September Weather in Chatelaillon-Plage, France

Last updated: February 26, 2025

September in Chatelaillon-Plage, France offers a delightful blend of warmth and refreshing breezes. With maximum temperatures reaching up to 35°C (95°F), the average hovers around a pleasant 19°C (66°F), while cooler nights can dip to a refreshing 7°C (45°F). However, don't forget your umbrella; this month experiences approximately 41 mm (1.6 in) of rain over 9 days, contributing to a humidity level of 76%. Embrace the charm of early autumn along the beautiful coastline as the weather transitions, making it an ideal time for exploration and relaxation.

September Temperature in Chatelaillon-Plage

In September, Chatelaillon-Plage experiences a delightful transition as summer begins to wane. With average temperatures around 19°C (66°F), the warmth of late summer lingers, while nighttime lows dip to a comfortable 7°C (45°F). This month showcases a striking range, with maximum temperatures reaching as high as 35°C (95°F), reminiscent of the peak summer heat. As the days shorten and cooler breezes begin to sweep through, visitors can still enjoy the lingering sunshine and pleasant conditions before autumn takes hold. The moderate weather makes September an ideal time for beach outings, outdoor dining, and exploring the stunning coastal landscapes of this charming French town.

September Weather in Chatelaillon-Plage: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Chatelaillon-Plage, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444750556167717066585047
Data source: Temperature data for Chatelaillon-Plage 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 Chatelaillon-Plage

In September, Chatelaillon-Plage experiences a gentle transition in weather, with an average precipitation of 41 mm (1.6 in) over 9 days. This marks a slight increase from the drier summer months of July and August, which recorded just 29 mm and 26 mm, respectively. As the days grow shorter and cooler, the frequency of rain begins to pick up, paving the way for the wetter autumn months ahead. Interestingly, the total precipitation in September is still significantly lower than the upcoming months, with October and November expected to see notably higher totals of 83 mm (3.3 in) and 93 mm (3.7 in). This month serves as a gentle reminder of summer's fading warmth, setting the stage for the more rain-soaked days that lie ahead.

September Precipitation Trends in Chatelaillon-Plage

The chart displays monthly precipitation patterns in Chatelaillon-Plage, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6067754875702926418393114
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chatelaillon-Plage

As summer transitions to autumn in Chatelaillon-Plage, September offers a refreshing shift in humidity levels. With humidity recorded at 76%, it mirrors the drier conditions typical of July and August, suggesting a gradual decline from the peak summer humidity that once graced the region. This subtle decrease not only enhances the appeal of outdoor activities but also heralds the onset of autumn as the air begins to cool. While the October humidity rises again to 81%, September stands out as a moment of respite, allowing residents and visitors to enjoy the last warm days of the year with a pleasant balance of warmth and comfort.

September Average Humidity in Chatelaillon-Plage

This chart illustrates the average monthly humidity levels in Chatelaillon-Plage, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%82%82%80%76%73%76%82%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chatelaillon-Plage

In September, Chatelaillon-Plage experiences a significant shift in UV exposure, with the UV Index reaching 6, categorizing it as high and resulting in a burn time of 25 minutes. This marks a notable decrease from the peak summer months of July and August, when the UV Index hovered at a very high 9. As the season transitions, it’s essential to remain vigilant about sun protection, as this month still carries potential for skin damage. September's UV levels remind us that while summer may be winding down, the sun's intensity remains formidable. For detailed insights into UV trends throughout the year, visit Chatelaillon-Plage UV Index.

Maximum UV Index Levels in Chatelaillon-Plage for September

The chart shows the monthly maximum UV Index (UVI) for Chatelaillon-Plage 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: Chatelaillon-Plage 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 Chatelaillon-Plage

September in Chatelaillon-Plage ushers in a gentle transition as the summer sun begins to wane. With 343 hours of sunshine, this month still basks in a generous glow, significantly more than the chillier months ahead, like October's 292 hours. The sunlight peaks in the summer months, with July enjoying a brilliant 429 hours, but September balances the fading warmth with a welcoming atmosphere, offering a delightful mix of sunshine and the onset of autumn. As the year progresses, the days grow shorter, yet September's robust light serves as a perfect farewell to summer's embrace, inviting both locals and visitors to enjoy its lingering charm.

Monthly Sunshine Duration in Chatelaillon-Plage: September Highlighted

The September sunshine duration represents the total number of hours Chatelaillon-Plage 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.
JanFebMarAprMayJunJulAugSepOctNovDec165h221h303h352h404h416h429h401h343h292h239h199h
Data source: Chatelaillon-Plage September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chatelaillon-Plage During September

September in Chatelaillon-Plage boasts a 47% chance of sunny weather, making it a delightful time for beachgoers and outdoor enthusiasts. As summer fades, the likelihood of sunshine remains relatively high, slightly dipping from the peak months of July and August. This month marks a transition; while days are still warm and inviting, the cloudier shades of autumn begin to loom on the horizon. Interestingly, September's sun probability is on par with December's, suggesting a subtle rollercoaster of weather patterns throughout the year, with late summer retaining more favorable conditions than the deeper autumn months. The fading summer warmth still holds compelling charm for those longing for sun-kissed days before the cool breezes set in.

Percentage of Sunny Days in September in Chatelaillon-Plage

The chart illustrates the percentage of sunny days in Chatelaillon-Plage 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 Chatelaillon-Plage experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%31%51%56%39%43%46%54%47%53%38%40%
Data source: Chatelaillon-Plage September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chatelaillon-Plage in September

As summer gives way to autumn in Chatelaillon-Plage, France, September marks a gentle transition in daylight hours. Following the peak of 15 hours of sunlight in both June and July, the daylight begins to taper off, offering a more moderate 12 hours this month. This decline is part of a broader trend, where the longer days of summer gradually yield to the shorter daylight hours of fall, which continue to dwindle to 10 hours in October. The shift underscores the cyclical nature of the seasons, inviting residents and visitors alike to relish the last warm days of the year before they embrace the cozy, shorter days of the colder months ahead.

Average Daylight Hours in Chatelaillon-Plage for September

The chart illustrates the variation in daylight duration in Chatelaillon-Plage 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 58m15h 41m15h 18m14h 3m12h 29m10h 52m9h 25m8h 40m
Data source: Chatelaillon-Plage daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Chatelaillon-Plage

As September graces Chatelaillon-Plage, the winds begin to mellow, with the average speed dipping to 3.2 m/s (7 mph). This gentle breeze marks a transition from the more brisk winds of summer, notably the peak winds of January and February, both hovering at 4.7 m/s (11 mph). The trend shows a gradual decline in wind speed as the warmer months fade, with spirited gusts giving way to a calmer atmosphere, perfect for beach strolls and leisurely afternoons by the sea. This month serves as a reminder of summer's lingering warmth, as the coastal winds prepare for the cooler autumn days ahead, fluctuating gently between the mild currents of October and November.

Average September Wind Speed in Chatelaillon-Plage

The chart displays monthly wind speed patterns in Chatelaillon-Plage, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.74.74.04.04.62.93.83.93.2 m/s3.73.64.8
Data source: Chatelaillon-Plage September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Chatelaillon-Plage Compares to Other Months

The weather in Chatelaillon-Plage 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 Chatelaillon-Plage and find detailed weather information for every month.

In September, the weather is generally warmer with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 35°C (95°F), and an average of 19°C (66°F). This month experiences an average precipitation of 41 mm (1.6 in) over about 9 days, with a humidity level of 76%. In sharp contrast, January presents a much cooler climate, featuring temperatures ranging from -7°C (20°F) to a maximum of 17°C (63°F), with an average of 7°C (44°F). January also sees slightly more precipitation at 60 mm (2.4 in) over 10 days and higher humidity at 85%. For more details on January weather in Chatelaillon-Plage, you can visit Chatelaillon-Plage weather in January.

September and February present significant contrasts in weather conditions. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 35°C (95°F), with an average of 19°C (66°F), alongside relatively lower precipitation levels at 41 mm (1.6 in) over about 9 days. The humidity sits at 76%, contributing to a warm and somewhat muggy feel.

In contrast, February experiences much cooler temperatures, with a minimum of -6°C (21°F) and a maximum of 23°C (74°F), averaging 9°C (48°F). The month is also wetter, receiving 67 mm (2.6 in) of rainfall across approximately 12 days, coupled with higher humidity at 83%. For a more detailed look at February's weather, check out Chatelaillon-Plage weather in February.

When comparing the weather in September and March, significant differences emerge in temperature and precipitation patterns. September typically boasts warmer conditions, with average temperatures around 19°C (66°F) and highs reaching up to 35°C (95°F). In contrast, March experiences cooler temperatures, with an average of 10°C (51°F) and maximums of only 25°C (78°F). Additionally, March sees increased precipitation, averaging 75 mm (3.0 in) over 13 days, compared to September's 41 mm (1.6 in) over 9 days. Humidity levels are slightly higher in March at 82%, compared to 76% in September, making the latter month feel more comfortable despite the occasional heat spikes. For more detailed information on March weather, you can refer to this link: Chatelaillon-Plage weather in March.

When comparing the weather in September and April, notable differences emerge in temperature and precipitation patterns. September boasts a warmer climate with average temperatures around 19°C (66°F) and maximum highs reaching up to 35°C (95°F), while April presents a much cooler atmosphere, with average temperatures of 13°C (56°F) and a maximum of 28°C (82°F). Although both months experience a similar amount of rainfall, April has slightly higher precipitation at 48 mm (1.9 in) over 8 days compared to September's 41 mm (1.6 in) over 9 days. Humidity levels also differ, with April being slightly higher at 82% compared to September's 76%. For more detailed insights, you can check Chatelaillon-Plage weather in April.

When comparing the weather in September and May, September tends to be warmer, with average temperatures reaching 19°C (66°F) and maxes hitting up to 35°C (95°F). In contrast, May has a slightly cooler average temperature of 16°C (61°F) and a maximum of 32°C (91°F). Additionally, May experiences more rainfall, with 75 mm (2.9 in) over 13 days compared to September's 41 mm (1.6 in) over 9 days. Humidity is also higher in May at 82%, compared to September's 76%. For more detailed information about the weather in May, you can visit Chatelaillon-Plage weather in May.

In comparing the weather of September and June, we can observe some notable differences. September typically presents a broader temperature range, with a minimum of 7°C (45°F) and a maximum of 35°C (95°F), resulting in an average temperature of 19°C (66°F). In contrast, June starts off slightly warmer, with nighttime temperatures at a minimum of 9°C (48°F) and a maximum reaching 38°C (100°F), averaging around 20°C (68°F). Precipitation is also more pronounced in June, totaling 70 mm (2.8 in) over approximately 10 days, while September experiences slightly less rainfall at 41 mm (1.6 in) across 9 days. Additionally, both months exhibit high humidity levels, with September at 76% and June slightly higher at 80%. For a deeper look into the June weather specifics, you can visit Chatelaillon-Plage weather in June.

When comparing the weather in September and July, notable differences emerge. September experiences a wider temperature range, with minimums dropping to 7°C (45°F) and maximums reaching up to 35°C (95°F), while July maintains notably warmer conditions with minimum temperatures at 12°C (53°F) and maximums peaking at 39°C (102°F). Precipitation is slightly higher in September, with 41 mm (1.6 in) over 9 days, compared to July's 29 mm (1.1 in) over 7 days. Despite these variations, both months share a consistent humidity level of 76%. For more detailed insights, you can check Chatelaillon-Plage weather in July.

In comparing the weather conditions of September and August, September tends to be slightly cooler with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 35°C (95°F), compared to August's warmer average temperatures, which range from a minimum of 11°C (52°F) to a maximum of 38°C (101°F). Precipitation levels in September are higher, with 41 mm (1.6 in) falling over 9 days, in contrast to August's 26 mm (1.0 in) over just 6 days. Humidity levels are also slightly higher in September at 76%, compared to August's 73%. For more detailed insights into August weather, review Chatelaillon-Plage weather in August.

In comparing the weather of September and October, September tends to be warmer, with average temperatures around 19°C (66°F), peaking at a maximum of 35°C (95°F). In contrast, October experiences cooler temperatures, with an average of 15°C (59°F) and a maximum of 27°C (81°F). Precipitation increases in October, with 83 mm (3.3 inches) recorded over 11 days, compared to September's 41 mm (1.6 inches) over 9 days. Additionally, humidity rises slightly in October to 81%, compared to 76% in September. For more details on October weather, check out Chatelaillon-Plage weather in October.

In September, the weather tends to be warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 35°C (95°F), resulting in an average of 19°C (66°F). This month sees relatively low precipitation, accumulating to only 41 mm (1.6 in) over about 9 days, while humidity averages around 76%. In contrast, November experiences a significant drop in temperatures, with a minimum of -2°C (29°F) and a maximum of 22°C (71°F), averaging just 10°C (50°F). The month is also wetter, with precipitation totaling 93 mm (3.7 in) across 12 days, and humidity rising to 83%. For a more detailed look at the weather in November, you can visit Chatelaillon-Plage weather in November.

September and December present contrasting weather experiences. In September, temperatures are generally warmer, with average highs around 19°C (66°F) and a maximum that can reach up to 35°C (95°F). The month sees relatively low precipitation at 41 mm (1.6 in), spread over about 9 days, and humidity sits at 76%. In contrast, December brings much cooler conditions, with daytime temperatures averaging 8°C (48°F) and dropping to a minimum of -4°C (26°F). This month is wetter, with precipitation totaling 114 mm (4.5 in) over 17 days, and humidity increases slightly to 85%. For more details about December weather, you can visit Chatelaillon-Plage weather in December.

Compare Chatelaillon-Plage's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Chatelaillon-Plage

As summer fades into autumn, September in Chatelaillon-Plage offers a unique blend of warmth and occasional rainfall, distinguishing it from the sweltering heat of July and August. With average temperatures settling around a comfortable 19°C, and the maximum soaring to 35°C during the day, this month retains the spirit of summer while gradually welcoming the crispness of fall. Humidity levels remain high at 76%, providing a tropical feel, yet the 41 mm of precipitation over 9 days introduces a refreshing contrast, making for a delightful transition. For more insights on this fascinating seasonal change, explore the details on the Chatelaillon-Plage Climate.