Last updated: August 23, 2025
In September, the average temperature in Coulanges-sur-Yonne, France hovers around 17°C (63°F). Expect a minimum chill of 3°C (37°F) and the possibility of warmth soaring up to 35°C (95°F). During this month, precipitation averages 55 mm (2.2 in) over 8 days, while the average humidity maintains a comfortably damp 78%. Prepare accordingly for this varied climate!
In September in Coulanges-sur-Yonne, the average temperature is 17°C (63°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 3°C (37°F). This diverse temperature range makes Coulanges-sur-Yonne an excellent destination for travelers seeking a mix of warm and cool weather experiences.
In Coulanges-sur-Yonne in September, the precipitation amount is 55 mm (2.2 in) over the course of 8 days.
In Coulanges-sur-Yonne in September, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.
In Coulanges-sur-Yonne 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 Coulanges-sur-Yonne, you can refer to this Hourly UV Index in Coulanges-sur-Yonne.
UV Risk Categories
Weather in Coulanges-sur-Yonne varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Coulanges-sur-Yonne, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 81 mm (3.2 inches) | 91% | low |
| February Weather | 6°C (43°F) | 67 mm (2.6 inches) | 89% | moderate |
| March Weather | 8°C (47°F) | 78 mm (3.1 inches) | 86% | moderate |
| April Weather | 11°C (52°F) | 41 mm (1.6 inches) | 84% | high |
| May Weather | 14°C (58°F) | 80 mm (3.1 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 75 mm (3.0 inches) | 82% | very high |
| July Weather | 21°C (70°F) | 52 mm (2.0 inches) | 79% | very high |
| August Weather | 20°C (69°F) | 49 mm (1.9 inches) | 72% | very high |
| September Weather | 17°C (63°F) | 55 mm (2.2 inches) | 78% | high |
| October Weather | 13°C (55°F) | 78 mm (3.1 inches) | 88% | moderate |
| November Weather | 7°C (45°F) | 71 mm (2.8 inches) | 91% | low |
| December Weather | 6°C (42°F) | 121 mm (4.8 inches) | 93% | low |