September Weather in Lacanau, France

Last updated: February 26, 2025

In Lacanau, France, September brings a delightful blend of warm temperatures and occasional rain, making it an ideal time for coastal exploration. The maximum temperature can soar up to 32°C (90°F), while the average hovers comfortably around 19°C (67°F), providing a pleasant backdrop for outdoor activities. However, the season is not without its showers, with 56 mm (2.2 in) of precipitation spread across 9 days, contributing to a humidity level of 76%. This mix of sun and rain creates a unique atmosphere, perfect for those looking to enjoy the natural beauty of Lacanau during the early autumn months.

September Temperature in Lacanau

In September, Lacanau transitions to a delightful early autumn, with temperatures that offer a perfect blend of warmth and comfort. Minimums settle around 10°C (50°F), providing a gentle coolness at night, while daytime averages hover at a pleasant 19°C (67°F). As the month progresses, you can expect highs soaring to 32°C (90°F), creating ideal conditions for beachgoers and outdoor enthusiasts alike. This temperature pattern not only showcases a decline from the peak summer heat but also invites visitors to enjoy the region's stunning landscapes in a more temperate setting. With the combination of mild nights and warm days, September is an enchanting time to experience the charm of Lacanau before the cooler months set in.

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

The chart illustrates September temperature patterns in Lacanau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454952566268727167605149
Data source: Temperature data for Lacanau generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Lacanau

In September, Lacanau experiences a transition into autumn with a precipitation total of 56 mm (2.2 in), falling over 9 days. This amount is slightly above the summer months, reflecting a gradual increase from the drier conditions of July and August, which recorded only 41 mm (1.6 in) and 39 mm (1.5 in), respectively. As nature begins to shift, September's rainfall foreshadows a wetter autumn, setting the stage for October, which typically sees even more rain at 73 mm (2.9 in). The trend indicates a return to a wetter climate in the latter part of the year, embracing the refreshing changes of the season.

September Precipitation Trends in Lacanau

The chart displays monthly precipitation patterns in Lacanau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec61647054106914139567385123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Lacanau

As summer fades and autumn approaches, September in Lacanau, France, experiences a slight uptick in humidity, rising to 76%. This marks a shift from the lower levels recorded in August, which dipped to 73%, signaling a transition in the climate. Throughout the year, humidity levels tend to remain relatively high, starting at a peak of 85% in January and gradually decreasing during the summer months. Interestingly, September's humidity mirrors the levels of July, suggesting a lingering warmth in the air as the region prepares for the cooler, moisture-rich months ahead. Overall, while September may feel more humid than the preceding month, it remains noticeably lower than the winter months, reflecting the dynamic shifts of the seasons in this coastal town.

September Average Humidity in Lacanau

This chart illustrates the average monthly humidity levels in Lacanau, 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 Lacanau

As September unfolds in Lacanau, France, sun-seekers can expect a UV Index of 7, placing it in the high exposure category. Compared to the summer months, where values peaked at 9, September offers a slight reprieve with a burn time of 25 minutes. This shift reinforces a trend of gradually decreasing UV intensity as autumn approaches, allowing for safer outdoor enjoyment without the intense risks of mid-summer. With the previous peak months yielding very high readings, September retains its importance for sun protection, reminding us to be cautious yet appreciative of the lingering warmth. For those planning to enjoy the sun, staying informed is crucial—check the detailed forecast at Lacanau UV Index.

Maximum UV Index Levels in Lacanau for September

The chart shows the monthly maximum UV Index (UVI) for Lacanau 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.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Lacanau 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 Lacanau

As summer gracefully fades into autumn, September in Lacanau, France, offers a delightful balance of sunshine, boasting 345 hours of golden rays. This month showcases a gentle decline from the peak of July's 429 hours, yet still surpasses October's 296 hours, ensuring that outdoor enthusiasts can continue to bask in the sun. With the vibrant warmth of late summer lingering in the air, September becomes a perfect time for beach strolls and enjoying nature before the colder months set in. Overall, the trend reflects a remarkable consistency of sunny days throughout the year, making Lacanau a cherished destination for sun seekers.

Monthly Sunshine Duration in Lacanau: September Highlighted

The September sunshine duration represents the total number of hours Lacanau 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.
JanFebMarAprMayJunJulAugSepOctNovDec171h232h306h355h400h416h429h402h345h296h240h198h
Data source: Lacanau September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lacanau During September

In Lacanau, France, September enjoys a respectable 44% chance of sunny weather, positioning it as a transitional month where summer's warmth lingers before the autumn chill sets in. This figure aligns closely with the summer months, particularly August, which boasts a higher 57% likelihood of sunshine. What’s interesting is that as the year progresses, the chances of sunny days vary significantly, peaking in July and August before slightly tapering off in September and October. Despite this decline, September retains a more favorable outlook compared to the early months of the year, where sunny days are scarce, notably just 24% in January. This trend suggests that while the days may be getting shorter, you can still relish in a good amount of sunshine in early autumn.

Percentage of Sunny Days in September in Lacanau

The chart illustrates the percentage of sunny days in Lacanau 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 Lacanau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%30%53%52%37%44%45%57%44%51%34%39%
Data source: Lacanau September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lacanau in September

As summer waves goodbye in Lacanau, France, September offers a gradual transition in daylight, providing about 12 hours of light each day. This month marks a gentle decline from the sun-soaked days of July and August, where the region basked in up to 15 hours of daylight. The crispness of autumn begins to set in, inviting nature's vibrant hues while still allowing for ample time to enjoy outdoor activities. As the days shorten leading into October, the changing light reminds us of the cyclical beauty of the seasons, with September serving as a bridge between the lively summer and the quieter months ahead.

Average Daylight Hours in Lacanau for September

The chart illustrates the variation in daylight duration in Lacanau throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 11m10h 24m11h 56m13h 31m14h 52m15h 33m15h 11m13h 59m12h 28m10h 54m9h 31m8h 48m
Data source: Lacanau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Lacanau

In September, the winds in Lacanau, France, become softer, settling at an average speed of 2.7 m/s (6 mph), which ties with the gentle breezes felt earlier in the summer months of June and July. This decline in wind speed reflects a transition into autumn, as nature prepares for the cooler seasons ahead. The overall trend shows a gradual decrease from the strongest winds of early in the year, with March and April boasting higher breezes of 3.5 m/s (8 mph). As this month unfolds, the tranquil winds invite both relaxation and enjoyment of the captivating coastline, making it a perfect time for beachgoers and nature lovers to savor the fading warmth before the brisk winds of October return.

Average September Wind Speed in Lacanau

The chart displays monthly wind speed patterns in Lacanau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.23.93.53.53.72.73.13.32.7 m/s3.23.34.1
Data source: Lacanau September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Lacanau Compares to Other Months

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

September and January present distinctly differing weather patterns. In September, temperatures range from a mild 10°C (50°F) to a warm 32°C (90°F), with an average of 19°C (67°F), making it one of the last months of summer. The precipitation is moderate at 56 mm (2.2 in) over about 9 days, and humidity levels sit at 76%. In contrast, January experiences much cooler temperatures, with a minimum of -4°C (25°F), an average of 7°C (45°F), and a maximum of 17°C (63°F). Precipitation slightly increases to 61 mm (2.4 in) over about 10 days, with humidity rising to 85%. For a detailed look at January’s climate, you can refer to Lacanau weather in January.

September and February present a stark contrast in weather conditions. In September, temperatures range from a pleasant 10°C (50°F) to a warm 32°C (90°F), with an average of 19°C (67°F). The month experiences moderate precipitation of 56 mm (2.2 in) over approximately 9 days, alongside a humidity level of 76%. In contrast, February is much cooler, with temperatures dipping to a minimum of -4°C (24°F) and reaching a maximum of 21°C (69°F), averaging just 9°C (49°F). The month sees slightly more precipitation at 64 mm (2.5 in) over 11 days, coupled with higher humidity at 83%. For more detailed information about February weather, you can check Lacanau weather in February.

In comparing the weather of September and March, we see notable differences. September features milder temperatures, with a minimum of 10°C (50°F) and an average of 19°C (67°F), peaking at 32°C (90°F). The month is relatively humid at 76% and experiences 56 mm (2.2 in) of precipitation over approximately 9 days. In contrast, March presents cooler temperatures, with a minimum of -4°C (25°F) and an average of 11°C (52°F), reaching a maximum of 25°C (77°F). It has slightly higher precipitation at 70 mm (2.7 in) over 13 days and increased humidity at 82%. For more details on March weather specifically, you can refer to this link: Lacanau weather in March.

Comparing the weather in September and April reveals distinct seasonal characteristics. September offers milder temperatures, with averages around 19°C (67°F) and a maximum of 32°C (90°F), making it feel quite warm compared to April, where temperatures are cooler, averaging just 13°C (56°F) and peaking at 27°C (81°F). While September experiences slightly more rainfall with 56 mm (2.2 in) over 9 days, April's precipitation is only marginally lower at 54 mm (2.1 in), spread across 8 days. Additionally, the humidity levels are higher in April at 82%, compared to 76% in September, contributing to a different feel in the air. For more detailed information, you can explore Lacanau weather in April.

When comparing the weather in September and May, both months exhibit mild temperatures, but with distinct characteristics. September typically has a warmer average temperature, ranging from a minimum of 10°C (50°F) to a maximum of 32°C (90°F), with a pleasant average of 19°C (67°F). In contrast, May sees cooler temperatures, with a range from 5°C (42°F) to a maximum of 31°C (88°F), averaging 16°C (62°F). In terms of precipitation, May receives more rainfall at 106 mm (4.2 in) over 13 days, compared to September's 56 mm (2.2 in) over 9 days. Additionally, humidity levels are slightly higher in May at 82%, while September has a humidity of 76%. For more detailed information, you can check Lacanau weather in May.

In comparing the weather of September and June, both months exhibit warm temperatures, but June tends to be slightly hotter. June has a minimum temperature of 12°C (53°F) and an average of 20°C (68°F), peaking at 35°C (96°F), while September ranges from a minimum of 10°C (50°F) to an average of 19°C (67°F) and a maximum of 32°C (90°F). Additionally, June experiences more rainfall, with 91 mm (3.6 in) over 11 days, compared to September's 56 mm (2.2 in) across 9 days. Humidity levels are also similar, with June at 80% and September at 76%. For a detailed look at this month's conditions, check out Lacanau weather in June.

In comparing the weather between July and September, July typically boasts warmer temperatures, with a minimum of 14°C (58°F) and a maximum reaching up to 37°C (98°F), resulting in an average of 22°C (72°F). In contrast, September experiences a cooler range, with minimum temperatures of 10°C (50°F) and maximums hitting 32°C (90°F), averaging 19°C (67°F). Despite July being hotter, it has slightly less rainfall, with 41 mm (1.6 in) across 8 days compared to September's 56 mm (2.2 in) over 9 days. Interestingly, both months maintain a consistent humidity level of 76%. To explore more about July weather, visit Lacanau weather in July.

In comparing the weather between September and August, we notice that September tends to be slightly cooler, with average temperatures ranging from a minimum of 10°C to a maximum of 32°C, while August experiences warmer conditions, with temperatures ranging from a minimum of 13°C to a maximum of 34°C. Precipitation is more pronounced in September, totaling 56 mm over 9 days, compared to August's 39 mm over 7 days. The humidity is marginally higher in September at 76%, versus 73% in August. For a detailed look at August's weather specifically, you can visit Lacanau weather in August.

In September, the weather is generally warmer, with average temperatures reaching around 19°C (67°F) and maximums peaking at 32°C (90°F). This month experiences a moderate amount of rainfall, totaling 56 mm (2.2 in) across approximately 9 days, accompanied by a humidity level of 76%. In contrast, October brings cooler temperatures, with average highs around 15°C (60°F) and a maximum of 26°C (80°F). The month sees a slight increase in precipitation, totaling 73 mm (2.9 in) over about 10 days, and the humidity rises to 81%. For those interested in more details about October weather, visit Lacanau weather in October.

In September, the weather is typically warmer, with average temperatures around 19°C (67°F) and maximums reaching up to 32°C (90°F). The month experiences relatively lower precipitation, totaling 56 mm (2.2 in) over about 9 days, and humidity levels sit at 76%. In contrast, November sees a notable drop in temperature, with averages at 11°C (52°F) and maximums of 21°C (70°F). This month also brings increased rainfall, totaling 85 mm (3.4 in) over approximately 11 days, accompanied by higher humidity levels of 83%. For a detailed look at the weather conditions in November, you can visit Lacanau weather in November.

In September, temperatures are generally warm, with averages around 19°C (67°F) and highs reaching up to 32°C (90°F), while experiencing a moderate level of precipitation at 56 mm (2.2 in) across approximately 9 days and a humidity of 76%. In contrast, December brings significantly cooler weather, with average temperatures dropping to 9°C (49°F) and a maximum of only 17°C (62°F). The month also sees increased rainfall, totaling 123 mm (4.8 in) over 16 days, alongside higher humidity levels of 85%. For more detailed insights into the December weather in the region, you can check Lacanau weather in December.

Compare Lacanau's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Lacanau

As summer transitions into fall, September in Lacanau brings a noticeable shift in weather. Temperatures are pleasantly mild, offering a comfortable balance that differs from the peak heat of summer, while the average warmth invites outdoor activities. However, the month does experience its fair share of rain, with about nine days of precipitation, contributing to a humidity level that hovers around 76%. This blend of warm days and occasional showers sets September apart, making it a unique time to enjoy the region's natural beauty. For more detailed insights into weather patterns in this vibrant locale, check out Lacanau Climate.