September Weather in Ars-en-Re, France

Last updated: February 26, 2025

Experience the charm of Ars-en-Re in September, where the temperatures create a delightful ambiance for exploration. With maximums reaching 26°C (80°F) and an average of 18°C (65°F), days are pleasantly warm, while cooler nights drop to a refreshing 12°C (54°F). Expect a touch of moisture in the air, as humidity levels hover around 75%. September also brings about 46 mm (1.8 in) of precipitation over approximately 9 days, offering the occasional rain shower that adds to the rejuvenating atmosphere. This picturesque month combines comfortable warmth with the rustic beauty of coastal life, making Ars-en-Re a perfect destination for both relaxation and adventure.

September Temperature in Ars-en-Re

In September, Ars-en-Re experiences a mild transition from the warmth of summer into the cooler embrace of autumn. The average temperature rests at a comfortable 18°C (65°F), with daytime highs reaching up to 26°C (80°F), perfect for lingering outdoors. Nights, however, begin to cool down slightly, dipping to a minimum of 12°C (54°F). This shift marks a notable change from the preceding months, as the lingering warmth continues to invite visitors, while the gradual descent into cooler temperatures hints at the approaching fall. Overall, September presents an ideal blend of warmth and crispness, making it a delightful time to explore this charming coastal locale.

September Weather in Ars-en-Re: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ars-en-Re, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464850545965686865605350
Data source: Temperature data for Ars-en-Re 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 Ars-en-Re

In September, Ars-en-Ré experiences a moderate shift in precipitation patterns, with an average of 46 mm (1.8 in) of rainfall spread over about 9 days. This marks a slight increase from the dryness of summer months, where July and August averaged only 27 mm (1.1 in) and 34 mm (1.4 in) respectively. The transition into autumn is palpable, as precipitation rises significantly in the subsequent months, indicating a shift towards wetter conditions in October and November, where averages soar to 92 mm (3.6 in) and 111 mm (4.4 in). Overall, September serves as a bridge between the arid summer and the impending, more substantial rain of fall, emphasizing the dynamic climate of this coastal locale.

September Precipitation Trends in Ars-en-Re

The chart displays monthly precipitation patterns in Ars-en-Re, 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.
JanFebMarAprMayJunJulAugSepOctNovDec71758134647027344692111142
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ars-en-Re

In September, Ars-en-Re experiences a comfortable humidity level of 75%, marking a slight increase from the summer months, which have seen lower humidity levels of 65% in July and 67% in August. This transition signals the onset of autumn, as humidity levels begin their gradual rise leading into the latter part of the year. Following September, the humidity noticeably escalates in October to 85%, and continues to climb, reaching 88% and 90% in November and December, respectively. Overall, the trend illustrates a shift from the drier summer air back to the moisture-rich atmosphere characteristic of the colder months, making September a delightful and moderately humid prelude to the fall season.

September Average Humidity in Ars-en-Re

This chart illustrates the average monthly humidity levels in Ars-en-Re, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%84%83%81%75%65%67%75%85%88%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ars-en-Re

As summer fades into autumn, September in Ars-en-Re, France, sees a UV Index of 6, signaling a high exposure category. This means that while the days are still warm and enjoyable, sun protection is essential, especially with a burn time of just 25 minutes for unprotected skin. Compared to the intense peaks of July and August, which both reached a UV Index of 9, September offers a slight reprieve yet still demands caution from sun-seekers. As the month progresses, the UV levels begin to mirror those of spring, gradually decreasing towards milder October readings. For more details on how to stay safe under the sun, check out the complete guide at Ars-en-Re UV Index.

Maximum UV Index Levels in Ars-en-Re for September

The chart shows the monthly maximum UV Index (UVI) for Ars-en-Re 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Ars-en-Re 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 Ars-en-Re

As summer gracefully turns to autumn, September in Ars-en-Re, France, offers a delightful blend of warmth and sunshine. Boasting 337 hours of sunlight, this month elegantly follows a peak in July with 419 hours, providing a refreshing transition that softens the summer's intensity. While the daylight hours begin to wane, September's luminosity remains vibrant, significantly overshadowing the dimmer months of October and November. This period is a perfect invitation to bask in the lingering warmth, making it an ideal time for leisurely strolls along the beach or savoring the local cuisine outdoors before the chill of winter settles in.

Monthly Sunshine Duration in Ars-en-Re: September Highlighted

The September sunshine duration represents the total number of hours Ars-en-Re 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.
JanFebMarAprMayJunJulAugSepOctNovDec151h215h298h348h399h404h419h398h337h287h235h196h
Data source: Ars-en-Re September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ars-en-Re During September

As September rolls in, Ars-en-Ré, France, enjoys a promising outlook for sunny weather, with a likelihood of sunshine sitting at 52%. This marks a slight decline from the sunnier days of summer, yet it remains above the early spring and late autumn months. Notably, September continues to hold onto the warmth of summer, ensuring that the chances of clear skies prevail over the cooler, cloudier months ahead. With an average of more than half the month potentially basking in sunlight, it’s a delightful time for beachgoers and outdoor enthusiasts to savor the lingering summer vibes before autumn sets in.

Percentage of Sunny Days in September in Ars-en-Re

The chart illustrates the percentage of sunny days in Ars-en-Re 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 Ars-en-Re experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%32%53%61%40%49%50%57%52%53%41%39%
Data source: Ars-en-Re September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ars-en-Re in September

As summer gracefully transitions into autumn, September in Ars-en-Ré reveals a notable shift in daylight duration. With approximately 12 hours of daylight, the month marks a gentle decline from the 14 hours enjoyed in August. This gradual reduction signals the impending cooler months, as daylight decreases steadily from the peak of 15 hours in June and July. Interestingly, September's sunlight still offers ample opportunity for outdoor exploration, providing a perfect balance between the lingering warmth of summer and the approaching crispness of fall. As daylight hours dip, one can appreciate the beauty of nature's transformation and the serene ambiance that September brings to this charming French locale.

Average Daylight Hours in Ars-en-Re for September

The chart illustrates the variation in daylight duration in Ars-en-Re throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 4m10h 20m11h 56m13h 34m14h 59m15h 42m15h 19m14h 4m12h 29m10h 51m9h 25m8h 40m
Data source: Ars-en-Re daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ars-en-Re

As summer gracefully gives way to autumn, September in Ars-en-Ré brings with it a notable shift in the wind. With an average wind speed of 4.6 m/s (10 mph), the breezes are gentler compared to the more robust winds of earlier months. This marks a distinct decline from July's 5.5 m/s and August's 5.4 m/s, reflecting the transitional nature of this period. While spring and early summer often showcase breezier conditions, September's softer winds invite a serene atmosphere, perfect for leisurely strolls along the coast. As the year progresses, wind speeds begin to reclaim some vigor in October, suggesting a dynamic dance of seasons in this charming French locale.

Average September Wind Speed in Ars-en-Re

The chart displays monthly wind speed patterns in Ars-en-Re, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.96.65.65.46.64.35.55.44.6 m/s5.55.87.0
Data source: Ars-en-Re September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ars-en-Re Compares to Other Months

The weather in Ars-en-Re 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 Ars-en-Re and find detailed weather information for every month.

September and January exhibit stark contrasts in weather patterns. In September, temperatures are much milder, ranging from a minimum of 12°C (54°F) to a maximum of 26°C (80°F), with an average of 18°C (65°F). The humidity sits at a comfortable 75%, and the month experiences moderate precipitation of 46 mm (1.8 in) over about 9 days. Conversely, January turns significantly colder, with minimum temperatures dipping to -1°C (31°F) and a maximum of only 13°C (57°F), averaging just 8°C (47°F). This winter month sees a higher level of precipitation at 71 mm (2.8 in) spread over 13 days, along with increased humidity of 88%. For more insights on the January climate, check Ars-en-Re weather in January.

September and February present strikingly different weather patterns. September enjoys a milder climate with average temperatures ranging from 12°C (54°F) to a maximum of 26°C (80°F), while February's temperatures are considerably lower, with a range from -2°C (28°F) to 15°C (58°F). Precipitation in September is relatively light at 46 mm (1.8 inches) over about 9 days, compared to February, which experiences more frequent rainfall totaling 75 mm (3.0 inches) over 12 days. Additionally, February tends to be more humid, with humidity levels reaching 87%, compared to 75% in September. For more detailed information about February weather, you can check Ars-en-Re weather in February.

September and March present contrasting weather profiles. In September, temperatures range from a mild 12°C (54°F) to a maximum of 26°C (80°F), with an average of 18°C (65°F), complemented by relatively low precipitation of 46 mm (1.8 in) over about nine days. The humidity level is moderate at 75%, creating a comfortable early autumn atmosphere. In contrast, March ushers in cooler temperatures, with minimums dropping to -2°C (28°F) and an average of only 10°C (51°F), peaking at 19°C (66°F). Precipitation increases to 81 mm (3.2 in) across approximately twelve days, paired with higher humidity at 84%, contributing to a wetter and chillier early spring. For more specific details on the monthly climate, check out Ars-en-Re weather in March.

In September, temperatures tend to be warmer, with a minimum of 12°C (54°F) and an average of 18°C (65°F), reaching a maximum of 26°C (80°F). This month experiences about 46 mm (1.8 in) of precipitation over approximately 9 days, with a humidity level around 75%. In contrast, April brings cooler conditions, featuring a minimum temperature of 3°C (38°F) and an average of 12°C (54°F), peaking at 20°C (68°F). It receives slightly less precipitation at 34 mm (1.4 in) across about 7 days, and humidity is higher at 83%. For more detailed insights into the weather in April, you can refer to Ars-en-Re weather in April.

In September, temperatures are generally milder, with an average of 18°C (65°F) compared to May's average of 15°C (59°F). While both months experience a fair amount of precipitation, September receives 46 mm (1.8 in) over 9 days, whereas May sees slightly more at 64 mm (2.5 in) across 10 days. Additionally, humidity levels are a bit lower in September at 75%, compared to May's 81%. Overall, September offers more warmth and slightly drier conditions, making it a pleasant transition into autumn, while May tends to be cooler and wetter. For a closer look at May weather in Ars-en-Re, check out Ars-en-Re weather in May.

When comparing the weather in September and June, we see a few notable differences. Both months share a similar minimum temperature of 12°C (54°F) and an average of 18°C (65°F), but June tends to be warmer overall, with a maximum of 29°C (85°F) compared to September's 26°C (80°F). Additionally, June experiences slightly higher precipitation at 70 mm (2.7 in) over 10 days, while September has 46 mm (1.8 in) over 9 days. Despite the difference in rainfall, both months maintain a consistent humidity level of 75%. For more detailed information, you can check Ars-en-Re weather in June.

In comparing the weather between September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 26°C (80°F), while July features warmer temperatures, averaging between 15°C (59°F) and 28°C (82°F). July also experiences less precipitation, with only 27 mm (1.1 in) falling over about 6 days, compared to September's 46 mm (1.8 in) spread over 9 days. Humidity levels are higher in September at 75%, while July has a more comfortable average humidity of 65%. For a more detailed look at weather conditions during July, you can check Ars-en-Re weather in July.

In comparing the weather of September to that of August, September tends to be slightly cooler, with average temperatures dropping from 20°C (68°F) in August to 18°C (65°F). The maximum temperature in September is also a bit lower at 26°C (80°F), compared to 27°C (81°F) in August. While both months experience some rainfall, September has a higher total precipitation of 46 mm (1.8 in) over 9 days, versus 34 mm (1.4 in) over 7 days in August. Additionally, September exhibits higher humidity levels at 75%, compared to 67% in August, contributing to a more muggy feel as the season transitions. For more details on August weather, you can check Ars-en-Re weather in August.

September typically experiences milder weather with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 26°C (80°F), averaging around 18°C (65°F). The month sees relatively less precipitation, totaling 46 mm (1.8 in) over approximately 9 days, coupled with a humidity level of 75%. In contrast, October brings cooler temperatures, with a minimum of 5°C (42°F) and a maximum reaching 22°C (72°F), averaging 16°C (60°F). This month also witnesses a significant increase in rainfall, accumulating 92 mm (3.6 in) across 13 days and a higher humidity of 85%. For more specific insights into October weather patterns, you can refer to Ars-en-Re weather in October.

September typically boasts milder temperatures, with averages around 18°C (65°F) and maximum highs reaching up to 26°C (80°F). The month experiences moderate precipitation at 46 mm (1.8 in) over about 9 days, and humidity levels average around 75%. In contrast, November sees a notable drop in temperatures, with averages falling to 12°C (53°F) and maximums capping at 18°C (64°F). This month is also wetter, with precipitation increasing to 111 mm (4.4 in) spread over 13 days, and humidity rising to 88%. For more detailed information, check out Ars-en-Re weather in November.

September and December present a stark contrast in weather patterns. In September, temperatures are relatively mild, with minimums around 12°C (54°F) and maximums reaching up to 26°C (80°F), while the month averages a pleasant 18°C (65°F). The humidity sits at 75%, and rainfall is moderate at 46 mm (1.8 in), occurring over 9 days. In contrast, December brings much cooler conditions, with temperatures ranging from a chilly 2°C (37°F) to a maximum of only 14°C (58°F), averaging 10°C (50°F). Precipitation significantly increases to 142 mm (5.6 in) spread over 17 days, and humidity rises to 90%. For more details on December weather in this area, check out Ars-en-Re weather in December.

Compare Ars-en-Re's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ars-en-Re

As summer gently fades into autumn, September in Ars-en-Re offers a delightful transition marked by pleasantly moderate temperatures and a comfortable atmosphere. The month averages around 18°C, providing ideal conditions for outdoor activities, yet it also ushers in a touch of humidity and occasional rainfall, with about nine days experiencing precipitation. This shift in weather not only brings a refreshing change but also allows visitors to enjoy the stunning landscapes in a quieter, more serene setting compared to the bustling peak summer months. For a detailed look at the climate variations throughout the year, explore Ars-en-Re Climate.