September Weather in Deauville, France

Last updated: February 26, 2025

Experience the captivating September weather of Deauville, France, where daily temperatures showcase a striking maximum of 31°C (89°F) and an average of 16°C (62°F), providing a delightful backdrop for visitors. While the minimum temperature dips to 4°C (40°F), the overall climate remains inviting. Expect 51 mm (2.0 in) of rainfall spread across 11 days, underscoring the region’s characteristic mildness. With an average humidity of 76%, the air feels pleasantly refreshing, making Deauville an ideal destination for those seeking a beautiful blend of sun and occasional showers in early autumn.

September Temperature in Deauville

September in Deauville marks a shifting transition from the warm embrace of summer to the cooler whispers of autumn. With temperatures ranging from a minimum of 4°C (40°F) to a maximum of 31°C (89°F), the month offers a delightful average of 16°C (62°F), making it an ideal time for outdoor activities. Visitors can enjoy pleasantly warm days, perfect for exploring the beach or indulging in the local culture, while cooler evenings hint at the approaching fall. Compared to the sweltering heights of July and August, September presents a refreshing balance, providing a splendid opportunity to savor the lingering warmth before winter sets in.

September Weather in Deauville: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Deauville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434548525764676661554845
Data source: Temperature data for Deauville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Deauville

In September, Deauville experiences a moderate shift in precipitation, with 51 mm (2.0 in) of rainfall spread over 11 days. This marks a notable decrease from the summer months, reflecting a transition as the region moves toward autumn. The rainfall is consistent with the patterns observed in July and August, where total amounts lingered around the low sixties, but September's total is more tempered. Additionally, this trend hints at the onset of deeper autumnal averages, setting the stage for the wetter months ahead, especially October and November, where precipitation tends to rise significantly. Overall, September serves as a gentle reminder of the changing season, balancing enjoyable weather with a sprinkle of rain.

September Precipitation Trends in Deauville

The chart displays monthly precipitation patterns in Deauville, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec5766653473864763517879106
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Deauville

In September, Deauville experiences a notable shift in humidity, with levels averaging around 76%. This represents a significant drop from the summer months, where humidity hit a low of 68% in August, indicating a transition towards the wetter conditions of autumn. As the year progresses, humidity begins to rise again, with October's levels climbing back to 88%, and further increasing into the winter months. This trend highlights how Deauville’s coastal climate features a pattern of decreasing humidity during the summer, only to have the dampness return with the onset of fall, creating a refreshing yet invigorating atmosphere for visitors.

September Average Humidity in Deauville

This chart illustrates the average monthly humidity levels in Deauville, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Deauville

As summer fades into autumn, September in Deauville, France, sees a notable shift in UV Index levels. With an index of 6, the exposure category is classified as high, allowing for a burn time of approximately 25 minutes for unprotected skin. This indicates a decline from the very high levels experienced during the summer months, yet sun safety remains essential. The trend reveals that while beachgoers can still enjoy pleasant, sunlit days, they should remain vigilant about sun protection. As the days grow shorter and cooler, transitioning into October with a moderate UV Index of 4, Deauville’s visitors can continue to bask in the delights of the season while being aware of changing UV conditions. For more details, check out the full information at Deauville UV Index.

Maximum UV Index Levels in Deauville for September

The chart shows the monthly maximum UV Index (UVI) for Deauville in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Deauville September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Deauville

September in Deauville, France, offers a vibrant transition from the sun-drenched summer months to the cooler autumn days. With 322 hours of sunlight, it's a delightful time that bridges the warmth of July and August—both of which boast their peak hours at 421 and 382 respectively. As the summer crowds begin to dwindle, visitors can still relish in the pleasant weather, making it an ideal month for beachside strolls and outdoor cafes. Following September, October’s 266 hours signals the approach of more subdued days, inviting a cherished nostalgia for the sunny days just passed. The progression of light through the year creates a tapestry of changing seasons, with September standing out as a final glow of summer before the embrace of autumn.

Monthly Sunshine Duration in Deauville: September Highlighted

The September sunshine duration represents the total number of hours Deauville experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec127h194h278h354h401h410h421h382h322h266h209h166h
Data source: Deauville September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Deauville During September

In Deauville, France, the chances of sunny weather in September stand at a moderate 38%, which is relatively promising compared to the earlier summer months. While July and August peak at 40% and 35% respectively, September holds onto its summer charm before transitioning into autumn, showing a slight dip from the sunnier days of late spring, where April boasts a 58% chance of sunshine. This September forecast reflects a trend of fluctuating sunlit days throughout the year, with earlier months like March and April suggesting a hopeful transition towards autumn, making September an enticing time for sun-seekers looking to bask in the lingering warmth of late summer.

Percentage of Sunny Days in September in Deauville

The chart illustrates the percentage of sunny days in Deauville throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Deauville experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%26%46%58%36%30%40%35%38%38%31%24%
Data source: Deauville September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Deauville in September

As summer whispers its farewell in September, Deauville, France, experiences a gentle decline in daylight, with approximately 12 hours of sunlight illuminating the charming coastal town. This transition marks a slight dip from August's 14 hours, signaling the approach of autumn. Following the sun-soaked months of June and July, which boast a peak of up to 16 hours of daylight, the early fall days invite a more subdued, tranquil atmosphere. The gradual decrease in daylight from the vibrant 15 hours of May to the mellow 10 hours in October highlights a rhythm of nature, inviting residents and visitors alike to embrace the enchanting beauty of Deauville's changing seasons.

Average Daylight Hours in Deauville for September

The chart illustrates the variation in daylight duration in Deauville throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 41m10h 8m11h 55m13h 45m15h 20m16h 9m15h 43m14h 18m12h 32m10h 43m9h 5m8h 14m
Data source: Deauville daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Deauville

As summer gracefully transitions into autumn, September in Deauville brings a gentle breeze with an average wind speed of 3.1 m/s (7 mph). This marks a noticeable dip from the warmer months, where winds were slightly more vigorous, particularly in May and February. Following a trend of decreasing wind speeds from June through September, the coastal town embraces a softer atmosphere, making it perfect for leisurely strolls along the beach or enjoying outdoor cafés. As we look ahead to October, the winds pick up again, hinting at the seasonal shifts that accompany the cooler months. This rhythm of nature underscores Deauville’s charm, inviting visitors to savor the serene moments as summer wanes.

Average September Wind Speed in Deauville

The chart displays monthly wind speed patterns in Deauville, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.74.13.54.62.73.43.63.1 m/s4.13.44.5
Data source: Deauville September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Deauville Compares to Other Months

The weather in Deauville 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 Deauville and find detailed weather information for every month.

In September, the weather features a broader temperature range, with daily highs reaching up to 31°C (89°F) and a warming average of 16°C (62°F), making it feel much warmer overall. However, this month also experiences a moderate level of humidity at 76% and some rainfall, averaging 51 mm (2.0 in) over 11 days. In contrast, January offers a much colder climate, with temperatures ranging from a chilly -6°C (21°F) at night to a maximum of 16°C (60°F) during the day, resulting in a much cooler average of 6°C (43°F). Interestingly, January sees slightly higher precipitation at 57 mm (2.2 in) over the same number of rainy days but presents a significant increase in humidity at 91%. For more detailed information on January weather conditions in Deauville, you can visit Deauville weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a cool 4°C (40°F) at night to a warm 31°C (89°F) during the day, with an average of 16°C (62°F). The month experiences 51 mm (2.0 in) of precipitation over about 11 days and humidity levels around 76%. In stark contrast, February sees much colder temperatures, with a minimum of -6°C (22°F) and an average of 7°C (45°F), peaking at 19°C (67°F). This month also brings more rain, totaling 66 mm (2.6 in) over approximately 14 days, alongside higher humidity at 89%. For more details on February weather, check out Deauville weather in February.

September and March present a notable contrast in weather conditions. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 31°C (89°F), with an average temperature of 16°C (62°F). The month experiences about 51 mm (2.0 in) of precipitation spread over 11 days, and humidity levels sit at 76%. In contrast, March features cooler temperatures, with lows reaching -7°C (20°F) and highs peaking at 25°C (77°F), resulting in an average temperature of 9°C (48°F). This month sees slightly higher precipitation at 65 mm (2.6 in) over 15 days and increased humidity at 85%. For a more detailed comparison, you can check out Deauville weather in March.

When comparing the weather in September and April, several notable differences emerge. September tends to be warmer, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 31°C (89°F) and an average of 16°C (62°F). In contrast, April starts off cooler, with temperatures dipping as low as -1°C (31°F) and reaching a maximum of 26°C (80°F), averaging around 11°C (52°F). Additionally, September experiences more rainfall, totaling 51 mm (2.0 in) over about 11 days, whereas April has slightly less precipitation at 34 mm (1.3 in) across 8 days. Humidity is also higher in April at 84%, compared to 76% in September, contributing to the overall feeling of freshness during the spring season. For more details on what to expect from the weather in April, you can visit Deauville weather in April.

When comparing the weather in September and May, September typically presents a warmer climate with average temperatures reaching 16°C (62°F) and maximums of 31°C (89°F). In contrast, May has slightly cooler temperatures, averaging at 14°C (57°F) with a maximum of 29°C (84°F). While both months experience a fair amount of precipitation, September sees 51 mm (2.0 in) over 11 days, whereas May has a higher total of 73 mm (2.9 in) across 12 days. Humidity levels are also a bit lower in September at 76%, compared to 82% in May, making September feel slightly more comfortable despite the warm temperatures. For more insights into May's weather conditions, you can check out Deauville weather in May.

In comparing the weather of September and June, it is evident that both months experience a range of temperatures and similar precipitation patterns. September sees minimum temperatures around 4°C (40°F) and averages 16°C (62°F), with a maximum reaching up to 31°C (89°F). In contrast, June starts off warmer, with minimum temperatures at 7°C (45°F) and averages of 18°C (64°F), peaking at a higher maximum of 37°C (98°F). Additionally, June receives more precipitation, totaling 86 mm (3.4 inches) over 11 days compared to September's 51 mm (2.0 inches) over the same number of days. Both months exhibit high humidity, with June at 80% and September slightly lower at 76%. For more detailed insights into June weather, you can check Deauville weather in June.

September and July exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 31°C (89°F), with an average of 16°C (62°F), while July sees warmer temperatures, with a minimum of 9°C (49°F) and a maximum soaring to 39°C (102°F), averaging 19°C (67°F). Precipitation levels are quite similar, with September receiving 51 mm (2.0 in) over 11 days and July slightly lower at 47 mm (1.9 in) over 10 days. Humidity is slightly higher in September at 76%, compared to July's 73%. For more detailed insights, check out Deauville weather in July.

In comparing the weather of September and August, we see notable differences in temperature and humidity. September experiences a wider temperature range, with minimums dipping to 4°C (40°F) and maximums reaching up to 31°C (89°F) compared to August's milder minimum of 8°C (46°F) and highs of 36°C (98°F). Precipitation is slightly less in September, totaling 51 mm (2.0 in) over 11 days, while August sees 63 mm (2.5 in) with precipitation occurring on 12 days. Additionally, September's humidity is higher at 76%, contrasting with the lower 68% in August. For more details on August weather, check out Deauville weather in August.

In September, the weather is relatively warm with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 31°C (89°F), resulting in an average of 16°C (62°F). The month experiences about 51 mm (2.0 in) of precipitation over approximately 11 days, with humidity levels around 76%. In contrast, October brings cooler conditions, featuring a lower average temperature of 13°C (56°F) and a maximum of 25°C (77°F). This month also sees increased precipitation, totaling 78 mm (3.1 in) over 14 days, along with higher humidity levels at 88%. For more detailed information, you can check out Deauville weather in October.

September features a broader temperature range, with minimums around 4°C (40°F) and maximums reaching up to 31°C (89°F), resulting in an average temperature of 16°C (62°F). The month experiences moderate precipitation of 51 mm (2.0 in) over approximately 11 days, coupled with a humidity level of 76%.

In contrast, November sees cooler temperatures, with minimums dropping to -2°C (29°F) and maximums peaking at 19°C (67°F), leading to a lower average of 9°C (48°F). The month is wetter, accumulating 79 mm (3.1 in) of precipitation over around 14 days and a higher humidity of 92%. For more details on the weather in November, check out Deauville weather in November.

In September, the weather presents a warm and varied climate, with temperatures ranging from a cool 4°C (40°F) at night to a pleasant maximum of 31°C (89°F) during the day, accompanied by an average temperature of 16°C (62°F). This month experiences moderate precipitation, totaling 51 mm (2.0 in) over about 11 days, with humidity levels around 76%. In contrast, December brings much cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 16°C (61°F), averaging 7°C (45°F). The month sees higher precipitation at 106 mm (4.2 in) spread across 18 days and increased humidity at 93%. For more details on December weather, you can visit Deauville weather in December.

Compare Deauville's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Deauville

As summer wanes, September in Deauville brings a refreshing shift in weather, moving from the warmth of July and August to a more moderate climate. With average temperatures lingering around 16°C, the days are cooler yet still pleasant, especially compared to the scorching highs often experienced earlier in the season. However, visitors should be prepared for the occasional rainfall, as about 11 days of precipitation can be expected, leading to a relatively humid environment at 76%. This transitional month, with its blend of warmth and light showers, invites exploration of the picturesque landscapes and vibrant atmosphere unique to Deauville. For a deeper dive into what to expect throughout the year, check out Deauville Climate.