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September Weather in Castelnaudary, France

Last updated: August 23, 2025

In September, the average temperature in Castelnaudary, France is a pleasant 19°C (66°F). Expect a range from a refreshing 7°C (45°F) to a warm 32°C (90°F). Be prepared for some rain, as the precipitation averages 63 mm (2.5 in) over 10 days. With an average humidity of 73%, it's a great time to explore the beauty of Castelnaudary!

September Temperature in Castelnaudary

In September in Castelnaudary, the average temperature is 19°C (66°F). Maximums can reach 32°C (90°F), and minimums can be as low as 7°C (45°F). This pleasant climate makes Castelnaudary an ideal destination for travelers seeking a comfortable escape.

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

The chart illustrates September temperature patterns in Castelnaudary, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelnaudary, September typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec414649536067717266584845
Data source: Temperature data for Castelnaudary 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 Castelnaudary

In Castelnaudary in September, the precipitation amount is 63 mm (2.5 in) over a span of 10 days.

September Precipitation Trends in Castelnaudary

The chart displays monthly precipitation patterns in Castelnaudary, 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 Castelnaudary, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec95879268108655735638593141
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castelnaudary

In Castelnaudary in September humidity is 73%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly sticky, as you find yourself seeking shade and refreshing drinks while exploring.

September Average Humidity in Castelnaudary

This chart illustrates the average monthly humidity levels in Castelnaudary, 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 Castelnaudary is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castelnaudary

In Castelnaudary in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Castelnaudary.

Maximum UV Index Levels in Castelnaudary for September

The chart shows the monthly maximum UV Index (UVI) for Castelnaudary 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 Castelnaudary typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Castelnaudary 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 Castelnaudary Compares to Other Months

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

This table compares monthly weather conditions in Castelnaudary, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)95 mm (3.8 inches)87%low
February Weather8°C (47°F)87 mm (3.4 inches)83%moderate
March Weather9°C (49°F)92 mm (3.6 inches)80%high
April Weather12°C (54°F)67 mm (2.7 inches)77%high
May Weather15°C (60°F)108 mm (4.2 inches)75%very high
June Weather20°C (67°F)65 mm (2.5 inches)74%very high
July Weather22°C (72°F)57 mm (2.2 inches)72%very high
August Weather22°C (72°F)35 mm (1.4 inches)70%very high
September Weather19°C (66°F)63 mm (2.5 inches)73%high
October Weather14°C (58°F)85 mm (3.3 inches)82%moderate
November Weather9°C (49°F)93 mm (3.6 inches)87%moderate
December Weather7°C (45°F)141 mm (5.6 inches)88%low

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