September Weather in Cieux, France

Last updated: August 23, 2025

In September, the average temperature in Cieux, France hovers around 17°C (63°F), with a minimum dipping to 3°C (38°F) and a maximum reaching 33°C (92°F). Expect around 66 mm (2.6 in) of precipitation spread over 9 days, contributing to an average humidity of 79%. Prepare for a blend of warmth and moisture in this vibrant locale!

September Temperature in Cieux

In September in Cieux, the average temperature is 17°C (63°F). Maximums can reach 33°C (92°F), and minimums can drop as low as 3°C (38°F). Be prepared for a wide range of temperatures, making it essential to pack both light and warm clothing for your travels.

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

The chart illustrates September temperature patterns in Cieux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cieux, September typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (92°F) and lows dropping to around 3°C (38°F).

Data source: Temperature data for Cieux generated using information from the Copernicus Climate Change Service.

September Precipitation in Cieux

In Cieux in September, the precipitation amount is 66 mm (2.6 in) over the course of 9 days.

September Precipitation Trends in Cieux

The chart displays monthly precipitation patterns in Cieux, 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 Cieux, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Cieux

In Cieux in September, humidity is 79%. With an average temperature of 17°C (63°F), this humidity feels like a warm, muggy embrace, making outdoor activities less comfortable and prompting travelers to seek shaded areas or cool refreshments more frequently.

September Average Humidity in Cieux

This chart illustrates the average monthly humidity levels in Cieux, 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 Cieux is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cieux

In Cieux 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 Cieux, you can refer to this Hourly UV Index in Cieux.

Maximum UV Index Levels in Cieux for September

The chart shows the monthly maximum UV Index (UVI) for Cieux 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 Cieux typically reaches 6, which falls under the high exposure category.

Data source: Cieux 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 Cieux Compares to Other Months

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

This table compares monthly weather conditions in Cieux, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	78 mm (3.1 inches)	90%	low
February Weather	7°C (44°F)	81 mm (3.2 inches)	87%	moderate
March Weather	9°C (48°F)	96 mm (3.8 inches)	85%	moderate
April Weather	11°C (53°F)	65 mm (2.6 inches)	84%	high
May Weather	14°C (58°F)	109 mm (4.3 inches)	84%	very high
June Weather	19°C (66°F)	97 mm (3.8 inches)	82%	very high
July Weather	21°C (69°F)	58 mm (2.3 inches)	79%	very high
August Weather	20°C (68°F)	45 mm (1.8 inches)	75%	very high
September Weather	17°C (63°F)	66 mm (2.6 inches)	79%	high
October Weather	13°C (55°F)	90 mm (3.6 inches)	86%	moderate
November Weather	8°C (46°F)	85 mm (3.4 inches)	90%	moderate
December Weather	6°C (43°F)	138 mm (5.4 inches)	92%	low