Last updated: February 26, 2025
September in Les Andelys, France presents a delightful mix of warm and cool weather, featuring a maximum temperature of 31°C (88°F) and a refreshing average of 16°C (61°F). While the minimum dips to a cool 4°C (40°F), the month is characterized by a moderate humidity level of 76%. Rainfall is relatively mild, with a total of 40 mm (1.6 in) spread over 9 days, making it an ideal time to explore the region's stunning landscapes without the sweltering heat of summer. Embrace the charming ambiance of September as Les Andelys transitions gracefully into autumn.
As September unfolds in Les Andelys, France, the temperatures exhibit a delightful shift from the scorching summer heat to a more temperate climate. The average temperature settles at a comfortable 16°C (61°F), making it an ideal month for outdoor activities. The mercury, however, can still peak at a warm 31°C (88°F), allowing for those last lingering days of summer enjoyment. As the month progresses, the nights cool off with minimum temperatures dropping to 4°C (40°F), hinting at the approaching fall. This gradual transition is perfect for exploring the stunning landscapes and historic sites without the summer crowds, offering both warmth and a gentle reprieve from the heat.
In September, Les Andelys experiences a subtle transition in its weather patterns, marked by 40 mm (1.6 in) of precipitation spread over 9 days. This amount reflects a slight decrease from the summer months, creating a refreshing shift as autumn approaches. The consistency of rainfall this month hints at the changing seasons, just after the wetter summer months of May and June, which typically deliver 80 mm (3.2 in) and 71 mm (2.8 in), respectively. As the year progresses, the precipitation begins to pick up again in October, reaching 79 mm (3.1 in), making September a brief interlude of lighter rainfall before the onset of heavier autumn showers.
As summer transitions to autumn, September in Les Andelys brings a noticeable change in humidity levels. While the month retains some of the summer's warmth, with humidity averaging 76%, it's a decline from the peak 68% seen in August. This subtle shift marks the beginning of a gradual increase in moisture as the year progresses; humidity levels will steadily rise, reaching 88% in October and peaking at 93% by December. The trend reflects the natural ebb and flow of the seasons, where the crispness of fall invites a return to the more humid conditions typical of winter in this charming French town.
As summer transitions to fall in Les Andelys, France, the UV Index experiences a notable decline. In September, the UV Index stands at 6, categorized as high, which allows for a burn time of 25 minutes under direct sunlight. This marks a shift from the peak levels of August and July, where the index reached 8. Despite the cooler weather of the upcoming months, sun safety remains crucial, as the UV levels in September still pose a risk for unprotected skin. Following this, we can expect a moderate UV Index of 4 in October. For those navigating the nuances of sun safety throughout the year, insightful details can be found in the Les Andelys UV Index.
UV Risk Categories
September in Les Andelys, France, offers a delightful blend of warmth and sunlight, basking in 320 hours of brightness. This month stands as a gentle transition, showcasing a comfortable decline from the summer peak of 407 hours in July and June. As autumn approaches, the daily sunlight begins to wane, yet September still exudes a vibrant energy reminiscent of the earlier months. Following a progressive rise from 126 hours in January to 389 hours in May, the sunlit days of September invite leisurely strolls along the Seine, making it a perfect time to savor the lingering warmth before the cooler days of October, which then drop to 263 hours. The rhythm of the seasons in Les Andelys creates a captivating tapestry of sunlight that beckons explorers and introspective travelers alike.
In September, Les Andelys experiences a 38% chance of sunny weather, a slight uptick compared to the summer months, where the odds hover around 35%. As the region transitions from the heat of summer to the coolness of autumn, the sun still graces the town, albeit less frequently than in earlier months like April, which boasts a 56% likelihood. This makes September a great time to enjoy outdoor activities, as the weather can still be pleasantly warm with the occasional sunny day, bridging the seasonal shift while offering a glimpse of fall. Yet, it’s wise to prepare for variability, as the ensuing months show a steady decline in sunshine potential.
As September unfolds in Les Andelys, France, daylight begins to wane, with approximately 12 hours illuminating the day. This marks a gradual transition from the sun-drenched peak of summer, where June enjoyed a generous 16 hours of daylight, to the crisper, shorter days of autumn. The month follows a noticeable trend, declining from July's 15 hours and August's 14 hours, illustrating the shift in seasons. By October, daylight further diminishes to 10 hours, reminding residents to savor the last golden rays of the lingering summer light before winter's embrace restricts them to just 8 hours by December. This ebb and flow of sunlight paints a vivid picture of life in this picturesque French town as it dances through the changing seasons.
As September arrives in Les Andelys, the gentle whispers of the wind begin to calm, with an average speed of 2.9 m/s (6 mph)—making it one of the more tranquil months of the year. Following the higher winds of late spring and early summer, which often peaked at 4.3 m/s (10 mph), September transitions into a notably softer breeze. This decline in wind speed signals the approach of autumn, inviting leisurely strolls along the Seine while the landscape begins its shift to vibrant fall hues. Compared to the brisker months just preceding it, September's mild winds offer a serene backdrop, perfect for savoring the lingering warmth of late summer days.
The weather in Les Andelys 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 Les Andelys and find detailed weather information for every month.
In September, temperatures in Les Andelys range from a mild 4°C (40°F) at night to a warm 31°C (88°F) during the day, with an average of 16°C (61°F). The month sees about 40 mm (1.6 in) of precipitation over approximately 9 days, accompanied by a humidity level of 76%. In contrast, January presents a much colder climate, with minimum temperatures dropping to -7°C (20°F) and a maximum reaching only 14°C (58°F), resulting in an average temperature of 5°C (41°F). Precipitation in January increases slightly to 57 mm (2.2 in) over 10 days, and the humidity is notably higher at 91%. For more detailed weather information, check Les Andelys weather in January.
In September, the weather typically features a wider temperature range, with minimums around 4°C (40°F) and maximums reaching up to 31°C (88°F), making it a warmer month overall with an average temperature of 16°C (61°F). Precipitation is moderate at 40 mm (1.6 in), occurring over about 9 days, and humidity levels are relatively comfortable at 76%.
In contrast, February is much cooler, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 19°C (66°F), leading to an average temperature of just 6°C (43°F). This month experiences higher precipitation levels at 67 mm (2.6 in) across approximately 12 days, combined with elevated humidity at 89%. For more specific insights into February weather, you can refer to Les Andelys weather in February.
In comparing the weather of September and March, we observe notable differences in temperature and precipitation. September features a wider temperature range, with minimums of 4°C (40°F), averages around 16°C (61°F), and highs reaching up to 31°C (88°F). With a total precipitation of 40 mm (1.6 in) over about 9 days, humidity levels are relatively moderate at 76%. In contrast, March experiences cooler conditions, with minimum temperatures dropping to -8°C (18°F), an average of 8°C (46°F), and maximums peaking at 23°C (74°F). The month is also wetter, with 76 mm (3.0 in) of precipitation spread across 15 days and higher humidity levels at 85%. For a more detailed look, check out Les Andelys weather in March.
September and April showcase distinct weather patterns, reflecting the transition from summer to autumn and winter to spring, respectively. September tends to be warmer, with temperatures ranging from a cool 4°C (40°F) to a high of 31°C (88°F), while April experiences a chillier range from -3°C (27°F) to a comfortable 26°C (79°F). Both months are relatively wet, with September receiving 40 mm of rain over about 9 days, and April slightly less at 36 mm over 7 days, though April's humidity is slightly higher at 84% compared to September's 76%. For a detailed look at April weather, you can visit Les Andelys weather in April.
When comparing the weather in September and May, it’s clear that September generally enjoys warmer temperatures, with a minimum of 4°C and an average of 16°C, peaking at 31°C. In contrast, May tends to be cooler, with temperatures starting at a minimum of 0°C and averaging 13°C, reaching a maximum of 27°C. Additionally, September experiences less precipitation, with 40 mm over 9 rainy days, while May sees higher rainfall at 80 mm spread over 13 days. The humidity levels are relatively high in both months, with September at 76% and May slightly higher at 82%. For more detailed information, you can check Les Andelys weather in May.
Comparing the weather in September and June reveals distinct differences in temperature and precipitation patterns. September experiences temperatures ranging from a cool 4°C (40°F) to a warm 31°C (88°F), with an average of 16°C (61°F). In contrast, June typically sees slightly warmer temperatures, with a minimum of 6°C (43°F) and a maximum of 34°C (94°F), averaging at 18°C (64°F). Additionally, June tends to have more rainfall, with 71 mm (2.8 in) expected over 11 days, compared to September's 40 mm (1.6 in) over 9 days. Humidity levels are also slightly higher in June at 80%, while September has a humidity level of 76%. For a more detailed look at weather specifics, you can visit Les Andelys weather in June.
In comparing the weather of September and July, we notice notable differences in temperature and humidity. September experiences cooler temperatures with a minimum of 4°C (40°F) and an average of 16°C (61°F), while July is warmer, showcasing a minimum of 8°C (48°F) and an average of 19°C (67°F). The maximum temperatures in July can reach up to 39°C (103°F), significantly higher than September's peak of 31°C (88°F). Both months have similar precipitation levels, with September receiving 40 mm over 9 days and July slightly higher at 42 mm over 8 days. Interestingly, September has a higher humidity level of 76% compared to July's 73%. For more insights into July's weather, you can explore Les Andelys weather in July.
In September, the weather in Les Andelys shows a notable shift compared to August. While the minimum temperature drops to 4°C (40°F) in September, the average and maximum temperatures are also lower at 16°C (61°F) and 31°C (88°F), respectively, compared to August's 7°C (44°F) minimum, 19°C (66°F) average, and a peak of 36°C (98°F). Precipitation in September is lighter at 40 mm (1.6 in) over 9 days, whereas August experiences more rain—63 mm (2.5 in) spread over 10 days. Additionally, September's humidity of 76% is higher than August's 68%, contributing to a more muggy feel as autumn approaches. For more detailed information on August weather, you can check Les Andelys weather in August.
In comparing the weather patterns of September and October, it's clear that October tends to be cooler and wetter. September showcases a wider temperature range, with minimums around 4°C (40°F) and maximums reaching up to 31°C (88°F), averaging 16°C (61°F). In contrast, October's temperatures drop, with a minimum of 2°C (36°F), an average of 12°C (55°F), and a maximum of 25°C (77°F). Precipitation also increases significantly in October, with 79 mm (3.1 in) falling over 12 days, compared to September's 40 mm (1.6 in) over 9 days. The humidity rises from 76% in September to a more humid 88% in October, making the latter month feel considerably damp. For specific details on weather conditions during October, you can refer to Les Andelys weather in October.
September and November present a stark contrast in weather conditions. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 31°C (88°F), with an average of 16°C (61°F). The month is relatively warm and sees about 40 mm (1.6 in) of precipitation over roughly 9 days, coupled with a humidity level of 76%. In contrast, November is much cooler, with temperatures dipping as low as -2°C (29°F) and peaking at 18°C (65°F), averaging only 8°C (46°F). This month experiences greater precipitation, measuring 72 mm (2.8 in) across 12 days, and a higher humidity at 92%. For those interested in the specific weather patterns for this month, I recommend visiting Les Andelys weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 31°C (88°F), with an average of 16°C (61°F) and relatively low precipitation of 40 mm (1.6 in) over about 9 days. Humidity levels are moderate at 76%, creating a warm and pleasant atmosphere. In contrast, December sees much chillier temperatures, with a minimum of -3°C (26°F) and a maximum of 15°C (59°F), averaging around 6°C (43°F). The month is significantly wetter, accumulating 105 mm (4.1 in) of rainfall over 17 days, and the humidity rises to a high of 93%, contributing to a much colder and damp climate. For more details on the December weather, visit Les Andelys weather in December.
As summer transitions into autumn, September in Les Andelys offers a delightful mix of warm days and cool evenings, setting it apart from the preceding months. The average temperature begins to drop, allowing locals and visitors alike to enjoy the refreshing chill that follows the heat of summer. While there may be an increase in precipitation, with about a week of rain, the overall ambiance is still inviting, making outdoor activities enjoyable. The combination of moderate humidity and decreasing temperatures creates a picturesque backdrop for exploring this charming town. For a deeper insight into the seasonal patterns and nuances of weather in this region, be sure to check out Les Andelys Climate.