Last updated: February 26, 2025
In September, Ouessant experiences a mild maritime climate characterized by maximum temperatures reaching 22°C (71°F), with an average temperature of 16°C (60°F) and a minimum of 12°C (53°F). This month sees precipitation totaling 49 mm (1.9 in) over approximately 10 days, contributing to a relatively high humidity level of 84%. The blend of comfortable temperatures and occasional rainfall creates a uniquely refreshing atmosphere, making September an ideal time to explore the natural beauty of this charming French island.
September in Ouessant, France, offers a delightful transition from the warm summer days to the refreshing autumn chill. With a minimum temperature of 12°C (53°F) and a maximum reaching 22°C (71°F), the island enjoys a temperate average of 16°C (60°F). This mild climate allows for pleasant outdoor activities, making it an ideal time for exploration. As the month progresses, temperatures slowly begin to dip, reflecting the seasonal shift, yet the warmth of late summer lingers, inviting visitors to savor the beauty of the landscape before the cooler months set in. The gradual transition in temperatures creates a harmonious balance, showcasing the best of both summer and autumn in this picturesque French locale.
In September, Ouessant experiences a moderate shift in precipitation, with 49 mm (1.9 in) of rainfall spread over 10 days. This marks a slight increase from the drier summer months, as August recorded 59 mm (2.3 in) over just 9 days. As autumn approaches, the rain patterns begin to pick up again, setting the stage for the much wetter months ahead, particularly October and November, which boast 122 mm (4.8 in) and 116 mm (4.6 in) of precipitation, respectively. This transition hints at a return to the more frequent rainfall typical of the region, emphasizing the seasonal ebb and flow of Ouessant's climate.
In Ouessant, France, September marks a slight dip in humidity, averaging 84%, which mirrors the level seen in October. This month, like the late summer, maintains the consistent range of 85% observed from June through August, indicating a stable maritime climate where humidity remains relatively high throughout the warmer months. As the year progresses into autumn, we witness a gradual decline from the peak of 85% in late summer to the more moderate levels seen in early autumn. This pattern suggests a transition that blends the lingering warmth of summer with the coolness of fall, creating a unique and comfortable atmospheric experience for residents and visitors alike.
As summer transitions to autumn in Ouessant, France, the UV Index begins to decline from its peak during the warmer months. In September, the UV Index sits at 6, classifying it within the high exposure category, which means you'll want to remain vigilant under the sun, especially during peak hours. Fortunately, the burn time extends to 25 minutes, allowing for a bit more leeway compared to the scorching weeks of July and August, when the index reached a blistering 9. This gradual decrease reflects the natural rhythm of the seasons, making September a great time to enjoy outdoor activities while still being mindful of sun safety. For detailed information on monthly UV levels, visit Ouessant UV Index.
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In September, the charm of Ouessant, France, is illuminated by a delightful 335 hours of sunshine, marking a gentle transition from the exuberance of summer to the crispness of autumn. As summer peaks in July with a vibrant 425 hours, sunlight begins to subtly wane, yet September's rays still bask the island in a warm glow. This month witnesses a gradual decline in daylight, but it still outshines the winter months ahead, offering a final taste of seasonal warmth before the shorter days of fall set in. The upward trend from the damp darkness of winter months—starting from a mere 135 hours in January—culminates in June's peak, illustrating a beautiful cycle where each month gracefully hands over the baton to the next. September’s rich sunlight not only captivates the spirit but also serves as a gentle reminder of the fleeting beauty of summer days.
In Ouessant, France, the likelihood of sunny weather in September offers a pleasant transition from summer to fall, boasting a 44% chance of sunshine. As summer fades, the sun's presence remains relatively strong, with September's probabilities closely mirroring those of the preceding month. This slight decline from August's 45% reflects the general trend of diminishing sunny days as the year progresses, yet it remains a standout month when compared to the winter months, which see chances as low as 20% in January. Overall, September stands as a commendable time for outdoor exploration, capturing the gentle shift of seasons while still promising fair weather.
As summer transitions into autumn, September in Ouessant, France, showcases a notable shift in daylight duration. Following the long, sun-soaked days of June and July, which boast up to 16 hours of daylight, the month naturally settles into a more moderate rhythm with around 12 hours of light. This gradual decrease is characteristic of the season, as daylight wanes in anticipation of the approaching winter months. Compared to August's 14 hours, September marks a clear yet gentle step back, reminding us of the cyclical nature of time and the beauty of changing seasons. As the days grow shorter, the landscape transforms, inviting inhabitants and visitors alike to savor the rich colors and cooler air that define this picturesque time of year.
As autumn approaches, September in Ouessant, France, sees a gentle decline in wind speed, averaging 5.6 m/s (12 mph). This marks a notable shift from the robust gusts of summer, where winds peaked at 6.1 m/s (14 mph) in August. The transition to September signals a gradual cooling, reflecting a broader trend where the wind typically is at its lightest observed in June through September. Yet, as the year draws to a close, October’s winds begin to regain strength, hinting at the impending seasonal change. This rhythmic ebb and flow of wind speeds not only influences the coastal landscape but also gives a foretaste of the energetic weather patterns that will characterize the coming months.
The weather in Ouessant 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 Ouessant and find detailed weather information for every month.
September weather on Ouessant tends to be milder, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 22°C (71°F) and an average of 16°C (60°F). This month experiences relatively moderate precipitation, totaling 49 mm (1.9 in) over about 10 days, with humidity levels at 84%. In contrast, January sees considerably cooler temperatures, with a minimum of 3°C (37°F), an average of 10°C (50°F), and a maximum of 15°C (59°F). Precipitation is more frequent during this month, accumulating to 94 mm (3.7 in) across around 16 days, while humidity is slightly lower at 81%. For a deeper dive into January's weather specifics, check out Ouessant weather in January.
September and February present strikingly different weather patterns. In September, temperatures are milder, with averages around 16°C (60°F), while February experiences much cooler conditions, with an average of only 10°C (50°F). Precipitation levels are also notable; September sees about 49 mm (1.9 in) over 10 days, whereas February has increased rainfall, accumulating to 106 mm (4.2 in) over 16 days. Humidity remains relatively high in both months, with September at 84% and February slightly lower at 83%. For a closer look at February conditions, you can check Ouessant weather in February.
September and March present contrasting weather conditions. In September, temperatures generally range from a mild 12°C (53°F) to a comfortable maximum of 22°C (71°F), with an average of about 16°C (60°F). The month experiences relatively low precipitation at 49 mm (1.9 in) over around 10 days, accompanied by a higher humidity level of 84%. In contrast, March sees a significant drop in temperatures, with minimums falling to -1°C (31°F) and maximums only reaching 14°C (58°F), averaging just 10°C (50°F). This month tends to be wetter, with 81 mm (3.2 in) of rain spread over 16 days, and humidity levels remain comparable at 82%. For more details on the weather during this transitional period, you can explore Ouessant weather in March.
In comparing the weather of September and April, we observe distinct differences in temperature and precipitation patterns. September boasts a milder climate with average temperatures ranging from 12°C (53°F) to a pleasant max of 22°C (71°F), while April's temperatures are cooler, averaging between 6°C (43°F) and 16°C (60°F). Precipitation in September is slightly higher at 49 mm (1.9 in), occurring over about 10 days, compared to April's 41 mm (1.6 in) spread over just 7 days. Humidity levels are similar, with September at 84% and April at 83%. For more detailed insights into April weather, you can check Ouessant weather in April.
Comparing the weather in September and May reveals some interesting differences. September generally enjoys warmer temperatures, with a minimum of 12°C (53°F) and an average of 16°C (60°F), peaking at 22°C (71°F). In contrast, May starts off cooler, with temperatures ranging from a minimum of 9°C (48°F) to an average of 12°C (55°F) and a maximum of 19°C (66°F). Both months experience similar levels of precipitation, approximately 49 mm (1.9 inches) spread over about 10 days. Humidity levels are also comparable, hovering around 84% in September and slightly higher at 85% in May. For more detailed information, you can check Ouessant weather in May.
In comparing the weather of September to that of June, we see some notable similarities and differences. September enjoys slightly higher average temperatures, with a minimum of 12°C (53°F) and a maximum of 22°C (71°F), compared to June's minimum of 11°C (52°F) and maximum of 21°C (71°F). However, June experiences more precipitation, totaling 67 mm (2.6 in) over 10 days, while September has a lower total of 49 mm (1.9 in) across the same number of days. Humidity levels remain comparable, with September at 84% and June at 85%. For more detailed insights into June weather, you can explore Ouessant weather in June.
In comparing the weather of September and July, we find that both months share a similar average temperature of around 16°C (61°F). However, July tends to be slightly warmer, with maximum temperatures reaching 23°C (74°F) compared to September's peak of 22°C (71°F). Precipitation is fairly consistent, with July experiencing 45 mm (1.8 in) over 8 days, while September sees a bit more rain at 49 mm (1.9 in) over 10 days. Humidity levels are also comparable, with September at 84% and July at 85%. Overall, September feels a touch cooler and wetter than July, providing a gentle transition into autumn. For more detailed weather insights, check out Ouessant weather in July.
In comparison to August, September's weather shows a slight drop in minimum temperatures, with September averaging a low of 12°C (53°F) compared to August's 13°C (55°F). Both months share the same average maximum temperature of 22°C (72°F), but September experiences slightly lower overall humidity at 84%, compared to 85% in August. Additionally, September sees a reduction in precipitation, with 49 mm (1.9 in) falling over 10 days, while August had a total of 59 mm (2.3 in) over just 9 days. For more detailed information on August weather patterns, you can refer to Ouessant weather in August.
September typically offers milder weather compared to October, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 22°C (71°F). In contrast, October sees cooler temperatures, with minimums dropping to 8°C (46°F) and maximums reaching only 19°C (66°F). Additionally, October experiences significantly higher precipitation, totaling 122 mm (4.8 inches) over about 15 days, compared to September's 49 mm (1.9 inches) across 10 days. Despite both months having a consistent humidity level of 84%, October is more frequently marked by rainy days. For more detailed insights into the weather in October, visit Ouessant weather in October.
September's weather is generally milder with average temperatures ranging from 12°C (53°F) at night to a comfortable 22°C (71°F) during the day, accompanied by a moderate amount of rainfall totaling 49 mm (1.9 in) over about 10 days. In contrast, November brings cooler temperatures, with averages dipping to a low of 7°C (45°F) and a high of just 16°C (61°F), while experiencing significantly more precipitation at 116 mm (4.6 in) across 18 days. Despite the difference in temperature, November's humidity remains relatively similar at 82%, just slightly lower than September's 84%. For more details on specific weather conditions during this month, you can check Ouessant weather in November.
September in Ouessant boasts milder temperatures, with an average of 16°C (60°F) that ranges from a minimum of 12°C (53°F) to a maximum of 22°C (71°F). The month experiences moderate rainfall, totaling 49 mm (1.9 in) across about 10 days, while humidity remains relatively high at 84%.
In contrast, December sees a drop in temperatures, with averages around 11°C (52°F) and a range from 6°C (43°F) to a maximum of 14°C (58°F). This month is significantly wetter, with precipitation reaching 155 mm (6.1 in) over the course of 21 days, and humidity slightly decreases to 81%. For detailed insights into December weather patterns, check out Ouessant weather in December.
As summer gently fades into autumn, September in Ouessant offers a refreshing transition marked by cooler temperatures and increased moisture. With average highs around a comfortable 16°C (60°F) and a noticeable uptick in humidity levels, this month stands out from the hotter, drier summer months. Expect occasional rain, with precipitation occurring on about ten days, adding to the lush landscape. Despite the brisk conditions, the island’s charm remains, inviting visitors to enjoy its natural beauty. For a deeper understanding of the climatic variations, explore more at Ouessant Climate.