September Weather in Lalande-en-Son, France

Last updated: August 23, 2025

In September, the average temperature in Lalande-en-Son, France is a comfortable 15°C (60°F). Temperatures can vary, with a minimum of 4°C (39°F) and a maximum of 30°C (87°F). Expect 44 mm (1.8 in) of precipitation spread over about 10 days, and enjoy the moist atmosphere with an average humidity of 76%.

September Temperature in Lalande-en-Son

In September in Lalande-en-Son, the average temperature is 15°C (60°F). The maximum can reach 30°C (87°F), while the minimum can drop to as low as 4°C (39°F). It's a perfect time to explore Lalande-en-Son, as you can enjoy mild days ideal for outdoor activities along with cooler evenings.

September Weather in Lalande-en-Son: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lalande-en-Son, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lalande-en-Son, September typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (87°F) and lows dropping to around 4°C (39°F).

Data source: Temperature data for Lalande-en-Son generated using information from the Copernicus Climate Change Service.

September Precipitation in Lalande-en-Son

In Lalande-en-Son in September, the precipitation amount is 44 mm (1.8 in), spread over a period of 10 days.

September Precipitation Trends in Lalande-en-Son

The chart displays monthly precipitation patterns in Lalande-en-Son, 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 Lalande-en-Son, September typically receives around 44 mm (1.8 inches) of precipitation spread over approximately 10 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 Lalande-en-Son

In Lalande-en-Son in September humidity is 76%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit more challenging and urging you to stay hydrated while exploring the area.

September Average Humidity in Lalande-en-Son

This chart illustrates the average monthly humidity levels in Lalande-en-Son, 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 Lalande-en-Son is approximately 76%, 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 Lalande-en-Son

In Lalande-en-Son 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 Lalande-en-Son, you can refer to this Hourly UV Index in Lalande-en-Son.

Maximum UV Index Levels in Lalande-en-Son for September

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

Data source: Lalande-en-Son 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 Lalande-en-Son Compares to Other Months

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

This table compares monthly weather conditions in Lalande-en-Son, 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)	63 mm (2.5 inches)	91%	low
February Weather	5°C (42°F)	69 mm (2.7 inches)	89%	moderate
March Weather	7°C (46°F)	79 mm (3.1 inches)	85%	moderate
April Weather	10°C (50°F)	40 mm (1.6 inches)	84%	high
May Weather	13°C (56°F)	81 mm (3.2 inches)	82%	very high
June Weather	17°C (63°F)	68 mm (2.7 inches)	80%	very high
July Weather	19°C (66°F)	45 mm (1.8 inches)	73%	very high
August Weather	18°C (65°F)	69 mm (2.7 inches)	68%	very high
September Weather	15°C (60°F)	44 mm (1.8 inches)	76%	high
October Weather	12°C (54°F)	83 mm (3.3 inches)	88%	moderate
November Weather	7°C (45°F)	77 mm (3.0 inches)	92%	low
December Weather	6°C (43°F)	112 mm (4.4 inches)	93%	low