September Weather in Alet-les-Bains, France

Last updated: August 23, 2025

In September, the average temperature in Alet-les-Bains, France hovers around 18°C (65°F), with temperatures ranging from a cool 6°C (44°F) to a warm 30°C (87°F). Expect about 69 mm (2.7 in) of precipitation over 8 days, contributing to an average humidity of 73%.

September Temperature in Alet-les-Bains

In September in Alet-les-Bains, the average temperature is 18°C (65°F). Maximum temperatures can reach 30°C (87°F), while minimums can dip to as low as 6°C (44°F). This range makes Alet-les-Bains an ideal destination for travelers seeking pleasant weather and opportunities for outdoor activities.

September Weather in Alet-les-Bains: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Alet-les-Bains, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alet-les-Bains, September typically has an average temperature of 18°C (65°F), with highs reaching up to 30°C (87°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec414648525966717164574844
Data source: Temperature data for Alet-les-Bains 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 Alet-les-Bains

In Alet-les-Bains in September, the precipitation amount is 69 mm (2.7 in) that falls over a period of 8 days.

September Precipitation Trends in Alet-les-Bains

The chart displays monthly precipitation patterns in Alet-les-Bains, 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 Alet-les-Bains, September typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec735576779979704769907289
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Alet-les-Bains

In Alet-les-Bains in September, humidity is 73%. With an average temperature of 18°C (65°F), this humidity feels like a warm, slightly muggy embrace that can make exploring the outdoors a bit sticky, yet still pleasant for leisurely strolls and sightseeing.

September Average Humidity in Alet-les-Bains

This chart illustrates the average monthly humidity levels in Alet-les-Bains, 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 Alet-les-Bains is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Alet-les-Bains

In Alet-les-Bains in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Alet-les-Bains.

Maximum UV Index Levels in Alet-les-Bains for September

The chart shows the monthly maximum UV Index (UVI) for Alet-les-Bains 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 Alet-les-Bains typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Alet-les-Bains 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 Alet-les-Bains Compares to Other Months

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

This table compares monthly weather conditions in Alet-les-Bains, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)73 mm (2.9 inches)87%low
February Weather8°C (46°F)55 mm (2.2 inches)83%moderate
March Weather9°C (48°F)76 mm (3.0 inches)80%high
April Weather11°C (53°F)77 mm (3.0 inches)77%high
May Weather15°C (59°F)99 mm (3.9 inches)75%very high
June Weather19°C (67°F)79 mm (3.1 inches)74%very high
July Weather21°C (71°F)70 mm (2.7 inches)72%very high
August Weather21°C (71°F)47 mm (1.8 inches)70%very high
September Weather18°C (65°F)69 mm (2.7 inches)73%high
October Weather14°C (57°F)90 mm (3.5 inches)82%moderate
November Weather9°C (48°F)72 mm (2.8 inches)87%moderate
December Weather7°C (45°F)89 mm (3.5 inches)88%low

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