Last updated: March 24, 2025
In September, Pre Saint Didier, nestled in the heart of the Italian Alps, experiences a dynamic climate as it transitions from summer to autumn. The maximum temperature hovers around 20°C (68°F), providing mild days ideal for exploration, while the average temperature settles at a chilly 8°C (47°F). As nights cool down, temperatures can dip to a brisk -9°C (16°F). September also brings approximately 70 mm (2.7 in) of rainfall over 13 days, fostering the lush landscapes that define this picturesque region. With humidity levels averaging 73%, visitors can enjoy the crisp mountain air while witnessing the stunning beauty of autumn foliage.
In Pre Saint Didier, Italy, September marks a noticeable transition as summer gives way to the crispness of early autumn. With temperatures averaging 8°C (47°F), the month presents a delightful mix of mild warmth and refreshing coolness. The minimum temperature settles at -9°C (16°F), while highs can reach up to 20°C (68°F), inviting outdoor enthusiasts to explore the stunning alpine landscapes. This shift is apparent compared to the summer months, where temperatures hover around the comfortable range of 12°C to 26°C (54°F to 78°F). As daylight begins to wane, September unveils a beautiful palette of colorful foliage, creating an enchanting backdrop for visitors.
In September, Pre Saint Didier experiences a transition as summer gives way to autumn, reflected in its precipitation patterns. With 70 mm (2.7 in) of rain falling across 13 days, September marks a slight decrease from the wetter months of summer. This shift indicates a gradual reduction in rainfall as the region moves into the drier, cooler months ahead. Interestingly, the number of rainy days remains steady, suggesting that while the intensity of rainfall may diminish, the consistency continues to offer a serenely picturesque atmosphere typical of early autumn in the Italian Alps. As October approaches, the anticipation of increased precipitation with 111 mm (4.4 in) looms, signaling the onset of the more robust rainy season, which calls for cozy gatherings indoors amidst the stunning autumn backdrop.
In September, the humidity in Pre Saint Didier, Italy, settles at a comfortable 73%, marking a slight increase from the drier summer months. This shift reflects a transitional phase as the region moves from the warm, sun-soaked days of August—with its low humidity of 63%—toward the wetter conditions of autumn. Notably, September's humidity is considerably lower than the peak levels seen in the winter months, where figures soar to around 89-91%. As the seasons change, residents and visitors can enjoy the crisp air, while the landscape begins to embrace the lushness brought on by the approaching rain.
In September, Pre Saint Didier experiences a UV Index of 8, maintaining the very high exposure category established in the summer months. With a burn time of just 15 minutes, it's clear the sun's intensity remains significant as autumn approaches. Following the peak summer UV Index of 11 in June, there’s a slight tapering, yet September still demands caution for sun exposure, especially for those enjoying the great outdoors. As we transition into October, the UV Index will decrease to 6, moving into the high exposure category, but September reminds us that sun safety is still essential during this time of the year. For detailed insights into UV levels, visit Pre Saint Didier UV Index.
UV Risk Categories
September in Pre Saint Didier, Italy, ushers in a gentle transition from the sun-drenched summer months, with 329 hours of sunshine painting the landscape in warm hues. This is a notable drop from the peak of 423 hours in July, yet still a generous share of sun, embodying the charm of early autumn. The soft light of September allows for a perfect blend of lingering warmth and the crispness of fall, making it ideal for outdoor escapades. As the days shorten and October approaches, which sees 289 hours of sunlight, the idyllic scenery of the Dolomites begins to shift, inviting visitors to enjoy the changing foliage and tranquil ambiance before winter's embrace.
In September, Pre Saint Didier experiences a 28% chance of sunny weather, marking a slight decline from the peak summer months but still reflecting the region's moderate climatic conditions. This drop is part of a broader trend, as the likelihood of sunshine ebbs and flows throughout the year—starting with a low 21% in January, reaching its zenith in March at 44%, before tapering off slightly by autumn. The summer months of July and August see a higher probability of sunshine, but September acts as a transitional month, hinting at the upcoming fall. Overall, while sunshine may be less certain this time of year, the enchanting landscapes and cooler temperatures still invite visitors to revel in the beauty of the Italian Alps.
In September, Pre Saint Didier, Italy, experiences a delightful transition as daylight begins to wane, offering approximately 12 hours of sunshine. This month marks a subtle shift from the long luminosity of summer, where June and July bask in the glory of 15 hours of daylight. As the region slowly prepares for the chill of autumn, the gradual decrease from the sun-drenched days of August's 14 hours serves as a gentle reminder of the changing seasons. The daylight duration will continue to decline through October, leading to shorter days as winter approaches. This rhythm of diminishing light highlights the enchanting cycle of nature that defines life in this picturesque alpine village.
As summer fades and autumn approaches, September in Pre Saint Didier, Italy, welcomes a gentle shift in its breezy character, with an average wind speed of just 1.0 m/s (2 mph). This subtle decrease marks it as one of the calmest months of the year, contrasting sharply with the more variable breezes of spring and the consistent mildness of late autumn. While earlier months like January and October maintain sturdier gusts of up to 1.5 m/s (3 mph), September’s soft whispers seem to invite reflection and relaxation amidst the stunning alpine backdrop. The overall trend shows a gradual ebb in wind vigor as the seasons transition, making this serene moment a perfect time to enjoy the tranquil beauty of the Italian landscape.
The weather in Pre Saint Didier 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 Pre Saint Didier and find detailed weather information for every month.
In September, the weather is milder, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F) and an average of 8°C (47°F). The month experiences 70 mm (2.7 in) of precipitation over 13 days with a humidity level of 73%. In contrast, January sees much colder conditions, with temperatures dropping to a minimum of -25°C (-14°F), an average of -9°C (15°F), and a maximum of only 5°C (42°F). The winter month is also wetter, with 139 mm (5.5 in) of precipitation spread over 10 days, and humidity rises to 91%. For more details on the weather in January, you can visit Pre Saint Didier weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly -9°C (16°F) to a pleasant 20°C (68°F), with an average of 8°C (47°F). The month sees 70 mm (2.7 in) of precipitation over 13 days and a humidity level of 73%. In comparison, February is significantly colder, with temperatures dipping to a minimum of -22°C (-7°F) and a maximum of just 8°C (46°F), averaging -6°C (22°F). This winter month experiences higher precipitation at 99 mm (3.9 in) over 11 days and an increased humidity of 87%. For more detailed weather information, you can check Pre Saint Didier weather in February.
When comparing the weather in September and March, notable differences emerge in temperatures and precipitation levels. September experiences milder conditions with an average temperature of 8°C (47°F), ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F), while March is significantly colder, averaging -4°C (26°F) with temperatures dipping as low as -25°C (-13°F) and only reaching a maximum of 11°C (51°F). Additionally, March sees higher precipitation at 127 mm (5.0 in) over 15 days, compared to September's 70 mm (2.7 in) over 13 days. Humidity levels are also higher in March at 84%, compared to September's 73%. For a detailed look at March weather patterns, visit Pre Saint Didier weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and humidity. September generally has milder temperatures, with an average of 8°C (47°F) and a maximum of 20°C (68°F), while April is cooler, with an average of 0°C (33°F) and a maximum of 13°C (55°F). Despite both months receiving similar levels of precipitation—around 70 mm (2.7 to 2.8 inches)—April experiences slightly more days of rainfall, occurring over 10 days compared to September's 13 days. Additionally, April tends to be more humid, with a humidity level of 83% compared to September's 73%. For more detailed weather information, you can check Pre Saint Didier weather in April.
When comparing the weather in September and May, it's evident that both months exhibit a range of temperatures and varying precipitation levels. In September, average temperatures range from a chilly minimum of -9°C (16°F) to a pleasant maximum of 20°C (68°F), with an average of 8°C (47°F). The month sees about 70 mm (2.7 in) of precipitation over 13 days, making it relatively mild and less humid at 73%.
In contrast, May experiences cooler temperatures, with a minimum of -14°C (7°F) and an average temperature of 4°C (40°F), peaking at 19°C (66°F). However, it is significantly wetter, with 154 mm (6.1 in) of precipitation over 20 days, and a higher humidity level of 78%. This stark difference in temperature and precipitation highlights May's more unsettled weather compared to September. For additional details on weather conditions during May, please visit Pre Saint Didier weather in May.
When comparing the weather in September and June, we notice a marked difference in both temperature and precipitation patterns. In September, average temperatures range from a low of -9°C (16°F) to a comfortable high of 20°C (68°F), with an average humidity of 73%. The month sees about 70 mm (2.7 in) of precipitation over 13 days, creating a relatively mild yet occasionally wet environment.
In contrast, June offers warmer temperatures with lows of -3°C (27°F) and highs reaching up to 25°C (78°F), and slightly higher average humidity at 75%. However, it experiences more rainfall, averaging 105 mm (4.1 in) across 17 days, resulting in a more humid experience. Overall, while September feels cooler and less humid, June tends to be warmer but wetter, making them distinct in climate. For more details on June weather, you can visit Pre Saint Didier weather in June.
In comparison to July, September experiences cooler temperatures, with a minimum of -9°C (16°F) and an average of 8°C (47°F) compared to July's milder temperatures of 0°C (33°F) minimum and an average of 12°C (54°F). The maximum temperature in September reaches only 20°C (68°F), while July can warm up to a comfortable 26°C (78°F). Additionally, September has lower precipitation levels at 70 mm (2.7 in) across 13 days, compared to July's 102 mm (4.0 in) spread over 16 days. Despite the slightly higher humidity in September at 73%, both months maintain comparable levels of moisture in the air. For more detailed insights into July weather, you can visit Pre Saint Didier weather in July.
In comparing the weather of September and August, September tends to be cooler with average temperatures ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F), while August enjoys milder temperatures, with a minimum of 0°C (33°F) and a maximum of 24°C (75°F). Precipitation levels are higher in August, totaling 100 mm (4.0 in) over 14 days compared to September’s 70 mm (2.7 in) across 13 days. Additionally, September experiences a slightly higher humidity at 73% compared to August's 63%. For more detailed information, you can visit Pre Saint Didier weather in August.
In comparing the weather of September and October, we see a noticeable drop in average temperatures and an increase in humidity. September typically experiences a range of temperatures from a chilly -9°C (16°F) at night to a comfortable 20°C (68°F) during the day, with an average of 8°C (47°F) and 70 mm (2.7 in) of precipitation over 13 days. In contrast, October is cooler, with temperatures ranging from -8°C (17°F) to a maximum of only 16°C (60°F) and an average of 4°C (39°F). Additionally, October witnesses an increase in precipitation, totaling 111 mm (4.4 in) over 12 days, along with a higher humidity level of 89%. For a detailed look at weather patterns, one can refer to Pre Saint Didier weather in October.
The weather in September tends to be milder compared to November, with average temperatures ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F). In contrast, November sees a significant drop in temperatures, with an average low of -23°C (-9°F) and a high of only 12°C (55°F). While September experiences around 70 mm (2.7 in) of precipitation over 13 days, November has a higher precipitation total of 106 mm (4.2 in) spread across 14 days, resulting in increased humidity levels of 90%. For more detailed information, you can refer to Pre Saint Didier weather in November.
September and December showcase a stark contrast in weather conditions. In September, temperatures range from a mild -9°C (16°F) at night to a pleasant maximum of 20°C (68°F) during the day, with an average of around 8°C (47°F). The month sees approximately 70 mm (2.7 in) of precipitation over about 13 days, accompanied by a humidity level of 73%.
In contrast, December brings significantly colder temperatures, with nighttime lows plummeting to -22°C (-7°F) and daytime highs rarely exceeding 4°C (40°F), resulting in an average of -8°C (19°F). This month is also much wetter, receiving 216 mm (8.5 in) of precipitation spread over 17 days, and the humidity rises to a chilly 90%. For a detailed look at December weather specifics, check out Pre Saint Didier weather in December.
As September rolls in, Pre Saint Didier experiences a shift towards cooler temperatures and increased moisture compared to the summer months. With a maximum temperature of around 20°C and an average that dips to a crisp 8°C, this month marks a transition into the fall season. The frequency of rain also escalates, with precipitation recorded on 13 days, making it a noticeably wetter time of year. Adding to the ambiance, the humidity levels linger around 73%, contributing to the refreshing but brisk feel in the air. For a deeper insight into the climate nuances of Pre Saint Didier, consider exploring Pre Saint Didier Climate.