleasant and enjoyable days. As the summer warmth lingers, September is a lovely time to explore the stunning landscapes, even if the sun isn’t guaranteed to shine brightly every day.
As summer draws to a close in Vallon-Pont-d'Arc, France, September marks a gentle transition, offering approximately 12 hours of daylight. This month signifies a slight decrease from the vibrant 15 hours enjoyed during the peak of summer, reflecting the gradual shift towards autumn. The daylight duration begins to mirror that of April, hinting that nature is preparing for the cooler months ahead. With an abundant 12-hour window, September remains a cherished time for outdoor activities, where the lingering warmth of summer meets the crisp anticipation of fall. Following this, October will bring a notable drop to 10 hours, emphasizing the steady retreat of daylight as the seasons change.
As summer transitions into autumn, September in Vallon-Pont-d'Arc brings a noticeable shift in weather patterns, particularly in wind speed. With an average of 2.3 m/s (5 mph), September is marked by gentler breezes compared to the more robust winds of the preceding months. This decline from the summer's 3.1 to 3.4 m/s highlights a calming effect as nature begins to prepare for the cooler months ahead. Interestingly, the wind picks up again in October, restoring the average to 3.7 m/s (8 mph). Such trends underscore the rhythmic change in Vallon-Pont-d'Arc's climate, where the whispers of September winds hint at the crispness that fall will soon bring.
The weather in Vallon-Pont-d'Arc changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Vallon-Pont-d'Arc and find detailed weather information for every month.
September and January present strikingly different weather patterns. In September, temperatures range from a mild 8°C (47°F) at night to a warm average of 20°C (68°F), peaking at 34°C (93°F) during the day, accompanied by moderate humidity at 72%. With 52 mm (2.1 in) of precipitation over about 6 days, the month tends to be relatively pleasant. In contrast, January is much cooler, with temperatures dropping to a minimum of -5°C (23°F) and averaging just 5°C (42°F), reaching a maximum of 17°C (62°F). The humidity is higher at 91%, and precipitation is slightly increased to 53 mm (2.1 in) spread across 8 days, leading to a chillier and wetter atmosphere. For a closer look at January weather specifics, you can check Vallon-Pont-d'Arc weather in January.
September and February present distinctly different weather patterns. In September, temperatures range from a mild 8°C (47°F) to a warm 34°C (93°F), with an average of 20°C (68°F) and relatively moderate humidity at 72%. The month sees about 52 mm (2.1 in) of precipitation over approximately 6 days. In contrast, February experiences much colder temperatures, ranging from a low of -7°C (19°F) to a high of 22°C (72°F), with an average of only 8°C (46°F). Despite slightly lower precipitation at 49 mm (1.9 in), it occurs over 7 days and is accompanied by higher humidity at 88%. To learn more about the specific weather conditions in February, visit Vallon-Pont-d'Arc weather in February.
In comparing the weather of September and March, we see notable differences in temperature and precipitation patterns. September boasts a much warmer climate, with average temperatures reaching 20°C (68°F) and highs soaring up to 34°C (93°F), while March is significantly cooler, with an average of only 10°C (50°F) and lows dipping to -8°C (19°F). Additionally, September experiences lower precipitation levels at 52 mm (2.1 in) over roughly 6 days, compared to March’s wetter conditions, which bring 107 mm (4.2 in) of rainfall spread over 8 days. Furthermore, humidity in March is higher at 84%, compared to September's 72%. For a more detailed insight into the specifics of March weather, check out the link: Vallon-Pont-d'Arc weather in March.
When comparing the weather in September and April, we see notable differences in temperature and precipitation. September boasts a broader temperature range with minimums of 8°C (47°F) and maximums reaching up to 34°C (93°F), while April starts much cooler, with lows dipping to -1°C (30°F) and highs peaking at 27°C (80°F). Precipitation levels also vary significantly—September receives an average of 52 mm (2.1 in) over approximately 6 days, whereas April experiences much wetter conditions with 100 mm (3.9 in) across 9 days. Additionally, humidity is slightly higher in April at 81% compared to 72% in September. For a more detailed look at April's weather, you can visit Vallon-Pont-d'Arc weather in April.
When comparing the weather in September and May, we see notable differences in temperatures and precipitation patterns. September tends to be warmer, with average temperatures reaching 20°C (68°F) and maximums of 34°C (93°F), while May has a cooler average of 17°C (63°F) and similar maximum temperatures of 33°C (92°F). However, May experiences significantly more rainfall, averaging 109 mm (4.3 in) over 10 days, compared to September's 52 mm (2.1 in) over just 6 days. Additionally, humidity levels are slightly higher in May at 77%, compared to 72% in September. For more detailed insights, check out the Vallon-Pont-d'Arc weather in May.
In comparing the weather of September and June, both months exhibit a similar range of temperatures with minimums around 8°C (47°F). However, June tends to be slightly warmer on average, with an average temperature of 22°C (71°F) compared to September's 20°C (68°F). June also boasts a higher maximum temperature, reaching up to 40°C (105°F), while September's peak is 34°C (93°F). In terms of precipitation, both months are fairly close, with June receiving 58 mm (2.3 inches) over 7 days, while September sees 52 mm (2.1 inches) across 6 days. Humidity levels are also comparable, with June at 76% and September at 72%. For more detailed insights, you can check Vallon-Pont-d'Arc weather in June.
In comparing the weather between September and July, notable differences emerge in temperature and overall climate. September experiences a minimum temperature of 8°C (47°F) and an average of 20°C (68°F), while July enjoys milder nights with a minimum of 11°C (52°F) and a warmer average of 24°C (76°F). Additionally, the maximum temperature in July can reach as high as 37°C (100°F), significantly hotter than September’s peak of 34°C (93°F). Precipitation levels are quite similar, with September receiving 52 mm (2.1 in) and July at 46 mm (1.8 in), both spread across about six days of rain. Humidity is slightly higher in September at 72%, compared to July's 68%. For those interested in specific conditions, more details can be found here: Vallon-Pont-d'Arc weather in July.
In September, the weather begins to transition from the peak summer heat of August, with average temperatures dropping from a warm 24°C (75°F) in August to a milder 20°C (68°F). The maximum temperatures in September reach 34°C (93°F), compared to a hotter 37°C (99°F) in August, indicating a gradual cooling. Additionally, September experiences a slight increase in precipitation, with 52 mm (2.1 in) over 6 days, compared to 45 mm (1.8 in) over 5 days in August. The humidity also rises from 61% in August to 72% in September, contributing to a more muggy feel as the month progresses. For further details on the weather trends, check Vallon-Pont-d'Arc weather in August.
In September, the weather is characterized by warmer temperatures, with a minimum of 8°C (47°F) and an average of 20°C (68°F), peaking at a high of 34°C (93°F). The month sees relatively moderate rainfall, accumulating 52 mm (2.1 in) over 6 days, and maintains a humidity level of 72%.
In contrast, October brings cooler conditions, with temperatures dropping to a minimum of 3°C (37°F) and an average of 15°C (58°F), reaching a maximum of 27°C (81°F). The precipitation also increases significantly to 151 mm (6.0 in) over 8 days, along with a rise in humidity to 88%. For more details on the October weather, you can check Vallon-Pont-d'Arc weather in October.
In September, the weather is generally warmer, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 34°C (93°F) and an average of 20°C (68°F). This month experiences relatively moderate precipitation, totaling 52 mm (2.1 in) over about 6 days and an average humidity of 72%. In contrast, November brings a notable drop in temperatures, with averages around 9°C (49°F), minimums dipping to -2°C (28°F), and maximums reaching only 19°C (67°F). Additionally, November is much wetter, accumulating 157 mm (6.2 in) of rainfall over 11 days and a higher humidity level of 91%. For further details on November weather in Vallon-Pont-d'Arc, you can check this link: Vallon-Pont-d'Arc weather in November.
In September, Vallon-Pont-d'Arc experiences mild to warm weather, with average temperatures around 20°C (68°F) and maximums reaching up to 34°C (93°F). The month sees some precipitation, with about 52 mm (2.1 in) falling over 6 days, accompanied by a moderate humidity level of 72%. In contrast, December brings a significant drop in temperatures, where averages plummet to around 6°C (44°F), and nighttime lows can dip to -4°C (25°F). The winter month is wetter, with 107 mm (4.2 in) of rain spread over 13 days and higher humidity at 92%. For more detailed insights on December weather, check out Vallon-Pont-d'Arc weather in December.
As summer gracefully transitions into autumn, September in Vallon-Pont-d'Arc presents a delightful shift in weather. With temperatures averaging a comfortable 20°C (68°F), visitors can enjoy mild days and cooler nights. The warmth of the sun is often accompanied by a slight increase in humidity, creating a cozy atmosphere perfect for outdoor activities. Although there is a modest amount of 52 mm of precipitation spread over 6 days, this typically doesn’t deter the adventurous spirit of those exploring the stunning landscapes. Compared to the sweltering heat of July and August, September offers a refreshing reprieve, making it an ideal time to experience the charm of this picturesque region. For a deeper dive into the seasonal variations, check out the detailed Vallon-Pont-d'Arc Climate.