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September Weather in Lassay-les-Chateaux, France

Last updated: August 23, 2025

In September, the average temperature in Lassay-les-Chateaux, France is a comfortable 15°C (60°F). While the minimum can dip to 5°C (41°F), you may also experience pleasant highs of up to 32°C (90°F). Expect 51 mm (2.0 in) of precipitation spread across about 10 days, with an average humidity level of 79%. 🌧️☀️

September Temperature in Lassay-les-Chateaux

In September in Lassay-les-Chateaux, the average temperature is 15°C (60°F). Maximums can reach 32°C (90°F), while minimums can drop to as low as 5°C (41°F). This makes it an ideal time for travelers to enjoy a mix of pleasant days and cooler evenings in Lassay-les-Chateaux.

September Weather in Lassay-les-Chateaux: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lassay-les-Chateaux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lassay-les-Chateaux, September typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec414346515663666460544643
Data source: Temperature data for Lassay-les-Chateaux 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 Lassay-les-Chateaux

In Lassay-les-Chateaux in September, the total precipitation amount is 51 mm (2.0 in) spread over a period of 10 days.

September Precipitation Trends in Lassay-les-Chateaux

The chart displays monthly precipitation patterns in Lassay-les-Chateaux, 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 Lassay-les-Chateaux, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5971734484994955518780107
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lassay-les-Chateaux

In Lassay-les-Chateaux in September, humidity is 79%. With an average temperature of 15°C (60°F), this humidity feels like a warm, enveloping blanket that can make traveling feel muggy and a bit stifling, requiring frequent breaks to stay refreshed and hydrated.

September Average Humidity in Lassay-les-Chateaux

This chart illustrates the average monthly humidity levels in Lassay-les-Chateaux, 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 Lassay-les-Chateaux is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lassay-les-Chateaux

In Lassay-les-Chateaux 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 Lassay-les-Chateaux, you can refer to this Hourly UV Index in Lassay-les-Chateaux.

Maximum UV Index Levels in Lassay-les-Chateaux for September

The chart shows the monthly maximum UV Index (UVI) for Lassay-les-Chateaux 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 Lassay-les-Chateaux typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Lassay-les-Chateaux 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 Lassay-les-Chateaux Compares to Other Months

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

This table compares monthly weather conditions in Lassay-les-Chateaux, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)59 mm (2.3 inches)90%low
February Weather6°C (43°F)71 mm (2.8 inches)89%moderate
March Weather8°C (46°F)73 mm (2.9 inches)86%moderate
April Weather11°C (51°F)44 mm (1.7 inches)84%high
May Weather13°C (56°F)83 mm (3.3 inches)80%very high
June Weather17°C (63°F)99 mm (3.9 inches)80%very high
July Weather19°C (66°F)49 mm (1.9 inches)69%very high
August Weather18°C (65°F)55 mm (2.2 inches)73%very high
September Weather15°C (60°F)51 mm (2.0 inches)79%high
October Weather12°C (54°F)87 mm (3.4 inches)89%moderate
November Weather8°C (46°F)80 mm (3.1 inches)92%low
December Weather6°C (44°F)107 mm (4.2 inches)92%low

Compare Lassay-les-Chateaux's Climate with Cities Worldwide