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September Weather in Le Drennec, France

Last updated: August 23, 2025

In Le Drennec, France, the average temperature in September hovers around 15°C (60°F). Expect a range that can dip to a cool 7°C (44°F) and may soar up to a warm 30°C (87°F). During this month, rainfall averages at 51 mm (2.0 in) across 10 days, accompanied by a humidity level of approximately 76%. Prepare accordingly!

September Temperature in Le Drennec

In September in Le Drennec, the average temperature is 15°C (60°F), with maximums reaching 30°C (87°F) and minimums dropping to as low as 7°C (44°F). This range makes it an ideal time for travelers to enjoy a mix of pleasant daytime warmth and cooler evenings, perfect for exploring the sights.

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

The chart illustrates September temperature patterns in Le Drennec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Le Drennec, 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 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec454648515560636260555048
Data source: Temperature data for Le Drennec 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 Drennec

In Le Drennec in September, the total precipitation amount is 51 mm (2.0 in) spread over a period of 10 days.

September Precipitation Trends in Le Drennec

The chart displays monthly precipitation patterns in Le Drennec, 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 Drennec, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec74927648678647585110988127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Le Drennec

In Le Drennec 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 Le Drennec

This chart illustrates the average monthly humidity levels in Le Drennec, 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 Drennec 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 Le Drennec

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

Maximum UV Index Levels in Le Drennec for September

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

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

This table compares monthly weather conditions in Le Drennec, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)74 mm (2.9 inches)89%low
February Weather8°C (47°F)92 mm (3.6 inches)88%moderate
March Weather9°C (48°F)76 mm (3.0 inches)85%moderate
April Weather10°C (51°F)48 mm (1.9 inches)84%high
May Weather13°C (55°F)67 mm (2.6 inches)81%very high
June Weather16°C (60°F)86 mm (3.4 inches)77%very high
July Weather17°C (64°F)47 mm (1.8 inches)63%very high
August Weather17°C (62°F)58 mm (2.3 inches)71%very high
September Weather15°C (60°F)51 mm (2.0 inches)76%high
October Weather13°C (55°F)109 mm (4.3 inches)89%moderate
November Weather10°C (50°F)88 mm (3.5 inches)90%low
December Weather9°C (48°F)127 mm (5.0 inches)90%low

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