September Weather in Pornic, France

Last updated: February 26, 2025

In September, Pornic, France, greets visitors with a delightful mix of late-summer warmth and refreshing coastal breezes. With maximum temperatures reaching 33°C (92°F), the atmosphere remains pleasantly inviting, while the average temperature settles around 17°C (64°F), providing a comfortable climate for outdoor activities. However, the month also experiences a touch of unpredictability, evidenced by 43 mm (1.7 in) of precipitation spread over 8 days, contributing to the lush scenery. Humidity levels hover around 75%, enhancing the coastal charm of this picturesque destination. Whether you're soaking up the sun or enjoying a leisurely stroll along the shore, September in Pornic promises a memorable experience.

September Temperature in Pornic

In September, Pornic, France, experiences a delightful transition as summer starts to fade. With minimum temperatures around 7°C (45°F) and an average of 17°C (64°F), the weather remains pleasantly warm, inviting both locals and visitors to enjoy the outdoors. The maximum temperatures, reaching up to 33°C (92°F), reflect the lingering warmth of summer days, offering that last chance to bask in the sun before the cooler months set in. This month serves as a charming bridge between the heat of summer and the crispness of autumn, showcasing a gradual decline in temperatures that prepares the region for the changing seasons ahead.

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

The chart illustrates September temperature patterns in Pornic, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444750545965686763575047
Data source: Temperature data for Pornic 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 Pornic

September in Pornic, France, ushers in the subtle transition from summer to autumn, with rainfall amounting to 43 mm (1.7 in) over approximately 8 days. This marks a slight decrease from the wetter summer months, particularly June, which experiences the highest precipitation at 75 mm (2.9 in). With the approaching cooler months, precipitation begins to pick up again, as seen in October's 77 mm (3.0 in). Overall, September's weather reflects a trend of decreasing rainfall from the summer peak, yet still maintains a refreshing ambiance, perfect for enjoying the lingering warmth before the autumn chill sets in.

September Precipitation Trends in Pornic

The chart displays monthly precipitation patterns in Pornic, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5163664160753744437778110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Pornic

In September, Pornic, France, experiences a delightful transition in humidity, with levels resting at a comfortable 75%. This marks a notable shift from the sweltering summer months of July and August, where humidity peaked at 65% and 67%, respectively. As autumn approaches, so does a gradual increase in moisture, drawing ever closer to the higher levels seen in the winter months, with October expected to rise again to 85%. This September humidity is indicative of a broader trend in Pornic, where the summer months provide a respite from the notably humid winters, while September serves as a bridge, blending the warm summer days with the crispness of fall.

September Average Humidity in Pornic

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

As summer fades into autumn, September in Pornic, France sees a noticeable shift in UV exposure. The UV Index drops to 6, categorizing it as high and resulting in a burn time of 25 minutes. This marks a decline from the intense very high levels experienced in July and August, when visitors had to be particularly cautious under the sun with burn times as short as 15 minutes. In the earlier months of the year, UV exposure was relatively low, making September an ideal time for sun-seekers to enjoy sunshine without the extreme risks. As the season transitions, it's crucial to remain vigilant and check the UV Index regularly for safe outdoor activities. For more detailed information, visit Pornic UV Index.

Maximum UV Index Levels in Pornic for September

The chart shows the monthly maximum UV Index (UVI) for Pornic 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Pornic 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 Pornic

In September, the charming coastal town of Pornic, France, basks in a delightful 336 hours of sunshine, marking a graceful transition from the sun-drenched summer months to the cooler autumn days. This delightful September light follows the peak summer sunshine of July, which boasts an impressive 426 hours, and gracefully recedes from August's 402 hours. Though the days may start to shorten, September still offers a glorious array of sunny moments, significantly brighter than the winter months ahead, such as January's mere 145 hours. As the sun continues its slow descent into autumn, September remains a picturesque time for visitors to enjoy the stunning coastal views and vibrant local culture before the chill sets in.

Monthly Sunshine Duration in Pornic: September Highlighted

The September sunshine duration represents the total number of hours Pornic 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.
JanFebMarAprMayJunJulAugSepOctNovDec145h214h301h357h404h410h426h402h336h280h233h195h
Data source: Pornic September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pornic During September

In September, Pornic, France, enjoys a promising likelihood of sunny weather, with a 51% chance of sunshine illuminating the coastline. This marks a slight increase from the previous month of August, which holds a 50% chance, and continues a notable upward trend from the cooler months. The sunniest days start peeking through in April at 58%, reflecting a gradual transition into the more vibrant summer conditions. As the year progresses, September stands out with its favorable balance of warmth and daylight, making it an exciting time to explore the charming coastal town.

Percentage of Sunny Days in September in Pornic

The chart illustrates the percentage of sunny days in Pornic 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 Pornic experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%30%48%58%38%44%45%50%51%48%42%32%
Data source: Pornic September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pornic in September

As the summer fades, September in Pornic, France, marks a transition from the long, sun-drenched days of June and July to the shorter daylight hours of autumn. With 12 hours of daylight, September offers a delightful balance, still showcasing a considerable glow compared to the winter months ahead. While it retains a generous amount of sunlight, the days are noticeably shorter than the 15 hours enjoyed in midsummer. This gradual decrease highlights a shift in the seasonal rhythm, inviting both locals and visitors to savor the tail end of summer while preparing for the cozy embrace of fall. As nature begins to don its autumnal hues, the lingering warmth of September provides a serene backdrop for leisurely strolls and picturesque sunsets, reminding us to cherish every moment of daylight.

Average Daylight Hours in Pornic for September

The chart illustrates the variation in daylight duration in Pornic throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 59m10h 17m11h 56m13h 37m15h 3m15h 47m15h 24m14h 7m12h 30m10h 50m9h 21m8h 34m
Data source: Pornic daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Pornic

As September rolls into Pornic, France, the winds begin to soften, with an average speed dipping to 3.9 m/s (9 mph), marking a quieter interlude before the autumn gales. This gentle shift follows a somewhat lively summer, where wind speeds varied between 4.3 m/s (10 mph) to 5.5 m/s (12 mph) in the preceding months. The transition is subtle, hinting at the calm that autumn brings, as winds noticeably ease from the more robust breezes of spring and summer. Notably, after June's lull at 3.4 m/s (8 mph), September retains a breezy charm, but invites a reflective calm as nature gears up for the seasonal change ahead. The consistent fluctuation of wind speeds throughout the year paints a vibrant picture of Pornic's maritime climate, where each month unveils a unique personality shaped by the shifting winds.

Average September Wind Speed in Pornic

The chart displays monthly wind speed patterns in Pornic, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.95.34.54.45.53.44.64.33.9 m/s4.33.95.2
Data source: Pornic September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Pornic Compares to Other Months

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

In September, temperatures in Pornic can vary significantly, with minimums around 7°C (45°F) and maximums reaching up to 33°C (92°F), making it a warm month with an average of 17°C (64°F). The humidity is relatively high at 75%, and the area experiences about 43 mm (1.7 in) of precipitation over approximately 8 days. In contrast, January brings much colder weather, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 15°C (60°F) and an average temperature of just 7°C (45°F). This month is characterized by even higher humidity at 88% and slightly more precipitation, totaling 51 mm (2.0 in) over 9 days. For more specifics on January weather, check out Pornic weather in January.

In September, the weather is generally warmer with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 33°C (92°F) and an average of 17°C (64°F). Humidity sits at 75%, and precipitation is relatively low, with 43 mm (1.7 in) spread over 8 days. In contrast, February brings a much cooler climate, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 20°C (68°F) and an average of 8°C (47°F). The month is wetter, receiving 63 mm (2.5 in) of precipitation over 13 days, along with a higher humidity of 87%. For more detailed information on the weather in February, you can visit Pornic weather in February.

September and March present quite different weather patterns. In September, temperatures range from a cool 7°C (45°F) at night to a warm 33°C (92°F) during the day, with an average of 17°C (64°F). Contrastingly, March experiences much lower temperatures, with minimums plunging to -7°C (20°F) and maximums reaching only 23°C (73°F) and an average of 10°C (50°F). Precipitation is slightly more frequent in March, with 66 mm (2.6 in) over 11 days compared to 43 mm (1.7 in) over 8 days in September. The humidity levels are also higher in March at 84%, compared to 75% in September. For a closer look at the specifics, check out Pornic weather in March.

When comparing the weather in September to that of April, notable differences emerge. September tends to be warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 33°C (92°F), resulting in an average of 17°C (64°F). In contrast, April experiences cooler conditions, starting as low as -1°C (30°F) and peaking at 27°C (80°F), with an average temperature of 12°C (54°F). Both months receive similar amounts of precipitation, with September recording 43 mm (1.7 in) over 8 days and April slightly less at 41 mm (1.6 in) spread across 7 days. Additionally, April has a higher humidity level at 83%, compared to September's 75%. For more details on April weather, check out Pornic weather in April.

In comparing the weather between September and May, September generally experiences warmer temperatures, with a minimum of 7°C and a maximum of 33°C, while May has a slightly cooler minimum of 4°C and a maximum of 29°C. The average temperature in September is also higher at 17°C compared to May's average of 15°C. However, May tends to have more precipitation, totaling 60 mm over 11 days, compared to September's 43 mm over 8 days. Humidity levels are slightly higher in May at 81%, compared to 75% in September. For more details on May weather, check Pornic weather in May.

The weather in September presents a noticeable shift from the heat of June. September typically sees minimum temperatures around 7°C (45°F) and averages of 17°C (64°F), peaking at 33°C (92°F). In contrast, June boasts slightly higher minimums at 8°C (47°F) and average temperatures of 18°C (65°F), with maximums reaching 36°C (98°F). Rainfall also differs, with September receiving 43 mm (1.7 in) over about 8 days compared to June's 75 mm (2.9 in) spread across 10 days. Both months share an equal humidity level of 75%, but June generally feels hotter and more humid. For a closer look at the weather during this vibrant month, check out Pornic weather in June.

In comparing the weather between September and July, September tends to be slightly cooler, with minimum temperatures averaging around 7°C (45°F) compared to July's 11°C (51°F). The average temperature in September is around 17°C (64°F), while July enjoys a warmer average of 20°C (68°F). July also experiences maximum temperatures reaching up to 35°C (95°F), compared to September's high of 33°C (92°F). Precipitation is fairly similar for both months, with September receiving 43 mm (1.7 in) across 8 days and July slightly less at 37 mm (1.4 in) over the same number of days. Notably, September has higher humidity levels at 75%, while July is somewhat drier, with humidity at 65%. For more detailed information on July weather, you can check Pornic weather in July.

September weather shows a notable decrease in temperature compared to August, with minimum temperatures dropping from 11°C (51°F) to 7°C (45°F) and average temperatures falling from 19°C (67°F) to 17°C (64°F). While the maximum temperature in September reaches up to 33°C (92°F), it is still lower than August's peak of 36°C (98°F). Precipitation levels remain quite similar in both months, with September recording 43 mm (1.7 in) over 8 days and August seeing 44 mm (1.7 in) across the same number of days. Humidity levels also shift slightly, rising from 67% in August to 75% in September, making September feel more humid than the preceding month. For a detailed look, check out the Pornic weather in August.

September and October present a notable shift in weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 33°C (92°F), with an average of 17°C (64°F). The month experiences about 43 mm (1.7 in) of precipitation over eight days and maintains a humidity level of 75%. In contrast, October sees cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 24°C (75°F), averaging 14°C (58°F). It's also wetter, with rainfall totaling 77 mm (3.0 in) over 11 days and higher humidity at 85%. For more specific information on local weather trends, check Pornic weather in October.

September weather typically offers warmer temperatures, with averages around 17°C (64°F) and maximums climbing as high as 33°C (92°F). This month also experiences lower humidity levels at 75% and less precipitation, averaging 43 mm over about 8 days. In contrast, November brings a noticeable drop in temperature, with average highs of 10°C (50°F) and max temperatures reaching only 19°C (67°F). The humidity increases to 88%, alongside higher rainfall totals of 78 mm across about 11 days, making it a much wetter month. For more detailed information, check out Pornic weather in November.

In September, the weather tends to be warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 33°C (92°F) and an average of 17°C (64°F). This month typically experiences lighter precipitation, averaging 43 mm (1.7 in) over about 8 days, and a humidity level of 75%. In contrast, December ushers in much cooler temperatures, with a minimum of -1°C (30°F), an average of 9°C (48°F), and a maximum of 16°C (60°F). Additionally, precipitation increases significantly to 110 mm (4.3 in) across approximately 15 days, accompanied by higher humidity levels averaging around 90%. For more information, check out Pornic weather in December.

Compare Pornic's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Pornic

As September rolls in, Pornic experiences a delightful transition that sets it apart from the summer months. The warmth of late summer lingers, bringing days with maximum temperatures reaching up to 33°C (92°F), while the average cools to a comfortable 17°C (64°F). This month is marked by a moderate level of humidity at 75%, making the air feel pleasantly fresh, though occasional rainfall—approximately 43 mm over about 8 days—adds a refreshing touch. Unlike the sweltering peak of summer, September offers a harmonious blend of warmth and occasional cool breezes, making it an ideal time to explore the coastal landscapes. For more on what to expect throughout the year, check out Pornic Climate.