September Weather in Chaumont-sur-Loire, France

Last updated: February 26, 2025

September in Chaumont-sur-Loire, France is characterized by a pleasant climate, where maximum temperatures can soar up to 36°C (97°F), while the average sits comfortably at 18°C (64°F). Visitors can expect refreshing minimums of 5°C (41°F) during cooler nights. The month experiences a total precipitation of 39 mm (1.5 in) across approximately 7 days, creating a humidity level of around 76%. This blend of warm days and occasional rainfall makes September an ideal time to explore the scenic beauty of the Loire Valley, where the stunning landscapes come alive amid the changing season.

September Temperature in Chaumont-sur-Loire

As summer fades and autumn begins to emerge, September in Chaumont-sur-Loire offers a delightful transition in temperatures. With minimums around 5°C (41°F) and pleasant average highs of 18°C (64°F), the month strikes a perfect balance between warmth and coolness. While maximum temperatures can still reach up to 36°C (97°F) early in the month, the gradual decline offers a refreshing reprieve from the sweltering heat of summer. This period invites visitors to enjoy the scenic beauty of the Loire Valley, as crisp mornings and mild afternoons create an ideal backdrop for outdoor activities and exploration. As the leaves begin to change, September showcases both warmth and a hint of the upcoming fall, making it a truly enchanting month in this charming French locale.

September Weather in Chaumont-sur-Loire: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Chaumont-sur-Loire, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414448535967717064564644
Data source: Temperature data for Chaumont-sur-Loire 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 Chaumont-sur-Loire

In September, Chaumont-sur-Loire experiences a gentle transition from the summer warmth, with a modest precipitation amount of 39 mm (1.5 in) that mirrors the lighter rains of August. This month sees rainfall on about 7 days, maintaining the trend of relatively dry summer months while hinting at the wetter fall to come. As the leaves begin to turn, the light showers not only nourish the landscape but also signify the impending shift towards October, which typically brings a notable increase in rainfall, reaching 79 mm (3.1 in). The rainfall in September, though slight, offers a refreshing reprieve, setting the stage for a vibrant autumn in this picturesque region.

September Precipitation Trends in Chaumont-sur-Loire

The chart displays monthly precipitation patterns in Chaumont-sur-Loire, 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.
JanFebMarAprMayJunJulAugSepOctNovDec566367397969353839796996
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chaumont-sur-Loire

In September, Chaumont-sur-Loire experiences a noticeable shift in humidity levels, settling at 76%. This slight increase from the drier summer months—where humidity dipped to its lowest in August at 68%—signals the arrival of autumn. As the month progresses, one can observe a gradual rise in humidity that is consistent with the transitional nature of the season, ultimately leading towards the higher levels typical of the colder months. The trend reflects a return to more moisture-laden air, setting the stage for the impending crispness of October and the 91% humidity of November. This cycle highlights the rhythmic changes in Chaumont-sur-Loire's climate, embodying the enchanting ebb and flow of seasonal humidity.

September Average Humidity in Chaumont-sur-Loire

This chart illustrates the average monthly humidity levels in Chaumont-sur-Loire, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%85%84%83%79%71%68%76%87%91%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chaumont-sur-Loire

As summer transitions to autumn in September, the UV Index in Chaumont-sur-Loire shows a noticeable decline from the peak months of July and August. With a UV Index of 6, categorized as high, residents and visitors can expect a recommended burn time of 25 minutes before protection is necessary. This shift reflects a gradual decrease in solar intensity as the days grow shorter, yet caution is still warranted—especially during midday when UV rays are strongest. You'll want to balance your outdoor pursuits with effective sun protection strategies. For complete insights on UV exposure trends throughout the year, visit Chaumont-sur-Loire UV Index.

Maximum UV Index Levels in Chaumont-sur-Loire for September

The chart shows the monthly maximum UV Index (UVI) for Chaumont-sur-Loire 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Chaumont-sur-Loire 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 Chaumont-sur-Loire

In September, Chaumont-sur-Loire basks in a delightful 323 hours of sunshine, marking a beautiful transition into autumn. After the peak summer months, where sunlight dances across the landscape for up to 416 hours in July, the days start to shorten, yet the warmth remains inviting. This gradual decline in daylight is mirrored in the preceding months, with August still holding onto 376 hours. As the vibrant hues of nature begin to shift, the weather in September offers a perfect balance of sunny days and cooler evenings, making it an ideal time to explore the region’s breathtaking gardens and picturesque châteaux. While sunshine hours dwindle in the upcoming months, September stands out as a captivating farewell to the summer glow, encapsulating the lingering essence of warmth and light before the briskness of autumn truly sets in.

Monthly Sunshine Duration in Chaumont-sur-Loire: September Highlighted

The September sunshine duration represents the total number of hours Chaumont-sur-Loire 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.
JanFebMarAprMayJunJulAugSepOctNovDec131h202h267h347h380h399h416h376h323h260h207h170h
Data source: Chaumont-sur-Loire September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chaumont-sur-Loire During September

September in Chaumont-sur-Loire offers a notable shift in weather patterns, with a sunshine likelihood of 46%—an inviting prospect for those seeking pleasant days. After the summer months, which exhibit slightly lower chances of sun, September's promise of clearer skies hints at the transition towards autumn. The increased likelihood of sun this month, compared to its predecessors, is reminiscent of April's sunny embrace, making it an ideal time for outdoor activities and exploration. As the warmth of summer gently wanes, visitors can still relish in the lingering brightness, making September a delightful balance of sun and early fall charm.

Percentage of Sunny Days in September in Chaumont-sur-Loire

The chart illustrates the percentage of sunny days in Chaumont-sur-Loire 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 Chaumont-sur-Loire experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%29%47%60%35%41%39%40%46%48%29%29%
Data source: Chaumont-sur-Loire September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chaumont-sur-Loire in September

As summer fades and autumn begins, September in Chaumont-sur-Loire brings a gentle transition in daylight duration, with 12 hours of daylight illuminating the picturesque landscape. This month reflects a gradual decline from the sun-soaked days of July and August, which bask in a peak of 15 hours. Comparing these to earlier months highlights a clear trend: the lengthening days experienced from March's 11 hours to May's delightful 15 hours are now giving way to the softer light of autumn. As daylight hours decrease, September serves as a bridge, allowing nature to prepare for the tranquility and shorter days that October will soon deliver, dropping back to 10 hours.

Average Daylight Hours in Chaumont-sur-Loire for September

The chart illustrates the variation in daylight duration in Chaumont-sur-Loire throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 54m10h 15m11h 56m13h 39m15h 8m15h 53m15h 29m14h 10m12h 30m10h 48m9h 17m8h 29m
Data source: Chaumont-sur-Loire daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Chaumont-sur-Loire

As September arrives in Chaumont-sur-Loire, the wind begins to whisper a softer tune, with an average speed of 2.9 m/s (7 mph). This marks a noticeable decline from the breezier months of May and June, where winds danced at 4.6 m/s (10 mph) and 2.6 m/s (6 mph) respectively. After a summer characterized by gentle gusts around 3.5 m/s (8 mph), September signals a subtle transition into autumn, enveloping the charming Loire Valley in a serene calm. While the winds may be lighter this time of year, they lend a tranquil ambiance to the picturesque landscape, making it an idyllic backdrop for leisurely strolls and contemplative moments amidst the vibrant fall foliage.

Average September Wind Speed in Chaumont-sur-Loire

The chart displays monthly wind speed patterns in Chaumont-sur-Loire, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.13.93.84.62.63.73.52.9 m/s3.83.44.2
Data source: Chaumont-sur-Loire September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Chaumont-sur-Loire Compares to Other Months

The weather in Chaumont-sur-Loire 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 Chaumont-sur-Loire and find detailed weather information for every month.

In September, the weather in Chaumont-sur-Loire is generally warm, with temperatures ranging from a minimum of 5°C (41°F) to a high of 36°C (97°F), and an average temperature of 18°C (64°F). The month sees a total of 39 mm (1.5 in) of precipitation over about 7 days, with a humidity level around 76%. In contrast, January experiences much colder conditions, with temperatures dropping to a minimum of -7°C (19°F) and an average of 5°C (41°F), peaking at 16°C (60°F). This month is wetter, with 56 mm (2.2 in) of precipitation over 9 days, accompanied by higher humidity at 90%. For more detailed weather information, visit Chaumont-sur-Loire weather in January.

September and February present strikingly different weather conditions. In September, temperatures range from a mild 5°C (41°F) to a sweltering high of 36°C (97°F), with an average temperature of 18°C (64°F). The month sees about 39 mm (1.5 in) of precipitation over approximately 7 days and maintains a relatively high humidity of 76%. In contrast, February experiences much cooler temperatures, with a minimum of -9°C (16°F) and a maximum of 22°C (72°F), averaging just 7°C (44°F). Precipitation is higher in February, totaling 63 mm (2.5 in) across about 13 days, while humidity rises to a notable 88%. For a detailed outlook on February weather in this region, you can refer to Chaumont-sur-Loire weather in February.

When comparing the weather between September and March, notable differences emerge in temperature and precipitation. September tends to be much warmer, with average temperatures around 18°C (64°F) and highs reaching up to 36°C (97°F), while March is significantly cooler, featuring an average of 9°C (48°F) and maximums of 25°C (76°F). However, March experiences more precipitation, totaling 67 mm (2.6 in) over 13 days compared to September's 39 mm (1.5 in) over just 7 days. Additionally, humidity levels are higher in March at 85%, compared to 76% in September. For further insights into the climate during this time, you can check Chaumont-sur-Loire weather in March.

When comparing the weather in September and April, notable differences emerge. September typically enjoys milder temperatures, with an average of 18°C (64°F) and highs reaching up to 36°C (97°F), making it a warmer month overall. In contrast, April's temperatures are cooler, averaging around 12°C (53°F) with maximums of 28°C (83°F), and it can even drop to a chilly -3°C (26°F) at night. Both months receive similar precipitation levels of 39 mm (1.5 in), but April sees slightly more rainy days, with precipitation occurring on 8 days compared to 7 days in September. Additionally, April has a higher humidity level at 83%, compared to September's 76%. For more detailed information on the weather in April, you can refer to Chaumont-sur-Loire weather in April.

When comparing the weather between September and May, notable differences in temperature and precipitation emerge. September shows a broad temperature range with a minimum of 5°C (41°F) and a maximum of 36°C (97°F), averaging at a comfortable 18°C (64°F). In contrast, May starts cooler, with a minimum of 1°C (34°F) and a maximum of 32°C (89°F), and an average temperature of 15°C (59°F). Precipitation is higher in May, totaling 79 mm (3.1 in) over 13 days, compared to September's 39 mm (1.5 in) spread across 7 days. Additionally, humidity levels peak at 83% in May, slightly higher than September's 76%. For more insights on the specifics of May weather, you can refer to Chaumont-sur-Loire weather in May.

When comparing the weather in September and June, several key differences emerge. September typically features a lower minimum temperature of 5°C (41°F) compared to June's 7°C (44°F), while the average temperatures remain similar, with September at 18°C (64°F) and June at 19°C (67°F). The maximum temperatures also show a slight difference, with September reaching up to 36°C (97°F) and June peaking at 39°C (102°F). Additionally, June experiences more precipitation, with 69 mm (2.7 in) over 11 days, compared to September's 39 mm (1.5 in) across 7 days. Humidity levels are slightly higher in June at 79%, compared to September's 76%. For a more detailed look at the weather conditions in June, you can refer to Chaumont-sur-Loire weather in June.

In comparing the weather between September and July, September experiences a broader temperature range, with minimums dropping to 5°C (41°F) and maximums reaching up to 36°C (97°F), averaging around 18°C (64°F). July, on the other hand, has milder minimums at 9°C (49°F) and slightly higher maximums peaking at 41°C (106°F), with an average temperature of 21°C (71°F). Precipitation levels are relatively similar, with September recording 39 mm (1.5 in) and July slightly less at 35 mm (1.4 in), both seeing about 7 days of rain. Additionally, humidity is higher in September at 76% compared to July's 71%, making September feel more humid overall. For a closer look at the July weather in this region, visit Chaumont-sur-Loire weather in July.

In comparing the weather of September and August, we see notable differences, especially in temperature and humidity. September experiences a wider temperature range with a minimum of 5°C (41°F) and a maximum of 36°C (97°F), while August maintains a milder range with a minimum of 7°C (45°F) and a maximum of 38°C (101°F). The average temperature in September drops to 18°C (64°F) compared to August's warmer average of 21°C (70°F). Both months receive a similar amount of precipitation, around 39 mm (1.5 in), but September sees rainfall over 7 days, one day less than August's 8 days. Additionally, September's humidity level at 76% is higher than August's 68%, indicating a more humid atmosphere as summer transitions into fall. For more detailed insights, you can check Chaumont-sur-Loire weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures can range from a minimum of 5°C (41°F) to a peak of 36°C (97°F), averaging around 18°C (64°F). The month experiences relatively mild precipitation of 39 mm (1.5 in) over 7 days, and humidity sits at 76%. Conversely, October brings cooler temperatures, with a minimum of 1°C (34°F), an average of 13°C (56°F), and a maximum of 27°C (81°F). This month is wetter, with a total precipitation of 79 mm (3.1 in) occurring over 12 days and higher humidity at 87%. For more detailed information, you can check Chaumont-sur-Loire weather in October.

In September, the weather is generally warm, with temperatures ranging from a pleasant 5°C (41°F) at night to highs of 36°C (97°F) during the day. This month experiences relatively low precipitation, totaling 39 mm (1.5 in) over about seven days, and humidity levels are moderate at 76%.

By contrast, November ushers in significantly cooler conditions, with temperatures dipping to a minimum of -3°C (26°F) and averaging only 8°C (47°F), while the maximum reaches 20°C (67°F). Rainfall increases during this month, with 69 mm (2.7 in) of precipitation spread over approximately twelve days, and humidity rises to a brisk 91%.

For a detailed look at November weather, you can visit Chaumont-sur-Loire weather in November.

September and December showcase striking differences in weather patterns. In September, temperatures range from a minimum of 5°C (41°F) to a sweltering maximum of 36°C (97°F), with an average of 18°C (64°F). The month sees around 39 mm (1.5 in) of precipitation over approximately 7 days and a humidity level of 76%. In contrast, December brings a much chillier atmosphere with temperatures dipping to a minimum of -4°C (26°F) and averaging around 7°C (44°F), peaking at 16°C (61°F). Precipitation significantly increases to 96 mm (3.8 in) over 16 days, along with a higher humidity of 93%. For more detailed insights on December weather, you can check Chaumont-sur-Loire weather in December.

Compare Chaumont-sur-Loire's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Chaumont-sur-Loire

As September arrives in Chaumont-sur-Loire, the weather showcases a delightful transition from the summer heat to the crispness of autumn. While maximum temperatures may soar to a sizzling 36°C, the average comfortably settles around 18°C, providing a pleasant reprieve from the summer's intensity. However, the minimum temperatures can dip to a brisk 5°C, hinting at the approaching fall. With 39 mm of precipitation spread across 7 days, September introduces a moderate amount of rain, fostering lush landscapes that are a feast for the eyes. The humidity level, at 76%, adds a touch of atmospheric richness, making this month a unique blend of warmth and cooling freshness. For more insights into what makes the September weather here so distinctive compared to the rest of the year, check out Chaumont-sur-Loire Climate.