nomadseason

September Weather in Berrien, France

Last updated: August 23, 2025

In September, the average temperature in Berrien, France hovers around 15°C (59°F). Expect your lowest chills at 6°C (42°F), while the mercury may soar up to a warm 30°C (86°F). With an average humidity of 76%, prepare for some muggy moments. Be mindful of potential rain, as 48 mm (1.9 in) of precipitation can be expected over about 10 days.

September Temperature in Berrien

In September in Berrien, the average temperature is 15°C (59°F). Maximums can reach 30°C (86°F), and minimums can be as low as 6°C (42°F). This makes Berrien a pleasant destination for various outdoor activities, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Berrien, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Berrien, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec444547505460636259544846
Data source: Temperature data for Berrien generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Berrien

In Berrien in September, the precipitation amount is 48 mm (1.9 in) spread over a period of 10 days.

September Precipitation Trends in Berrien

The chart displays monthly precipitation patterns in Berrien, 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 Berrien, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec71867351739948544811082126
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Berrien

In Berrien in September humidity is 76%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities less enjoyable and often leading to a quick sense of fatigue while traveling.

September Average Humidity in Berrien

This chart illustrates the average monthly humidity levels in Berrien, 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 Berrien is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%85%84%81%77%63%71%76%89%90%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Berrien

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

Maximum UV Index Levels in Berrien for September

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

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

This table compares monthly weather conditions in Berrien, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)71 mm (2.8 inches)89%low
February Weather7°C (45°F)86 mm (3.4 inches)88%moderate
March Weather8°C (47°F)73 mm (2.9 inches)85%moderate
April Weather10°C (50°F)51 mm (2.0 inches)84%high
May Weather12°C (55°F)73 mm (2.9 inches)81%very high
June Weather15°C (60°F)99 mm (3.9 inches)77%very high
July Weather17°C (63°F)48 mm (1.9 inches)63%very high
August Weather17°C (62°F)54 mm (2.1 inches)71%very high
September Weather15°C (59°F)48 mm (1.9 inches)76%high
October Weather12°C (55°F)110 mm (4.3 inches)89%moderate
November Weather9°C (49°F)82 mm (3.2 inches)90%low
December Weather8°C (47°F)126 mm (5.0 inches)90%low

Compare Berrien's Climate with Cities Worldwide