Last updated: August 23, 2025
In September, the average temperature in Castelnau-de-Medoc, France hovers around 19°C (67°F), presenting a pleasant climate for outdoor activities. However, temperatures can vary significantly, with a minimum of 7°C (44°F) and a maximum soaring to 36°C (97°F). Visitors should be prepared for some rainy days, as the area experiences an average precipitation of 53 mm (2.1 in) during 9 days of the month, coupled with a relatively high average humidity of 76%.
In September, in Castelnau-de-Medoc, the average temperature is 19°C (67°F). The maximum can reach 36°C (97°F), while the minimum can drop as low as 7°C (44°F). Travelers should be prepared for a wide range of temperatures, dressing in layers to ensure comfort throughout the day.
In Castelnau-de-Medoc in September, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.
In Castelnau-de-Medoc in September, humidity is 76%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sluggish and requiring regular breaks to stay hydrated while exploring.
In Castelnau-de-Medoc 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 Castelnau-de-Medoc.
UV Risk Categories
Weather in Castelnau-de-Medoc varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Castelnau-de-Medoc, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (44°F) | 61 mm (2.4 inches) | 85% | low |
| February Weather | 9°C (48°F) | 63 mm (2.5 inches) | 83% | moderate |
| March Weather | 11°C (51°F) | 71 mm (2.8 inches) | 82% | moderate |
| April Weather | 13°C (56°F) | 59 mm (2.3 inches) | 82% | high |
| May Weather | 17°C (62°F) | 117 mm (4.6 inches) | 82% | very high |
| June Weather | 20°C (68°F) | 89 mm (3.5 inches) | 80% | very high |
| July Weather | 22°C (72°F) | 41 mm (1.6 inches) | 76% | very high |
| August Weather | 22°C (71°F) | 39 mm (1.5 inches) | 73% | very high |
| September Weather | 19°C (67°F) | 53 mm (2.1 inches) | 76% | high |
| October Weather | 15°C (59°F) | 70 mm (2.8 inches) | 81% | moderate |
| November Weather | 10°C (50°F) | 78 mm (3.1 inches) | 83% | moderate |
| December Weather | 9°C (48°F) | 118 mm (4.7 inches) | 85% | low |