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September Weather in Le Sourn, France

Last updated: August 23, 2025

In September, the average temperature in Le Sourn, France is a pleasant 16°C (61°F). However, temperatures can vary significantly, with minimums dipping to 4°C (39°F) and maximums soaring to 31°C (88°F). During this month, expect around 41 mm (1.6 in) of precipitation over approximately 8 days, and enjoy the embrace of 79% humidity that often accompanies the season.

September Temperature in Le Sourn

In September in Le Sourn, the average temperature is 16°C (61°F). The maximum can reach 31°C (88°F) and the minimum can be as low as 4°C (39°F). This variation in temperature makes it ideal for travelers to pack layers for both warm and cooler days.

September Weather in Le Sourn: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Le Sourn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Le Sourn, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec434547515662656460554846
Data source: Temperature data for Le Sourn 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 Le Sourn

In Le Sourn in September, the total precipitation amount is 41 mm (1.6 in) occurring over the course of 8 days.

September Precipitation Trends in Le Sourn

The chart displays monthly precipitation patterns in Le Sourn, 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 Le Sourn, September typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec4871624468894548419376102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Le Sourn

In Le Sourn in September humidity is 79%. With an average temperature of 16°C (61°F), this humidity feels like a warm, moist embrace, making travel a bit more challenging as the air tends to weigh heavily, but it also offers a refreshing atmosphere perfect for exploring local sights and enjoying nature.

September Average Humidity in Le Sourn

This chart illustrates the average monthly humidity levels in Le Sourn, 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 Le Sourn is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%81%82%82%80%77%78%79%82%81%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Le Sourn

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

Maximum UV Index Levels in Le Sourn for September

The chart shows the monthly maximum UV Index (UVI) for Le Sourn 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 Le Sourn typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Le Sourn 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 Le Sourn Compares to Other Months

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

This table compares monthly weather conditions in Le Sourn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)48 mm (1.9 inches)82%low
February Weather7°C (45°F)71 mm (2.8 inches)83%moderate
March Weather8°C (47°F)62 mm (2.5 inches)81%moderate
April Weather11°C (51°F)44 mm (1.7 inches)82%high
May Weather13°C (56°F)68 mm (2.7 inches)82%very high
June Weather17°C (62°F)89 mm (3.5 inches)80%very high
July Weather18°C (66°F)45 mm (1.8 inches)77%very high
August Weather18°C (64°F)48 mm (1.9 inches)78%very high
September Weather16°C (61°F)41 mm (1.6 inches)79%high
October Weather13°C (55°F)93 mm (3.7 inches)82%moderate
November Weather9°C (48°F)76 mm (3.0 inches)81%low
December Weather8°C (46°F)101 mm (4.0 inches)82%low

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