September Weather in Apt, France

Last updated: February 26, 2025

September in Apt, France offers a delightful transition into autumn, with maximum temperatures reaching up to 30°C (87°F) and a pleasant average of 18°C (64°F). While the minimum temperature can dip to 5°C (40°F), the month is characterized by the relatively moderate humidity level of 71%. Rainfall is moderate, with 58 mm (2.3 in) spread over 7 days, contributing to the region’s lush landscapes. September is an ideal time for visitors to enjoy the warmth of early fall while exploring the charming surroundings of this picturesque town.

September Temperature in Apt

In September, Apt, France, begins to transition from the warm summer months into the cooler embrace of autumn. The temperatures reveal a delightful shift, with lows averaging around 5°C (40°F) and comfortable highs peaking at 30°C (87°F). This month offers an average temperature of 18°C (64°F), making it a pleasant time for outdoor activities and enjoying the stunning fall foliage. As days grow shorter, there's a gradual move away from the scorching heat of summer, while still providing ample warmth to relish the late-season sunshine. The pleasant climate creates an inviting atmosphere, perfect for exploring the rich culture and beautiful landscapes of the region.

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

The chart illustrates September temperature patterns in Apt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec394346525968727264554640
Data source: Temperature data for Apt 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 Apt

September in Apt, France, signals a shift in the climate, as precipitation reaches an average of 58 mm (2.3 in) over approximately 7 days. This marks a notable increase compared to the drier summer months of July and August, where rainfall was just 30 mm (1.2 in) and 45 mm (1.8 in), respectively. The gradual rise in precipitation hints at the approach of autumn, setting the stage for the wetter months ahead. Such a trend illustrates a lively transition in the landscape, where the increasing moisture begins to revitalize the surroundings, paving the way for the lushness that follows in October and November. As the leaves start to change, this early September rainfall plays a crucial role in nurturing the natural beauty of this picturesque region.

September Precipitation Trends in Apt

The chart displays monthly precipitation patterns in Apt, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4348818812061304558109121114
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Apt

As summer bids farewell in September, the humidity in Apt, France, offers a subtle reminder of the changing seasons, settling at 71%. This reflects a slight increase from the drier days of August, when humidity dropped to 66%. Observing the pattern throughout the year, it's evident that humidity tends to rise steadily as autumn approaches—climbing from 71% in March to 78% in October. This consistent trend hints at a more humid atmosphere, which is typical as the cooler months draw near, setting the stage for the lush landscapes that characterize the region. Overall, September's humidity serves as a transitional marker, bridging the warm embrace of summer with the crispness of fall.

September Average Humidity in Apt

This chart illustrates the average monthly humidity levels in Apt, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%75%74%72%69%66%71%78%82%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Apt

As summer transitions to autumn, September in Apt, France, showcases a notable decrease in UV radiation, with the UV Index dipping to 7, categorized as high. This marks a reduction from the peak levels experienced in the height of summer, yet still calls for careful sun protection, particularly during outdoor activities, as the burn time remains at 25 minutes. Notably, this trend reflects the gradual shift in seasonal sunlight, as the UV Index was significantly higher throughout the summer months, where exposure was classified as very high with burn times as short as 15 minutes. As fall approaches, it’s essential to remain vigilant against UV exposure. For more detailed insights, visit Apt UV Index.

Maximum UV Index Levels in Apt for September

The chart shows the monthly maximum UV Index (UVI) for Apt 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.
JanFebMarAprMayJunJulAugSepOctNovDec2467910997532
Data source: Apt 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 Apt

As summer transitions into fall, September in Apt, France, brings a delightful blend of warmth and golden rays, boasting 342 hours of sunshine. This marks a gentle decline from the sun-drenched peak of July, which recorded 438 hours, but still promises plenty of vibrant days. The trend showcases that while the heights of summer bask in abundant light, September retains a significant glow, making it a splendid time for both locals and visitors to savor the picturesque landscapes and harvest festivities. With October following closely behind at 304 hours, the lingering warmth of September offers a beautiful send-off to the sunny season, inviting leisurely strolls through vineyards and charming streets under the soft autumn sun.

Monthly Sunshine Duration in Apt: September Highlighted

The September sunshine duration represents the total number of hours Apt 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.
JanFebMarAprMayJunJulAugSepOctNovDec185h256h323h342h398h421h438h404h342h304h243h238h
Data source: Apt September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Apt During September

In Apt, France, the likelihood of sunny weather in September demonstrates a notable trend within the annual climate pattern. With a 48% chance of sunshine, September sits comfortably between the peak summer months and the more variable fall season. This percentage reflects a slight dip from August's impressive 73%, yet remains higher than several spring and early summer months, such as May (46%) and April (50%). The sunny disposition of September suggests a transitional period, where the lingering warmth of summer begins to intertwine with the crispness of autumn, making it a delightful time for outdoor activities in this picturesque region. Overall, while September may not guarantee a sunny sky, it certainly offers a fair chance for radiant days, inviting visitors to savor the beauty of Apt as the season changes.

Percentage of Sunny Days in September in Apt

The chart illustrates the percentage of sunny days in Apt 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 Apt experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%42%62%50%46%52%59%73%48%59%52%56%
Data source: Apt September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Apt in September

As September arrives in Apt, France, the days begin to gradually shorten, offering around 12 hours of daylight—a gentle transition from the vibrant summer months. Following June and July's peak of 15 hours, September marks the beginning of a subtle shift towards autumn, with daylight still plentiful but noticeably less than the height of summer. This reduction in daylight reflects the natural progression of the seasons, where October will further decrease to 10 hours, leading into the coziness of fall. The evolving daylight in Apt not only enhances the beauty of the landscape but also encourages locals and visitors alike to relish the lingering warmth of early autumn before the days grow shorter and cooler.

Average Daylight Hours in Apt for September

The chart illustrates the variation in daylight duration in Apt throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 18m10h 28m11h 57m13h 27m14h 45m15h 24m15h 3m13h 54m12h 27m10h 57m9h 37m8h 56m
Data source: Apt daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Apt

As the summer fades into autumn, September in Apt, France brings a subtle shift in the air, marked by a gentle breeze with an average wind speed of 2.1 m/s (5 mph). This slight decline from the breezier months of May through July reflects the transition from the warmer, vibrant days to the cooler, crisper evenings of fall. While the wind slows somewhat, it still carries a refreshing quality that characterizes the serene landscape, making it perfect for leisurely strolls through the charming streets of Apt. With the subsequent months averaging around 2.5 m/s (6 mph), the early autumn air invites moments of reflection amidst the tranquil beauty of the region, offering an exquisite blend of comfort and coolness.

Average September Wind Speed in Apt

The chart displays monthly wind speed patterns in Apt, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.92.42.52.53.02.32.72.52.1 m/s2.52.22.4
Data source: Apt September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Apt Compares to Other Months

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

September and January present contrasting weather patterns in terms of temperature and precipitation. In September, temperatures range from a pleasant 5°C (40°F) at night to a warm maximum of 30°C (87°F) during the day, with an average of 18°C (64°F). The month experiences about 58 mm (2.3 in) of rainfall over 7 days, coupled with a humidity level of 71%. In stark contrast, January brings much colder temperatures, with a minimum of -6°C (22°F) and a maximum of only 15°C (59°F), averaging around 4°C (39°F). Precipitation decreases slightly to 43 mm (1.7 in), spread over 8 days, while humidity rises to 80%. For more details on January weather, check Apt weather in January.

When comparing the weather between September and February, we see a significant contrast. September is much warmer, with average temperatures around 18°C (64°F) and highs reaching up to 30°C (87°F), while February brings much cooler conditions, averaging just 6°C (43°F) and peaking at 20°C (68°F). Both months experience a similar number of rainy days, 7 in total, but September sees slightly more precipitation at 58 mm (2.3 in) compared to February's 48 mm (1.9 in). Humidity levels are similar, hovering around 71% in September and rising slightly to 73% in February. For those interested in more details about February's climate, you can check out this link: Apt weather in February.

In comparing the weather between September and March, September tends to be warmer, with average temperatures reaching 18°C (64°F) and highs of up to 30°C (87°F). In contrast, March is cooler, with an average temperature of 8°C (47°F) and maximums only reaching 21°C (70°F). Precipitation is slightly higher in March, totaling 81 mm (3.2 in) over about 8 days, whereas September experiences 58 mm (2.3 in) over 7 days. Interestingly, both months share the same humidity levels at 71%. For more detailed insights, you can check out this link: Apt weather in March.

In comparing the weather between September and April, we can see distinct differences in temperature and precipitation patterns. September enjoys a warmer climate, with average temperatures reaching 18°C (64°F) and a maximum of 30°C (87°F), while April typically experiences cooler conditions, averaging around 11°C (52°F) with a maximum of 25°C (77°F). Additionally, April tends to be slightly wetter, receiving 88 mm of precipitation over 10 days compared to September's 58 mm over 7 days. Humidity levels are also a bit higher in April at 75%, compared to September's 71%. For more detailed insights, you can check out the Apt weather in April.

When comparing the weather in September and May, one can observe notable differences in temperature and precipitation. September generally offers a warmer climate, with average temperatures reaching 18°C (64°F) and maximums soaring up to 30°C (87°F). In contrast, May tends to be cooler, showcasing average temperatures of 15°C (59°F) and highs around 29°C (85°F), with minimum temperatures dipping as low as 1°C (33°F).

Precipitation levels also vary significantly; September experiences about 58 mm (2.3 in) of rain over roughly 7 days, while May sees a higher amount of 120 mm (4.7 in) spread over 13 days. This results in generally more humid conditions in May at 74%, compared to 71% in September. For more details on the weather conditions in May, you can refer to Apt weather in May.

When comparing the weather in September and June, it's clear that both months offer a varied range of temperatures and precipitation levels. September, with minimum temperatures around 5°C (40°F) and maximums reaching 30°C (87°F), presents a mild average temperature of 18°C (64°F). In contrast, June starts with slightly warmer minimums at 7°C (44°F) and peaks at a more extreme 38°C (101°F), averaging 20°C (68°F). Both months experience similar levels of precipitation, with September recording 58 mm (2.3 in) over 7 days, while June has a slightly higher 61 mm (2.4 in) spread over 10 days. Humidity levels are relatively consistent, with September at 71% and June at 72%. For more detailed insights into June weather, check out Apt weather in June.

September's weather offers a broad range of temperatures, with a minimum of 5°C (40°F) and a maximum of 30°C (87°F), averaging around 18°C (64°F). In contrast, July tends to be warmer with a minimum of 10°C (51°F) and a maximum of 33°C (92°F), averaging 22°C (72°F). While September experiences slightly more precipitation at 58 mm (2.3 in) over 7 days, July is drier with only 30 mm (1.2 in) spread across 5 days. Additionally, September's humidity is a touch higher at 71% compared to July's 69%. For more detailed insights, you can check out Apt weather in July.

In comparing the weather between September and August, it’s evident that September brings cooler temperatures, with a minimum of 5°C (40°F) compared to August's 9°C (49°F). While August enjoys a warmer average temperature of 22°C (72°F) and a maximum of 35°C (95°F), September's averages settle at 18°C (64°F) with a maximum of 30°C (87°F). Additionally, September experiences slightly more precipitation at 58 mm (2.3 in) over seven days, compared to August's 45 mm (1.8 in) over six days. Humidity levels are also higher in September at 71%, while August maintains a lower humidity at 66%. For more details on the weather in August, you can check out Apt weather in August.

September and October present a noticeable shift in weather conditions. In September, temperatures range from a minimum of 5°C (40°F) to a maximum of 30°C (87°F), with an average temperature of 18°C (64°F). The month experiences moderate rainfall totaling 58 mm (2.3 in) over about 7 days, alongside a humidity level of 71%. In contrast, October brings cooler temperatures, with lows of 1°C (35°F) and highs of 24°C (76°F), averaging 13°C (56°F). This month sees increased precipitation at 109 mm (4.3 in) over 8 days, along with higher humidity at 78%. For more details on the weather in October, check out Apt weather in October.

September and November present contrasting weather patterns. In September, temperatures fluctuate significantly, ranging from a mild 5°C (40°F) at night to a warm 30°C (87°F) during the day, with an average of 18°C (64°F). The month experiences about 58 mm (2.3 in) of precipitation over approximately seven days, accompanied by a humidity level of 71%. In stark contrast, November sees much cooler temperatures, with lows dropping to -3°C (27°F) and an average of 8°C (46°F), peaking at 18°C (65°F). Precipitation increases notably to 121 mm (4.8 in) over eleven days, and humidity rises to 82%. For more detailed insights on November weather, check out this link: Apt weather in November.

September and December display stark contrasts in weather patterns. In September, temperatures range from a mild 5°C (40°F) at night to a warm 30°C (87°F) during the day, with an average of 18°C (64°F). The month witnesses an average precipitation of 58 mm (2.3 in) over about 7 days, accompanied by a relatively lower humidity of 71%. In contrast, December brings cooler temperatures, with a minimum of -5°C (23°F) and a maximum of 16°C (62°F), averaging around 5°C (41°F). This winter month experiences significantly higher precipitation at 114 mm (4.5 in) over approximately 11 days, alongside increased humidity at 79%. For more details on the weather in December, you can refer to this link: Apt weather in December.

Compare Apt's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Apt

As summer transitions to autumn, September in Apt brings a refreshing change in the weather. With a comfortable average temperature around 18°C (64°F), the warmth of the lingering sun is perfectly complemented by cooler evenings, making for ideal outdoor experiences. While the month does see some rain, averaging 58 mm over about 7 days, it's an opportunity for the landscape to rejuvenate before winter sets in. Humidity levels hover around 71%, creating a crisp yet inviting atmosphere. Compared to the heat of July and August, September offers a more temperate climate, perfect for exploring the vibrant natural beauty of the region. To learn more about the weather patterns throughout the year, visit Apt Climate.