September Weather in Clerval, France

Last updated: August 23, 2025

The average temperature in Clerval, France during September hovers around 16°C (62°F). Expect a minimum drop to 4°C (40°F), while the mercury can rise to a warm 31°C (89°F). With an average precipitation of 54 mm (2.1 in) over 9 days, you might want to keep an umbrella handy. Lastly, enjoy the tropical climate with an average humidity level of 81%, adding to the overall warmth of the month!

September Temperature in Clerval

In September in Clerval, the average temperature is 16°C (62°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop to as low as 4°C (40°F). Be sure to pack layers for your travels, as the weather can vary greatly throughout the day.

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

The chart illustrates September temperature patterns in Clerval, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clerval, September typically has an average temperature of 16°C (62°F), with highs reaching up to 31°C (89°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Clerval

In Clerval in September, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.

September Precipitation Trends in Clerval

The chart displays monthly precipitation patterns in Clerval, 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 Clerval, September typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Clerval

In Clerval in September, humidity is 81%. With an average temperature of 16°C (62°F), this humidity feels like a warm embrace that can quickly leave travelers feeling sticky and drained, making outdoor adventures a bit challenging unless they stay properly hydrated and take breaks in the shade.

September Average Humidity in Clerval

This chart illustrates the average monthly humidity levels in Clerval, 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 Clerval is approximately 81%, 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 Clerval

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

Maximum UV Index Levels in Clerval for September

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

Data source: Clerval 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 Clerval Compares to Other Months

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

This table compares monthly weather conditions in Clerval, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	115 mm (4.5 inches)	91%	low
February Weather	5°C (41°F)	97 mm (3.8 inches)	89%	moderate
March Weather	7°C (45°F)	108 mm (4.3 inches)	87%	moderate
April Weather	11°C (52°F)	59 mm (2.3 inches)	84%	high
May Weather	14°C (58°F)	125 mm (4.9 inches)	80%	very high
June Weather	19°C (67°F)	94 mm (3.7 inches)	82%	very high
July Weather	21°C (70°F)	66 mm (2.6 inches)	82%	very high
August Weather	21°C (69°F)	48 mm (1.9 inches)	77%	very high
September Weather	16°C (62°F)	54 mm (2.1 inches)	81%	high
October Weather	12°C (53°F)	91 mm (3.6 inches)	89%	moderate
November Weather	6°C (44°F)	88 mm (3.4 inches)	89%	low
December Weather	4°C (40°F)	162 mm (6.4 inches)	91%	low