Last updated: February 26, 2025
September in Dinan, France offers a delightful mix of warm days and cool evenings, with maximum temperatures soaring up to 31°C (88°F), while the average temperature hovers around a comfortable 16°C (62°F). Nighttime brings a refreshing minimum of 5°C (41°F), creating a perfect atmosphere for cozy evenings. Visitors should be prepared for some rainfall, as the month accumulates 61 mm (2.4 inches) of precipitation over approximately 10 rainy days, contributing to a humid 79% environment. Overall, September presents an ideal opportunity to explore the charm of Dinan under a changing yet inviting climate.
In September, Dinan experiences a gentle transition from the warmth of summer to the crispness of autumn. The temperatures showcase a delightful range, with minimums around 5°C (41°F) and average highs reaching 31°C (88°F), offering plenty of mild days for exploration. This month features an average temperature of 16°C (62°F), making it an ideal time for outdoor activities amidst the scenic landscapes. As the summer heat gradually fades, visitors can enjoy pleasant mornings and surprisingly warm afternoons, highlighting September as a sweet spot for enjoying the charm of this historic French town.
In September, Dinan experiences a moderate rainfall, with precipitation amounting to 61 mm (2.4 in) over the course of about 10 days. This places September on par with August, reflecting a consistent level of moisture as summer transitions to autumn. Notably, the rainfall is significantly less than the upcoming October, which typically sees an increase in precipitation to 99 mm (3.9 in). The trend suggests that while September offers a relatively balanced climate, it heralds a shift towards the wetter months of the year, making it a pivotal time for observing changing weather patterns in this charming French town.
In Dinan, France, the month of September experiences a humidity level of 79%, marking a slight increase from the lower levels noted during the summer months. The trend throughout the year shows a gradual decline in humidity from a high of 90% in January to a low of 69% in July, before starting to rise again as autumn approaches. By September, humidity levels are still comfortably moderate, providing a refreshing change from the summer heat while hinting at the wetter conditions that follow in the fall, as evidenced by the rise to 89% in October. This transitional period showcases the balance between warm summer air and the impending cooler, more humid months ahead.
As summer gracefully fades into autumn, September in Dinan, France presents a moderate UV Index of 6, signaling a shift from the intense summer sun. With the sun's rays categorized as high exposure, it's important to remain vigilant, as the burn time decreases to 25 minutes—a reminder that even as temperatures cool, skin protection remains essential. This month marks a noticeable drop from the peak UV Index witnessed in July and August, yet it still calls for caution. As the days shorten and the sun's angle changes, understanding these UV trends is crucial for anyone enjoying the beautiful surroundings of Dinan. For detailed insights, check out the Dinan UV Index.
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As summer fades into autumn, September in Dinan, France, offers a delightful transition with 330 hours of sunny skies, making it a perfect time to explore the charming streets without the summer rush. The month enjoys a notable decline from the sun-drenched days of July and May, which boast over 400 hours each, yet it remains significantly brighter than the darker months that follow, such as October with its 270 hours. This gradual tapering of sunlight hints at the onset of cooler days, yet September’s ample sunshine provides a golden opportunity to relish the last warm days of the year, blending the vibrancy of summer with the crispness of autumn in this picturesque French town.
As September rolls into Dinan, France, the likelihood of basking in sunny weather reaches about 40%. This marks a slight uptick from the summer months, where the chances hovered around 37% in August. The gradual rise in sun probability from the lower winter figures, such as the 23% in January, underscores a seasonal shift that many locals and visitors alike eagerly anticipate. Interestingly, while the sunniest weeks in April boast a remarkable 57%, September offers a more balanced climate, providing pleasant days without the sweltering heat of July's peak. Overall, the 40% chance of sunshine in September suggests a delightful opportunity for outdoor adventures amid the charming landscapes of Dinan.
As summer transitions into autumn, September in Dinan, France, witnesses a gentle decline in daylight hours, averaging 12 hours of sunlight. This month marks a shift from the peak illumination experienced in June, which boasts a generous 16 hours. The trend reflects the gradual retreat of long summer days, with daylight steadily diminishing as the year progresses towards winter. In the earlier months, such as April and May, daylight increases significantly, peaking in the warmth of summer before the cycle begins anew. September's mild sunlight invites a unique blend of freshness, making it a beautiful time to explore the charming streets of Dinan as nature prepares for its annual slumber.
As summer fades into autumn, September in Dinan, France greets visitors with a gentle breeze, marked by an average wind speed of 3.4 m/s (8 mph). This slight dip from the summer months reflects a gradual transition in the atmosphere, as the winds calm down compared to the slightly more robust currents of the earlier seasons. Notably, September's winds are the softest of the year, a serene whisper of nature that complements the picturesque medieval charm of the town. As we look back to the preceding months, the average speeds hovered between 3.7 and 4.9 m/s, creating a lively backdrop for summer adventures. However, as autumn beckons, Dinan's whimsical landscape invites a more tranquil experience, perfect for leisurely strolls along its storied streets.
The weather in Dinan 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 Dinan and find detailed weather information for every month.
September's weather showcases a range of temperatures, with a minimum of 5°C (41°F) and a maximum of 31°C (88°F), leading to an average of about 16°C (62°F). The month experiences moderate rainfall of 61 mm (2.4 in) over approximately 10 days, with humidity levels around 79%. In contrast, January presents a much colder climate, where temperatures drop significantly, ranging from a minimum of -7°C (20°F) to a maximum of 16°C (61°F), averaging at 6°C (44°F). The precipitation in January is slightly lower at 54 mm (2.1 in), with rain occurring on around 11 days, and humidity peaks at 90%. For more details on January weather specifics, check out Dinan weather in January.
When comparing the weather in September and February, it becomes clear that September offers warmer temperatures, with an average of 16°C (62°F) and highs reaching up to 31°C (88°F), while February presents a cooler climate, with an average temperature of 7°C (46°F) and a maximum of 20°C (68°F). Additionally, September experiences lower humidity levels at 79%, compared to the higher humidity of 89% in February. Precipitation is slightly more frequent in February, with rain on 13 days contributing to a total of 67 mm (2.6 in), whereas September has precipitation on 10 days totaling 61 mm (2.4 in). For more detailed weather insights, check out Dinan weather in February.
September and March present distinctly different weather patterns. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 31°C (88°F), with an average of 16°C (62°F), allowing for warm days as summer transitions into fall. Precipitation is moderate, with 61 mm (2.4 in) spread over about 10 days, and the humidity sits at a comfortable 79%. In contrast, March experiences colder temperatures, with a minimum of -6°C (22°F) and a maximum of 23°C (74°F), resulting in an average of only 9°C (48°F). Although the precipitation level is similar at 62 mm (2.4 in), it is observed over a slightly higher number of days (13), and humidity climbs to 86%, contributing to a chillier atmosphere. For more detailed insights on March weather, check out Dinan weather in March.
When comparing September and April weather, it is evident that September enjoys warmer temperatures, with average highs reaching up to 31°C (88°F) compared to April's maximum of 26°C (79°F). Both months experience a noticeable amount of precipitation, but September typically sees slightly more with 61 mm (2.4 in) over around 10 days, whereas April has 49 mm (1.9 in) of rain across 9 days. Humidity levels are relatively high in both months, with September at 79% and April a touch higher at 84%. For those interested in more details about April weather specifically, visit Dinan weather in April.
When comparing the weather in September and May, September generally sees warmer temperatures, with a minimum of 5°C (41°F) and an average of 16°C (62°F), compared to May's cooler minimum of 1°C (34°F) and an average of 14°C (57°F). In terms of maximum temperatures, September can reach up to 31°C (88°F), while May has a peak of 29°C (85°F). Precipitation levels are comparable, with September receiving 61 mm (2.4 in) over approximately 10 days and May having 71 mm (2.8 in) across 11 days. Humidity is slightly higher in May at 80%, compared to September's 79%. For more specific information regarding May weather in Dinan, you can visit Dinan weather in May.
September and June both offer a mix of pleasant temperatures and occasional rainfall, but there are some notable differences. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 31°C (88°F), with an average of 16°C (62°F). The month experiences around 61 mm (2.4 inches) of precipitation over approximately 10 days, accompanied by a humidity level of 79%. In contrast, June sees slightly warmer conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 34°C (93°F) and an average of 17°C (63°F). Precipitation is higher in June at about 92 mm (3.6 inches) distributed over 12 days, while humidity remains similar at 80%. For more detailed insights, you can check Dinan weather in June.
In comparing the weather between September and July, we see distinct differences in temperature and humidity. September features a wider range of temperatures, with a minimum of 5°C (41°F) and a maximum of 31°C (88°F), averaging at 16°C (62°F). July, on the other hand, tends to be warmer, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 36°C (97°F), averaging 19°C (66°F). Additionally, September experiences slightly more precipitation, totaling 61 mm (2.4 in) over about 10 days, compared to July's 55 mm (2.2 in) across 9 days. The humidity is also higher in September at 79%, compared to July's 69%. For more detailed insights on July's weather, you can check Dinan weather in July.
In comparing the weather trends of September and August, September experiences slightly cooler temperatures, with a minimum of 5°C (41°F) and an average of 16°C (62°F), while August sees a minimum of 8°C (46°F) and a higher average of 18°C (65°F). The maximum temperature in September reaches up to 31°C (88°F), which is lower than August's peak of 34°C (94°F). Both months have the same total precipitation of 61 mm (2.4 in), but September has rain spread over 10 days compared to August's 11 days, while humidity rises in September to 79%, compared to 73% in August. For a more detailed look at August weather in Dinan, visit Dinan weather in August.
In September, weather conditions show a wider temperature range, with minimums around 5°C (41°F), average highs of 16°C (62°F), and maximums reaching 31°C (88°F). Precipitation is moderate at 61 mm (2.4 in), occurring over approximately 10 days, alongside a humidity level of 79%. In contrast, October brings cooler weather, characterized by a minimum temperature of 4°C (39°F) and an average of 13°C (56°F), with maximums peaking at 24°C (75°F). Rainfall increases to 99 mm (3.9 in) spread across about 13 days, and humidity rises to 89%. For more detailed information on the weather specifics, you can visit Dinan weather in October.
September weather is generally warmer, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 31°C (88°F), averaging 16°C (62°F). In contrast, November sees cooler temperatures, with a minimum of 0°C (32°F), an average of 9°C (49°F), and a maximum of 18°C (65°F). Additionally, November experiences slightly more precipitation, totaling 76 mm (3.0 in) over 13 days, compared to September's 61 mm (2.4 in) over 10 days. Humidity levels also rise in November to 92%, compared to September's 79%. For more detailed information, you can check Dinan weather in November.
September and December present quite contrasting weather experiences. In September, temperatures range from a mild 5°C (41°F) at night to a warm 31°C (88°F) during the day, with an average of 16°C (62°F) and relatively moderate precipitation of 61 mm (2.4 in) over about 10 days. Humidity is somewhat high at 79%, adding a warm feel to the month. In contrast, December sees a significant drop in temperatures, with lows of -3°C (26°F) and highs reaching only 15°C (60°F), averaging 8°C (47°F). This colder month also brings increased precipitation of 107 mm (4.2 in) across approximately 17 days and a higher humidity level of 92%. For more details on December weather specifics, you can visit Dinan weather in December.
September in Dinan ushers in a delightful transition as summer ebbs and autumn begins to make its presence felt. This month typically experiences pleasant temperatures, often reaching a maximum of 31°C (88°F) during the day, while the evenings cool down to a refreshing 5°C (41°F). While the average temperature sits comfortably at 16°C (62°F), the humidity hovers around a relatively high 79%, adding to the seasonal charm. Rainfall becomes more frequent, with approximately 10 days of precipitation totaling 61 mm (2.4 in), signaling the start of a wetter period compared to the drier summer months. For those looking to explore the nuances of Dinan's climate throughout the year, don’t miss out on the detailed insights available at Dinan Climate.