September Weather in Cognac, France

Last updated: February 26, 2025

September in Cognac, France, offers a delightful blend of late-summer warmth and early autumn crispness. With maximum temperatures reaching up to 35°C (96°F) and an average of 19°C (66°F), the weather invites outdoor exploration, while the minimum dips to 5°C (42°F), reminding us of the seasonal transition. Despite a modest precipitation total of 48 mm (1.9 in) spread over 8 days, the humidity level hovers around 76%, creating a refreshing atmosphere. This month captures the essence of Cognac's charm, perfect for vineyards and scenic strolls alike.

September Temperature in Cognac

September in Cognac, France, marks a delightful transition as summer gradually yields to autumn. With temperatures ranging from a mild minimum of 5°C (42°F) to a comfortable average of 19°C (66°F), it offers a fine balance for outdoor activities. The month sees a peak maximum of 35°C (96°F), allowing for the lingering warmth of summer to stay alive, perfect for enjoying the scenic vineyards in the area. This month is characterized by steadily dropping temperatures compared to the scorching heights of July and August, providing a refreshing ambiance while still inviting visitors to savor the last rays of sunshine before the chill of fall settles in. Whether you're strolling the cobbled streets or partaking in a tasting of the renowned local cognac, September serves as a charming gateway to autumn.

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

The chart illustrates September temperature patterns in Cognac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434650556167717065584846
Data source: Temperature data for Cognac 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 Cognac

September in Cognac, France, welcomes a mild shift in its weather patterns, marked by an average precipitation of 48 mm (1.9 in) spread across 8 days. While this amount is notably lower than the summer months—such as August’s 29 mm (1.1 in)—it marks a slight uptick from July, which recorded a mere 39 mm (1.5 in). This transitional month hints at the onset of autumn, as rainfall gradually picks up in the following months, with October and November both featuring higher averages around 84 mm (3.3 in) and 85 mm (3.3 in), respectively. Thus, September serves as a delicate bridge, balancing the warm remnants of summer with the impending chill of autumn, offering a refreshing, yet modest, respite from the drier days preceding it.

September Precipitation Trends in Cognac

The chart displays monthly precipitation patterns in Cognac, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6668835491823929488485123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cognac

In Cognac, France, the humidity levels throughout the year reveal an intriguing seasonal trend. Starting with relatively high humidity in the winter months, peaking at 85% in January and December, the levels gradually decline as spring approaches. By September, humidity settles at 76%, offering a pleasant respite before the autumn months see a slight uptick again. This pattern highlights a gradual decrease during the warm summer months, with the lowest humidity recorded in August at 73%. As the year progresses, the moist air returns with the arrival of cooler weather, emphasizing the region's distinctive seasonal rhythm.

September Average Humidity in Cognac

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

As summer gives way to autumn, September in Cognac, France sees a dip in the UV Index to 6, placing it in the high exposure category. This year marks a notable decrease from the blistering UV levels of 9 experienced in the preceding months of June, July, and August, where sun exposure was deemed very high with a burn time of just 15 minutes. Now, with a burn time of 25 minutes, outdoor enthusiasts can enjoy the lingering warmth of early fall while remaining mindful of sun safety. This trend of decreasing UV levels continues into October, when it settles to 5, transitioning back to moderate exposure. For a comprehensive understanding of the UV Index trends in Cognac throughout the year, visit Cognac UV Index.

Maximum UV Index Levels in Cognac for September

The chart shows the monthly maximum UV Index (UVI) for Cognac 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.
JanFebMarAprMayJunJulAugSepOctNovDec235789996532
Data source: Cognac 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 Cognac

September in Cognac, France, embraces a delightful transition as summer's warmth lingers with 341 hours of sunshine, marking a graceful departure from the height of July’s peak at 425 hours. The month enjoys a notable abundance compared to the cooler autumnal months that follow, yet it also reflects a gentle decline from August's 398 hours. This balance of light paints a picturesque backdrop for harvests and gatherings, as the vineyards bask in the fading summer glow. With each passing month, the gradual reduction in sunshine hours signals the approach of crisp fall air, inviting visitors to relish the last moments of warmth while savoring the rich flavors of Cognac's renowned spirits.

Monthly Sunshine Duration in Cognac: September Highlighted

The September sunshine duration represents the total number of hours Cognac 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.
JanFebMarAprMayJunJulAugSepOctNovDec163h221h293h348h393h412h425h398h341h287h235h195h
Data source: Cognac September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cognac During September

As September rolls into Cognac, France, the chances of enjoying sunny weather remain moderate, with a 43% likelihood of sunshine gracing the skies. This marks a slight dip from the 51% chance seen in August, indicating a transition as summer begins to wane. Interestingly, while September's probability aligns closely with the sun-soaked days of July, it also sets the stage for a promising October, which boasts a 53% chance of clear skies. Overall, this gentle ebb and flow of sunny days in late summer and early autumn illustrates the enchanting climate of Cognac, inviting visitors to embrace the beauty of early fall with a mix of warmth and gentle breezes.

Percentage of Sunny Days in September in Cognac

The chart illustrates the percentage of sunny days in Cognac 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 Cognac experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%31%52%55%37%39%43%51%43%53%35%42%
Data source: Cognac September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cognac in September

As September unfolds in Cognac, France, the daylight hours begin to shift, reflecting the gradual transition into autumn. With an average of 12 hours of daylight, September marks a mid-point after the sun-soaked summer months of July and June, which boast 15 hours of radiant light. This decline is a gentle precursor to the shorter days ahead in October, where sunlight decreases to just 10 hours. Interestingly, the lingering warmth of September still allows for plenty of opportunities to bask in the fading summer glow, making it a perfect time for outdoor activities and enjoying the picturesque scenery before the evenings draw in.

Average Daylight Hours in Cognac for September

The chart illustrates the variation in daylight duration in Cognac throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 7m10h 22m11h 56m13h 33m14h 55m15h 37m15h 15m14h 1m12h 29m10h 53m9h 28m8h 44m
Data source: Cognac daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Cognac

As summer gracefully fades into autumn, Cognac, France, experiences a notable shift in its wind patterns during September. With an average wind speed of 2.7 m/s (6 mph), the month marks the calmest breezes of the year, following a slight uptick in the warmer months of July and August. This transition mirrors a broader trend observed throughout the year; while the early months of January to June boast slightly brisker winds, the latter months of October through December hint at a return to moderate gusts. Overall, September provides a serene yet refreshing ambiance, perfect for enjoying the picturesque vineyards and charming landscapes of the region, as the gentle winds whisper the promise of change.

Average September Wind Speed in Cognac

The chart displays monthly wind speed patterns in Cognac, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.23.53.53.72.53.13.22.7 m/s3.33.23.9
Data source: Cognac September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Cognac Compares to Other Months

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

In September, the weather is generally warmer and more variable, with temperatures ranging from a cool 5°C (42°F) at night to a hot 35°C (96°F) during the day, while January experiences much colder conditions with temperatures dipping as low as -7°C (20°F) and peaking at 16°C (62°F). September also sees less precipitation, averaging 48 mm (1.9 in) over about 8 days, compared to January's 66 mm (2.6 in) across 10 days of rain. Additionally, the humidity is lower in September at 76%, contrasting with January's higher humidity of 85%. For more details on January's climate, you can check Cognac weather in January.

Comparing the weather between September and February reveals significant differences in temperature and humidity. September offers a much warmer range with minimum temperatures around 5°C (42°F) and average highs reaching up to 35°C (96°F), while February experiences colder conditions, with minimums dipping to -7°C (20°F) and an average maximum of 24°C (75°F). Additionally, precipitation is slightly higher in February, totaling 68 mm (2.7 in) over 10 days compared to September's 48 mm (1.9 in) over 8 days. Humidity also plays a role, with February being slightly more humid at 83% compared to September's 76%. For more detailed information about the weather in February, you can visit Cognac weather in February.

In comparing the weather of September and March, we see distinct differences in temperature and precipitation. September tends to be warmer, with average temperatures around 19°C (66°F) and maximums reaching up to 35°C (96°F), while March is cooler, featuring an average of 10°C (50°F) and maximums only hitting 25°C (77°F). However, March experiences more days of precipitation, totaling 83 mm (3.3 in) over 13 days compared to September's 48 mm (1.9 in) over 8 days. Humidity levels are slightly higher in March at 82%, compared to 76% in September. For more detailed information on March weather, you can visit Cognac weather in March.

When comparing the weather in September and April, notable differences in temperature and humidity emerge. September boasts a range from a minimum of 5°C (42°F) to a maximum of 35°C (96°F), with an average temperature of 19°C (66°F) and humidity at 76%. In contrast, April experiences cooler temperatures, ranging from -3°C (27°F) to a maximum of 28°C (82°F), with an average of 13°C (55°F) and slightly higher humidity at 82%. Both months see considerable precipitation, with September recording 48 mm (1.9 in) over 8 days, while April has 54 mm (2.1 in) over 9 days. For more detailed insights, you can check Cognac weather in April.

When comparing the weather in September and May, noticeable differences emerge. September boasts a wider temperature range with a minimum of 5°C and a maximum reaching 35°C, leading to an average temperature of 19°C. In contrast, May starts cooler at a minimum of 1°C, with an average of 16°C and a maximum of 32°C. Rainfall patterns also differ; September receives 48 mm of precipitation over about 8 days, while May sees more rain, totaling 91 mm over roughly 13 days. Additionally, humidity is slightly higher in May at 82%, compared to 76% in September. For more specific details, check out Cognac weather in May.

In comparing the weather between September and June, we can observe that both months feature warm temperatures, though June tends to be slightly warmer overall. September has a minimum temperature of 5°C (42°F) and averages around 19°C (66°F), reaching a maximum of 35°C (96°F), while June starts with a minimum of 7°C (46°F) and averages at 20°C (68°F), peaking at 37°C (98°F). Precipitation levels are higher in June, with 82 mm (3.2 in) of rain over 11 days, compared to September's 48 mm (1.9 in) over 8 days. Humidity is also a bit higher in June at 80%, compared to 76% in September. For more detailed insights on June weather, you can visit Cognac weather in June.

In comparing the weather between September and July, it’s clear that September experiences a broader range of temperatures, with a minimum of 5°C (42°F) and a maximum of 35°C (96°F), while July maintains a warmer climate with a minimum of 10°C (50°F) and a peak of 40°C (104°F). Additionally, September sees slightly more precipitation at 48 mm (1.9 in) over 8 days, compared to July's 39 mm (1.5 in) over 7 days. Both months share the same humidity level of 76%, offering a consistent moisture content in the air. For a closer look at July weather specifics, visit Cognac weather in July.

In comparing the weather between September and August, September tends to have slightly cooler temperatures, with minimums dipping to 5°C (42°F) compared to 9°C (48°F) in August. The average temperature in September is around 19°C (66°F), whereas August sees a warmer average of 21°C (70°F). However, September does experience higher maximum temperatures, reaching up to 35°C (96°F), compared to August's peak of 39°C (102°F). Precipitation is also higher in September, with 48 mm (1.9 in) of rain over 8 days, compared to 29 mm (1.1 in) over 7 days in August. Humidity levels are similar, with September at 76% and August at 73%. For more detailed information, check out Cognac weather in August.

In September, the weather features a broader temperature range with minimums around 5°C (42°F), average highs of 19°C (66°F), and peaks reaching up to 35°C (96°F). The month experiences relatively low precipitation, totaling 48 mm (1.9 in) over about 8 days, along with humidity levels averaging 76%. In contrast, October sees a noticeable drop in temperatures, with minimums at 2°C (37°F) and an average of 14°C (58°F), while maximums reach 28°C (83°F). The month is wetter, with 84 mm (3.3 in) of precipitation recorded over 11 days, and slightly increased humidity at 81%. For more detailed insights into October weather, check out this link: Cognac weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 35°C (96°F), with an average of 19°C (66°F). This month also experiences relatively low precipitation of 48 mm (1.9 in) over 8 rainy days and a humidity level of 76%. In contrast, November sees a significant drop in temperatures, with a minimum of -3°C (26°F) and an average of 9°C (49°F), peaking at 22°C (72°F). The month is wetter, accumulating 85 mm (3.3 in) of rainfall over 12 days, and humidity rises to 83%. For a more detailed look at November conditions, visit Cognac weather in November.

September and December exhibit striking contrasts in weather conditions. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 35°C (96°F), with an average of 19°C (66°F), making it a warmer month with relatively lower humidity at 76%. Conversely, December brings a notable chill, with temperatures dipping to a minimum of -6°C (22°F) and averaging 8°C (46°F), while high temperatures reach only 17°C (62°F). The month also sees increased precipitation, totaling 123 mm (4.9 in) over 17 days, compared to September's 48 mm (1.9 in) over 8 days, reflecting a wetter and more humid atmosphere at 85%. For more detailed weather information, you can visit Cognac weather in December.

Compare Cognac's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Cognac

As September unfolds in Cognac, the weather showcases a delightful transition from the sweltering summer heat to the more temperate autumn. While the maximum temperatures can still reach 35°C (96°F), the average settles at a comfortable 19°C (66°F), inviting outdoor pursuits without the oppressive heat. Visitors can expect occasional rains, with around 48 mm (1.9 in) of precipitation spread over 8 days, contrasted with the aridity of summer months. The humidity remains relatively high at 76%, giving that familiar, rich atmosphere characteristic of the region. This balance of warmth and occasional showers sets September apart, making it an ideal time to explore the vineyards and the charming streets of Cognac. For a deeper dive into what to expect throughout the year, visit Cognac Climate.