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September Weather in Altillac, France

Last updated: August 23, 2025

The average temperature in Altillac, France during September is a pleasant 17°C (64°F). However, temperatures can fluctuate, with a minimum of 4°C (40°F) and a maximum reaching 32°C (90°F). Expect precipitation amounting to 72 mm (2.8 in) over 9 days, alongside an average humidity of 79%.

September Temperature in Altillac

In September in Altillac, the average temperature is 17°C (64°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 4°C (40°F). This weather makes it a great time to explore all that Altillac has to offer while enjoying a comfortable and varied climate.

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

The chart illustrates September temperature patterns in Altillac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altillac, September typically has an average temperature of 17°C (64°F), with highs reaching up to 32°C (90°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec394548535966707063554643
Data source: Temperature data for Altillac 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 Altillac

In Altillac in September, the precipitation amount is 72 mm (2.8 in) over the course of 9 days.

September Precipitation Trends in Altillac

The chart displays monthly precipitation patterns in Altillac, 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 Altillac, September typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec98881036811611267587296101175
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Altillac

In Altillac in September humidity is 79%. With an average temperature of 17°C (64°F), this humidity feels like a warm blanket wrapped around you, making outdoor activities feel a bit muggy and requiring frequent hydration as you explore the sights.

September Average Humidity in Altillac

This chart illustrates the average monthly humidity levels in Altillac, 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 Altillac is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%84%84%82%79%75%79%86%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Altillac

In Altillac 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 Altillac.

Maximum UV Index Levels in Altillac for September

The chart shows the monthly maximum UV Index (UVI) for Altillac 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 Altillac typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23678101097532
Data source: Altillac 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 Altillac Compares to Other Months

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

This table compares monthly weather conditions in Altillac, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)98 mm (3.8 inches)90%low
February Weather7°C (45°F)88 mm (3.5 inches)87%moderate
March Weather9°C (48°F)102 mm (4.0 inches)85%high
April Weather12°C (53°F)68 mm (2.7 inches)84%high
May Weather15°C (59°F)116 mm (4.6 inches)84%very high
June Weather19°C (67°F)112 mm (4.4 inches)82%very high
July Weather21°C (71°F)67 mm (2.6 inches)79%very high
August Weather21°C (70°F)58 mm (2.3 inches)75%very high
September Weather17°C (64°F)72 mm (2.8 inches)79%high
October Weather13°C (56°F)96 mm (3.8 inches)86%moderate
November Weather8°C (47°F)101 mm (4.0 inches)90%moderate
December Weather6°C (43°F)175 mm (6.9 inches)92%low

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