September Weather in Chatres, France

Last updated: February 26, 2025

September in Châters, France offers a delightful blend of mild to warm temperatures, with a maximum reaching 34°C (93°F) and an average of 17°C (63°F), while nights can occasionally dip to a cool 5°C (41°F). The month typically experiences about 57 mm (2.2 in) of precipitation over 8 days, resulting in a humidity level of 81% that adds a refreshing ambiance to the air. This transitional period marks the shift from summer to autumn, inviting visitors to enjoy the charm of Châters' early fall landscape.

September Temperature in Chatres

As September unfolds in Chatres, France, the transition from summer to autumn is subtly marked by a gentle decline in temperatures. The month opens with comfortable highs averaging 34°C (93°F), inviting pleasant outdoor activities, while the minimum temperatures hover around 5°C (41°F) during the cooler nights. By mid-month, the average temperature settles at a refreshing 17°C (63°F), ideal for enjoying the crisp air and vibrant fall foliage. This gradual shift indicates a move away from the sweltering heat of August, yet still promises warm days that beckon both locals and visitors. As the month progresses, the cooler evenings remind us that autumn is on the horizon, creating a delightful climate that blends warmth with the promise of a changing season.

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

The chart illustrates September temperature patterns in Chatres, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404346525866696862554643
Data source: Temperature data for Chatres 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 Chatres

In September, Chatres, France, experiences a mild shift in precipitation, receiving 57 mm (2.2 in) of rain over the course of 8 days. This amount is slightly more than in the preceding months of July and August, suggesting a subtle transition into the wetter autumn season. While September's rainfall is less than the later months, like October's expected 86 mm, it marks a notable increase from the drier summer months, helping to nourish the landscapes as nature prepares for the colder weather ahead. The consistent pattern of moderate rainfall continues to reflect the region's temperate climate, making September a blend of lingering summer warmth and the first hints of autumn chill.

September Precipitation Trends in Chatres

The chart displays monthly precipitation patterns in Chatres, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6571753272635356578669116
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Chatres

As summer fades into autumn, September in Chartres, France, experiences a slight uptick in humidity, settling at 81%. This marks a subtle rebound from the drier conditions of August, which enjoyed a lower humidity level of 76%. Observing the overall trends, it's clear that humidity remains high throughout the year, particularly from January to April, when levels hover around the 84%-91% mark. Interestingly, after a summer dip peaking in July, humidity begins to rise again as the year progresses toward winter. This cyclical pattern underscores Chartres’ characteristic moisture-laden atmosphere, which intensifies as the leaves begin to fall.

September Average Humidity in Chatres

This chart illustrates the average monthly humidity levels in Chatres, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%84%83%83%80%76%81%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chatres

As September arrives in Chartres, France, the UV Index reflects a shift towards more moderate sun exposure, with a reading of 6. This places the exposure category in the high range, requiring vigilance as burn time decreases to 25 minutes. Compared to the peak months of June through August, where the UV Index soared to 9, it is a reminder that while summer winds down, sun safety remains essential. Transitioning from the scorching highs of summer to the milder fall conditions, September invites residents and visitors to enjoy outdoor activities while staying protected from harmful rays. Plan your sun exposure wisely this month and stay informed about local UV updates by visiting Chatres UV Index.

Maximum UV Index Levels in Chatres for September

The chart shows the monthly maximum UV Index (UVI) for Chatres 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689886421
Data source: Chatres 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 Chatres

As summer gently transitions into autumn, September in Chartres, France, continues to bask in a generous 320 hours of sunshine. This pleasing amount of daylight reflects a gradual decline from the peak of 402 hours in July, signaling the end of the warmest months. However, it still exceeds the sunlight hours of many earlier months, such as October's 261 hours and November's 199 hours. The clear skies and natural light create a lovely backdrop for the charming medieval city, inviting locals and visitors alike to enjoy the vibrant streets and scenic views before the cooler days set in. As the golden hues of fall begin to color the landscape, September remains a perfect time to appreciate the lingering warmth and delightful sunshine of this exquisite French destination.

Monthly Sunshine Duration in Chatres: September Highlighted

The September sunshine duration represents the total number of hours Chatres 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.
JanFebMarAprMayJunJulAugSepOctNovDec120h197h262h352h383h400h402h383h320h261h199h152h
Data source: Chatres September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chatres During September

As summer fades, September in Chartres, France, ushers in a 41% chance of sunny weather, marking a noteworthy transition from the warmer months. This figure reflects a slight decline from the sunlit days of mid-summer, yet it remains stronger than the earlier spring months. While March, with its 46% chance, signals the awakening of warmer weather, April reaches a peak of 57%, suggesting a trend where sunshine begins to taper off as autumn approaches. Despite this decline, September offers a pleasant balance, allowing for enjoyable outings amid the crisp fall air. Overall, those seeking a golden hour for their late-summer adventures will find September to still be a friendly option for sunshine in Chartres.

Percentage of Sunny Days in September in Chatres

The chart illustrates the percentage of sunny days in Chatres 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 Chatres experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%28%46%57%34%37%37%37%41%44%24%26%
Data source: Chatres September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chatres in September

As summer fades in Chartres, France, September ushers in a gentle transition with approximately 12 hours of daylight. This marks a gradual decline from the sun-drenched days of June, which boasted the year’s highest daylight at 16 hours. The month reflects a balance between the lingering warmth of summer and the impending coolness of autumn, with daylight hours slowly decreasing. Following September, daylight further diminishes as October offers only 10 hours, signaling the approach of winter. This natural ebb and flow of light highlights the rhythmic beauty of the seasons, inviting residents to savor the last golden moments before the shorter days settle in.

Average Daylight Hours in Chatres for September

The chart illustrates the variation in daylight duration in Chatres throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 46m10h 10m11h 55m13h 43m15h 16m16h 4m15h 38m14h 15m12h 32m10h 45m9h 10m8h 19m
Data source: Chatres daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Chatres

As autumn begins to whisper through the streets of Chartres, France, September brings a gentle shift in the air with an average wind speed of just 2.8 m/s (6 mph). This notable dip marks the month's calming transition from summer’s breezy warmth, where earlier months like May flaunted gusts of up to 4.3 m/s (10 mph). Following the summer lull, September's breezes feel soft against the skin, offering a serene backdrop as the leaves begin to change. This muted wind pattern paves the way for crisper autumn days, hinting at the more robust winds of October, which return to 3.8 m/s (9 mph). As summer wanes, the wind in Chartres invites both locals and visitors to enjoy the tranquil beauty of the season.

Average September Wind Speed in Chatres

The chart displays monthly wind speed patterns in Chatres, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.23.93.64.32.73.43.42.8 m/s3.83.23.9
Data source: Chatres September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Chatres Compares to Other Months

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

September and January present markedly different weather conditions. In September, temperatures can range from a cool 5°C (41°F) to a warm 34°C (93°F), with an average temperature of 17°C (63°F). This month sees an average precipitation of 57 mm (2.2 in) over approximately 8 days, with humidity levels around 81%. In contrast, January is characterized by much colder temperatures, with lows plunging to -7°C (19°F) and highs reaching only up to 15°C (58°F), resulting in an average of 4°C (40°F). Precipitation is slightly higher at 65 mm (2.6 in) spread over about 12 days, while humidity increases to 91%. For specific insights into weather conditions during this time, check out Chatres weather in January.

September and February showcase strikingly different weather patterns. In September, temperatures range from a mild 5°C (41°F) at night to a warm 34°C (93°F) during the day, with an average of 17°C (63°F), creating a comfortable transition into fall. However, it also experiences a fair amount of humidity at 81% and the month sees about 57 mm (2.2 in) of rain over 8 days. In contrast, February presents a chillier climate, with temperatures dipping as low as -12°C (11°F) and averaging just 6°C (43°F), peaking at 20°C (68°F). This month is characterized by slightly higher precipitation of 71 mm (2.8 in) distributed over 12 days and a higher humidity level of 89%. For those curious about the specifics of winter weather, take a look at Chatres weather in February.

When comparing the weather in September and March, notable differences emerge. September enjoys a warmer climate, with average temperatures reaching 17°C (63°F) and maximum highs of 34°C (93°F), while March experiences much cooler temperatures, averaging at 8°C (47°F) and peaking at 24°C (75°F). Additionally, September sees less precipitation at 57 mm (2.2 in) over 8 days, compared to March's 75 mm (3.0 in) spread across 14 days. Humidity levels are slightly higher in March at 86%, compared to September's 81%, contributing to a different overall feel to each month. For a detailed look at March conditions, you can refer to Chatres weather in March.

In comparing the weather of September and April, we notice distinct differences in temperature and precipitation patterns. September typically enjoys warmer temperatures, with minimums around 5°C (41°F) and maximums reaching as high as 34°C (93°F), leading to an average of 17°C (63°F). In contrast, April starts off cooler, with minimum temperatures dropping to -3°C (27°F) and maximums peaking at 28°C (82°F), resulting in a lower average of 11°C (52°F). When it comes to rainfall, September experiences more precipitation overall, totaling 57 mm (2.2 in) over 8 days, while April sees only 32 mm (1.2 in) across 6 days. Humidity levels are fairly similar, with September at 81% and April slightly higher at 84%. For more detailed insights into April weather in a specific area, you can refer to this link: Chatres weather in April.

In September, the weather typically features a broader temperature range with minimums around 5°C (41°F) and maximums reaching up to 34°C (93°F), averaging 17°C (63°F). This month experiences around 57 mm (2.2 in) of precipitation over 8 days, with humidity levels averaging 81%. In contrast, May tends to be cooler, with minimum temperatures dropping to 0°C (33°F), average temperatures at 14°C (58°F), and maximums peaking at 31°C (87°F). Rainfall is slightly higher in May, with 72 mm (2.8 in) spread over 13 days, and humidity rises a bit to 82%. For a detailed view of May weather in this region, check out Chatres weather in May.

September and June showcase distinct weather patterns, making each month unique. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 34°C (93°F), averaging around 17°C (63°F). The month sees about 57 mm (2.2 in) of precipitation over 8 days, with humidity at 81%. Conversely, June features slightly warmer conditions, with temperatures starting at 7°C (45°F) and peaking at 36°C (97°F), averaging 19°C (66°F). Precipitation is higher in June, totaling 63 mm (2.5 in) over 11 days, and humidity remains high at 82%. For a more detailed look at June weather, visit Chatres weather in June.

The weather in September tends to be cooler than in July, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 34°C (93°F), compared to July's milder temperatures that range from a minimum of 8°C (47°F) to a peak of 42°C (107°F). While both months experience similar levels of precipitation at about 57 mm (2.2 in) for September and 53 mm (2.1 in) for July, September has slightly higher humidity at 81% compared to July's 80%. For a deeper look into July weather in this region, you can check Chatres weather in July.

In comparing the weather between September and August, September tends to be slightly cooler with average temperatures around 17°C (63°F) compared to August's warmer average of 20°C (68°F). While September reaches a maximum of 34°C (93°F), August can peak at a higher 38°C (100°F). Both months feature similar precipitation levels, with September recording 57 mm (2.2 in) over 8 days and August slightly higher at 56 mm (2.2 in) over 9 days. Notably, September's humidity is higher at 81%, compared to August's 76%. For more detailed information, you can check Chatres weather in August.

In September, the weather typically features a wide temperature range, with minimums around 5°C (41°F) and maximums reaching up to 34°C (93°F), averaging a comfortable 17°C (63°F). However, it remains relatively humid at 81%, with precipitation totaling about 57 mm (2.2 in) over approximately 8 days. In contrast, October experiences cooler temperatures, with lows dropping to 2°C (35°F) and an average of only 13°C (55°F), peaking at 26°C (79°F). The month is also wetter, with 86 mm (3.4 in) of rainfall spread across 13 days, and humidity rises slightly to 88%. For more detailed weather insights, visit Chatres weather in October.

September typically offers warmer temperatures, with averages around 17°C (63°F) and highs reaching up to 34°C (93°F). In contrast, November sees a significant drop in temperature, with an average of 8°C (46°F) and maximums that rarely exceed 20°C (67°F). Precipitation also differs, with September experiencing 57 mm (2.2 in) over 8 days, while November's rainfall increases to 69 mm (2.7 in) across 13 days. Humidity levels are higher in November at 92%, compared to September's 81%. For a detailed look at weather specifics during November, you can visit Chatres weather in November.

September weather is characterized by relatively mild temperatures, with an average of 17°C (63°F) and maximum highs reaching up to 34°C (93°F). The month typically experiences around 57 mm (2.2 in) of precipitation over 8 days, coupled with a humidity level of 81%. In contrast, December brings a significant drop in temperature, with averages around 6°C (43°F) and a maximum of only 15°C (60°F). This month is much wetter, accumulating 116 mm (4.6 in) of precipitation over 18 days, and the humidity rises to a colder 93%. For more details, you can check Chatres weather in December.

Compare Chatres's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Chatres

As September rolls in, Chatres experiences a delightful transition from the summer heat, characterized by warm highs around 34°C and a significantly cooler average temperature of 17°C. Unlike the sweltering summer months, this month brings a refreshing dip in the minimum temperature, which can drop down to 5°C at night. While the area sees about 57 mm of rainfall over the month, with precipitation occurring on 8 days, the overall humidity remains relatively high at 81%, offering a slightly muggy feel. This blend of warm days and cooler nights makes September a unique month that beautifully bridges the gap between summer's warmth and autumn's crispness. For a deeper understanding of the climate trends throughout the year, check out Chatres Climate.