Last updated: February 26, 2025
September in Risoul, France offers a refreshing blend of crisp mountain air and stunning alpine scenery. Daily temperatures range from a chilly minimum of -6°C (22°F) to a pleasant maximum of 22°C (72°F), creating an invigorating atmosphere for outdoor enthusiasts. With an average temperature of 9°C (48°F), visitors can enjoy early autumn hikes amidst the vibrant foliage. Although 44 mm (1.7 in) of precipitation is expected over 7 days, the crisp air and breathtaking views more than compensate for the occasional drizzle. Humidity levels sit at a moderate 73%, making this the perfect time to explore the charming landscapes of the French Alps.
In September, Risoul, France, experiences a gentle transition into autumn, where temperatures begin to cool but remain pleasantly mild. With a minimum of -6°C (22°F) and a maximum of 22°C (72°F), the month showcases an average temperature of 9°C (48°F), marking a noticeable drop from the summer highs. This shift signals the end of the warmer months, as typical late summer sun gives way to crisp, fresh air and a chill that hints at the winter to come. The evenings can turn cool, inviting cozy layers, while daytime temperatures still offer perfect conditions for outdoor activities, making September a delightful time to explore the stunning landscapes of this mountainous region.
In September, Risoul experiences a notable transition as the summer warmth gives way to the cooler, wetter autumn months. With a precipitation amount of 44 mm (1.7 in) spread over just 7 days, September marks a slight uptick from the drier, sun-kissed days of August, which recorded only 41 mm. This month serves as a prelude to the more substantial rainfall expected in the following months, such as October and November, which see averages of 95 mm and 114 mm respectively. The steady decline in precipitation from the peak seen in May through July prompts a gradual shift, as September's mild rainfall hints at the changing seasons, inviting both nature and travelers to embrace the beauty of this alpine region.
In Risoul, France, the humidity exhibits a clear pattern throughout the year, creating a dynamic atmosphere for both locals and visitors. After experiencing high humidity levels in the winter months—peaking at 91% in January—the trend gradually decreases until the end of summer, reaching its lowest point in August at 63%. However, as September arrives, humidity begins to rise again to 73%, marking a transition towards the wetter autumn months. This slight uptick hints at the impending return of the crisp, moist air typical of the upcoming seasons, where humidity climbs dramatically once more, reaching 89% in October. Overall, September serves as a bridge between the drier summer and the more humid autumn, making it a unique time in this picturesque alpine region.
As September rolls in, Risoul, France sees a UV Index of 8, indicating a very high level of solar radiation that demands caution. Though slightly lower than the peak indices of summer months like June and July, the burn time remains at just 15 minutes, reminding visitors to stay vigilant. This trend displays a gradual transition from the extreme sun exposure of mid-summer toward more manageable conditions in the upcoming months. Therefore, while outdoor activities are still very much enjoyable, protective measures such as sunscreen, hats, and shade should remain a priority. For more detailed insights on sun safety, check out the Risoul UV Index.
UV Risk Categories
In September, Risoul, France basks in a radiant 338 hours of sunshine, signaling a charming transition from the vibrant summer months to the cooler autumn days. This radiant closure follows a sun-soaked July, which boasts the highest sunshine of the year at 437 hours, while August also offers a generous 404 hours of warm rays. As the days begin to shorten, September’s sunshine remains commendably bright, albeit lower than the peak summer months, yet still much higher than the gray winter returns typical of November and December. With sunlight gradually diminishing, September serves as a perfect backdrop for hiking and outdoor adventures, making it an ideal time to enjoy the natural beauty of the region before the chill sets in.
In Risoul, France, the likelihood of experiencing sunny weather in September stands at 33%, a decrease from the summer peak of 63% in August. This decline marks a return to the more temperate conditions typical of early autumn, reminiscent of earlier months in the year, such as April and May, where the chances of sunshine were similarly subdued. Notably, while September may not boast the sunniest days, it still offers a refreshing respite, hinting at the blend of lingering summer warmth and the crispness of approaching fall. As the year progresses, the likelihood of sunny weather fluctuates, with October showcasing a slight rebound to 47%, rekindling hopes for outdoor adventures in the changing landscape of Risoul.
As summer transitions into autumn, September in Risoul, France, offers a delightful balance of daylight, with approximately 12 hours of sun. This marks a gentle decline from the sun-soaked 15 hours experienced in June and July, showcasing nature's shift towards shorter days. While still basking in the glow of lingering summer warmth, September provides a welcoming respite for outdoor enthusiasts before the daylight dips further in October. This gradual decrease reflects a predictable rhythm through the seasons, where each month crafts its own unique atmosphere, inviting locals and visitors alike to savor the beauty of changing light.
As September unfolds in Risoul, France, the winds begin to soften significantly, with an average speed of just 1.1 m/s (3 mph), marking it as the calmest month of the year. This gentle breeze follows a pattern of fluctuating wind speeds throughout the summer, peaking in both May and July at 1.7 m/s (4 mph). The transition from summer to fall is felt as the winds gradually diminish, hinting at the tranquil, serene beauty characteristic of the autumn months ahead. With this decrease, the vibrant landscapes of Risoul become a perfect backdrop for peaceful reflection and leisurely outdoor activities, offering a refreshing contrast to the busier summer months.
The weather in Risoul 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 Risoul and find detailed weather information for every month.
September and January present strikingly different weather conditions. In September, temperatures range from a minimum of -6°C (22°F) to a pleasant average of 9°C (48°F), peaking at a comfortable 22°C (72°F). The month sees an average precipitation of 44 mm (1.7 in) over about 7 days, with a humidity level of 73%. In contrast, January experiences much colder temperatures, with a minimum of -24°C (-12°F) and an average of -8°C (17°F), only rising to a maximum of 5°C (41°F). This winter month typically has higher precipitation, averaging 65 mm (2.6 in) across 8 days, and a notably higher humidity of 91%. For more detailed information, check out Risoul weather in January.
September and February exhibit strikingly different weather patterns. In September, temperatures range from a minimum of -6°C (22°F) to a maximum of 22°C (72°F), with an average temperature of 9°C (48°F). The month sees around 44 mm (1.7 in) of precipitation distributed over approximately 7 days, alongside a moderate humidity level of 73%. In contrast, February experiences much colder conditions, with temperatures dropping as low as -20°C (-4°F) and peaking at 9°C (49°F), averaging -5°C (23°F). This month is notably wetter, with precipitation totaling 57 mm (2.3 in) over about 9 days, coupled with increased humidity at 87%. For a detailed look at February conditions, you can visit Risoul weather in February.
The weather in September is relatively mild, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 22°C (72°F) and an average of 9°C (48°F). In contrast, March is much colder, featuring a minimum temperature of -21°C (-6°F) and an average temperature of -3°C (26°F), peaking at 10°C (50°F). Additionally, March experiences more precipitation, totaling 93 mm (3.7 in) over approximately 10 days, compared to September's 44 mm (1.7 in) over 7 days. Humidity levels are also higher in March at 84%, compared to 73% in September. For a deeper look at the conditions during March, you can visit Risoul weather in March.
When comparing the weather in September and April, we see distinct differences in temperature and precipitation. September typically boasts a milder climate with average temperatures ranging from a minimum of -6°C (22°F) to a maximum of 22°C (72°F), making it a more pleasant month with lower humidity at 73%. In contrast, April is colder, with average temperatures from a chilly -15°C (6°F) to a maximum of 12°C (54°F) and higher humidity levels at 83%. Additionally, April experiences more precipitation, totaling 85 mm (3.3 in) over about 10 days, compared to September’s 44 mm (1.7 in) spread across 7 days. For a more detailed look at April weather in Risoul, check out Risoul weather in April.
When comparing the weather in September and May, a notable difference in temperature and precipitation emerges. September typically features milder temperatures, with a minimum of -6°C (22°F) and an average of 9°C (48°F), peaking at 22°C (72°F). In contrast, May experiences cooler conditions, with a minimum of -9°C (17°F) and an average of 4°C (40°F), reaching a maximum of 19°C (66°F). Additionally, May sees significantly more rainfall, with 130 mm (5.1 in) over 16 days, compared to September's 44 mm (1.7 in) over just 7 days. Humidity levels are also slightly higher in May at 78%, compared to 73% in September. For more detailed insights into May weather, check out Risoul weather in May.
When comparing the weather in September and June, a few notable differences emerge. September experiences a broader range of temperatures, with a minimum of -6°C (22°F) and a maximum of 22°C (72°F), averaging around 9°C (48°F). In contrast, June has slightly milder conditions, with minimum temperatures around -3°C (28°F) and a maximum reaching 25°C (76°F), resulting in an average of 10°C (50°F). Precipitation levels are also significantly different; June sees about 100 mm (3.9 in) of rain over 16 days, while September has only 44 mm (1.7 in) spread over 7 days, contributing to a more humid atmosphere in June at 75%, compared to September's 73%. For a closer look at this summertime weather, you can check the detailed breakdown here: Risoul weather in June.
When comparing the weather in September and July, September generally experiences slightly cooler temperatures, with a minimum of -6°C (22°F) and an average of 9°C (48°F), while July boasts a higher minimum of 1°C (33°F) and an average of 13°C (55°F). The maximum temperatures are similar, reaching up to 22°C (72°F) in September and 23°C (74°F) in July. However, September is characterized by lower precipitation at 44 mm (1.7 in) over 7 days, compared to July's 61 mm (2.4 in) across 10 days, making September a bit drier overall. Both months feature humidity levels around 72-73%, providing a consistent feel in the air. For a closer look at July weather specifics, check this link: Risoul weather in July.
In comparing the weather between August and September, September tends to be cooler with an average temperature of 9°C (48°F) compared to August's average of 13°C (56°F). The maximum temperature in September reaches 22°C (72°F), slightly lower than August's 24°C (76°F). While September experiences slightly more precipitation at 44 mm (1.7 in) over 7 days, August is not far behind with 41 mm (1.6 in) over 9 days. Additionally, September has a higher humidity level at 73%, compared to 63% in August. For a more detailed look at August weather in this region, you can visit Risoul weather in August.
September typically enjoys milder weather, with temperatures ranging from a low of -6°C (22°F) to a comfortable high of 22°C (72°F), while the average temperature rests around 9°C (48°F). In contrast, October experiences cooler conditions, with minimum temperatures dropping to -12°C (10°F) and an average of just 4°C (40°F), peaking at 19°C (67°F). Additionally, October sees a significant increase in precipitation, totaling 95 mm (3.7 in) over 7 days compared to September's 44 mm (1.7 in), alongside a rise in humidity from 73% to 89%. For more detailed weather insights, you can visit Risoul weather in October.
September weather is generally milder and more pleasant, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 22°C (72°F) and an average of 9°C (48°F). It experiences relatively low precipitation, totaling 44 mm (1.7 in) over about 7 days, and a humidity level of 73%. In contrast, November brings much colder conditions, with temperatures dipping to a minimum of -23°C (-10°F) and averaging -3°C (27°F), peaking at just 13°C (55°F). This month sees significantly higher precipitation, reaching 114 mm (4.5 in) over 13 days, and a notable increase in humidity to 90%. For more details, you can check Risoul weather in November.
In September, the weather is considerably milder, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 22°C (72°F), averaging around 9°C (48°F). Along with an average humidity of 73%, September experiences less precipitation, totaling 44 mm (1.7 in) over approximately 7 days. In stark contrast, December brings much colder conditions, with temperatures dropping significantly to a minimum of -23°C (-10°F) and a maximum of only 3°C (38°F), averaging -7°C (20°F). The humidity rises to 90%, and precipitation increases to 122 mm (4.8 in) occurring over 13 days. For a detailed view of this winter weather, check out Risoul weather in December.
In September, Risoul ushers in a refreshing change from the summer heat, where temperatures begin to cool, marking a transition towards autumn. The days are pleasantly mild, with average highs providing a comfortable backdrop for outdoor activities, while the nights dip to chilly lows that remind you of the approaching winter. With occasional rainfall and moderate humidity, this month is characterized by a balance of sunshine and clouds, setting it apart from the drier, warmer summer months. As nature begins to shift, September in Risoul offers a unique opportunity to experience the landscape in its colorful autumnal glory. For a detailed overview, check Risoul Climate.