September Weather in Ciboure, France

Last updated: August 23, 2025

In September, the average temperature in Ciboure, France hovers around 20°C (68°F). Expect a minimum dip to 13°C (56°F) and a peak of 32°C (90°F). During this time, you can anticipate approximately 101 mm (4.0 in) of precipitation over 11 days, alongside a comfortable average humidity of 75%.

September Temperature in Ciboure

In September, in Ciboure, the average temperature is 20°C (68°F). Maximum temperatures can reach 32°C (90°F), while the minimum can drop as low as 13°C (56°F). This pleasant climate makes Ciboure an ideal destination for travelers looking to enjoy moderate weather and outdoor activities.

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

The chart illustrates September temperature patterns in Ciboure, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ciboure, September typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (90°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec495253566065697068625553
Data source: Temperature data for Ciboure 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 Ciboure

In Ciboure in September, the precipitation amount is 101 mm (4.0 in) spread over 11 days.

September Precipitation Trends in Ciboure

The chart displays monthly precipitation patterns in Ciboure, 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 Ciboure, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec152127118901191047468101134226256
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ciboure

In Ciboure in September, humidity is 75%. With an average temperature of 20°C (68°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and exhausted.

September Average Humidity in Ciboure

This chart illustrates the average monthly humidity levels in Ciboure, 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 Ciboure is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%83%81%80%81%80%76%75%81%85%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ciboure

In Ciboure 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 Ciboure.

Maximum UV Index Levels in Ciboure for September

The chart shows the monthly maximum UV Index (UVI) for Ciboure 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 Ciboure typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24579101097532
Data source: Ciboure 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 Ciboure Compares to Other Months

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

This table compares monthly weather conditions in Ciboure, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)152 mm (6.0 inches)86%low
February Weather11°C (52°F)127 mm (5.0 inches)85%moderate
March Weather12°C (53°F)118 mm (4.6 inches)82%moderate
April Weather13°C (56°F)90 mm (3.5 inches)81%high
May Weather16°C (60°F)119 mm (4.7 inches)80%very high
June Weather19°C (66°F)104 mm (4.1 inches)81%very high
July Weather21°C (69°F)74 mm (2.9 inches)80%very high
August Weather21°C (70°F)68 mm (2.7 inches)76%very high
September Weather20°C (68°F)101 mm (4.0 inches)75%high
October Weather17°C (63°F)134 mm (5.3 inches)81%moderate
November Weather13°C (56°F)226 mm (8.9 inches)85%moderate
December Weather12°C (53°F)256 mm (10.1 inches)87%low

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