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September Weather in Les Alleuds, France

Last updated: August 23, 2025

In Les Alleuds, France, the average temperature in September is a pleasant 18°C (64°F). However, be prepared for a range of temperatures, with minimums dipping to 5°C (41°F) and maximums soaring to 36°C (96°F). During this month, you can expect an average precipitation of 35 mm (1.4 in) over approximately 7 days, coupled with an average humidity of 75%.

September Temperature in Les Alleuds

In September in Les Alleuds, the average temperature is 18°C (64°F). Maximum temperatures can reach 36°C (96°F), and the minimum can drop as low as 5°C (41°F). This makes Les Alleuds an ideal destination for travelers seeking a mix of warm days and cooler evenings.

September Weather in Les Alleuds: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Les Alleuds, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Les Alleuds, September typically has an average temperature of 18°C (64°F), with highs reaching up to 36°C (96°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec424548535966696864564745
Data source: Temperature data for Les Alleuds 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 Les Alleuds

In Les Alleuds in September, the precipitation amount is 35 mm (1.4 in) over the course of 7 days.

September Precipitation Trends in Les Alleuds

The chart displays monthly precipitation patterns in Les Alleuds, 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. In Les Alleuds, September typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec466065476789323635757187
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Les Alleuds

In Les Alleuds in September, humidity is 75%. With an average temperature of 18°C (64°F), this humidity feels like a warm blanket enveloping you, making your travels a bit sticky and requiring frequent breaks in the shade to stay comfortable.

September Average Humidity in Les Alleuds

This chart illustrates the average monthly humidity levels in Les Alleuds, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Les Alleuds is approximately 75%, offering insight into how humid the weather typically is during this month.
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 Les Alleuds

In Les Alleuds in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Les Alleuds, you can refer to this Hourly UV Index in Les Alleuds.

Maximum UV Index Levels in Les Alleuds for September

The chart shows the monthly maximum UV Index (UVI) for Les Alleuds 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. In September, the maximum UV index in Les Alleuds typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Les Alleuds 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.

How September Weather in Les Alleuds Compares to Other Months

Weather in Les Alleuds varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Les Alleuds, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Les Alleuds, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)46 mm (1.8 inches)88%low
February Weather7°C (45°F)60 mm (2.4 inches)87%moderate
March Weather9°C (49°F)65 mm (2.6 inches)84%moderate
April Weather12°C (53°F)47 mm (1.8 inches)83%high
May Weather15°C (59°F)67 mm (2.6 inches)81%very high
June Weather19°C (66°F)89 mm (3.5 inches)75%very high
July Weather21°C (70°F)32 mm (1.3 inches)65%very high
August Weather20°C (69°F)36 mm (1.4 inches)67%very high
September Weather18°C (64°F)35 mm (1.4 inches)75%high
October Weather13°C (56°F)75 mm (2.9 inches)85%moderate
November Weather8°C (47°F)71 mm (2.8 inches)88%low
December Weather7°C (45°F)87 mm (3.4 inches)90%low

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