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September Weather in Cestas, France

Last updated: August 23, 2025

In Cestas, France, the average temperature in September hovers around 19°C (67°F). Expect a range where the minimum can drop to 6°C (44°F), while the maximum can soar up to 37°C (99°F). With an average humidity of 76% and 58 mm (2.3 in) of precipitation spread over 9 days, prepare for a month that offers both warmth and refreshing showers.

September Temperature in Cestas

In September in Cestas, the average temperature is 19°C (67°F). Maximums can reach 37°C (99°F) and minimums can be as low as 6°C (44°F). Travelers should prepare for a range of temperatures, packing both warm and light clothing to enjoy their stay comfortably.

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

The chart illustrates September temperature patterns in Cestas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cestas, September typically has an average temperature of 19°C (67°F), with highs reaching up to 37°C (99°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec434851566268727167595047
Data source: Temperature data for Cestas 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 Cestas

In Cestas in September, the precipitation amount is 58 mm (2.3 in) spread over 9 days.

September Precipitation Trends in Cestas

The chart displays monthly precipitation patterns in Cestas, 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 Cestas, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec60647366125974746587078125
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cestas

In Cestas in September, humidity is 76%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sluggish and requiring regular breaks to stay hydrated while exploring.

September Average Humidity in Cestas

This chart illustrates the average monthly humidity levels in Cestas, 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 Cestas is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%82%82%80%76%73%76%82%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cestas

In Cestas 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 Cestas.

Maximum UV Index Levels in Cestas for September

The chart shows the monthly maximum UV Index (UVI) for Cestas 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 Cestas typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367810987532
Data source: Cestas 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 Cestas Compares to Other Months

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

This table compares monthly weather conditions in Cestas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)60 mm (2.4 inches)85%low
February Weather9°C (48°F)64 mm (2.5 inches)83%moderate
March Weather11°C (51°F)73 mm (2.9 inches)82%high
April Weather13°C (56°F)66 mm (2.6 inches)82%high
May Weather17°C (62°F)125 mm (4.9 inches)82%very high
June Weather20°C (68°F)97 mm (3.8 inches)80%very high
July Weather22°C (72°F)47 mm (1.8 inches)76%very high
August Weather22°C (71°F)46 mm (1.8 inches)73%very high
September Weather19°C (67°F)58 mm (2.3 inches)76%high
October Weather15°C (59°F)70 mm (2.8 inches)81%moderate
November Weather10°C (50°F)78 mm (3.1 inches)83%moderate
December Weather8°C (47°F)125 mm (4.9 inches)85%low

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