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September Weather in Houdan, France

Last updated: August 23, 2025

In September, the average temperature in Houdan, France is a pleasant 16°C (61°F). Be prepared for a temperature range that can drop to a chilly 4°C (40°F) and soar up to a warm 33°C (92°F). During this time, expect 44 mm (1.7 in) of precipitation spread over 8 days, with an average humidity of 76% adding to the overall atmosphere. Get ready for a month of varied weather!

September Temperature in Houdan

In September in Houdan, the average temperature is 16°C (61°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 4°C (40°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates September temperature patterns in Houdan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Houdan, September typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec404346515664686761544643
Data source: Temperature data for Houdan 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 Houdan

In Houdan in September, the total precipitation amount is 44 mm (1.7 in) over a duration of 8 days.

September Precipitation Trends in Houdan

The chart displays monthly precipitation patterns in Houdan, 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 Houdan, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec496173348286415444746392
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Houdan

In Houdan in September humidity is 76%. With an average temperature of 16°C (61°F), this humidity feels like a warm embrace that makes traveling feel slightly heavy yet refreshing, often prompting you to seek shade or indulge in ice-cold drinks to stay comfortable.

September Average Humidity in Houdan

This chart illustrates the average monthly humidity levels in Houdan, 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 Houdan is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Houdan

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

Maximum UV Index Levels in Houdan for September

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

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

This table compares monthly weather conditions in Houdan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)49 mm (1.9 inches)91%low
February Weather6°C (43°F)61 mm (2.4 inches)89%moderate
March Weather8°C (46°F)73 mm (2.9 inches)85%moderate
April Weather11°C (51°F)34 mm (1.3 inches)84%high
May Weather14°C (57°F)82 mm (3.2 inches)82%very high
June Weather18°C (64°F)86 mm (3.4 inches)80%very high
July Weather20°C (68°F)41 mm (1.6 inches)73%very high
August Weather19°C (67°F)54 mm (2.1 inches)68%very high
September Weather16°C (61°F)44 mm (1.7 inches)76%high
October Weather12°C (55°F)74 mm (2.9 inches)88%moderate
November Weather8°C (46°F)63 mm (2.5 inches)92%low
December Weather6°C (43°F)92 mm (3.6 inches)93%low

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