Last updated: August 23, 2025
In September, the average temperature in Chessy-les-Pres, France is a comfortable 17°C (62°F). Expect a minimum of 3°C (38°F) and a maximum of 34°C (94°F), showcasing the range of conditions you might encounter. Rainfall is moderate, with 56 mm (2.2 in) spread over approximately 8 days, and humidity levels hover around 78%, adding a touch of warmth to the atmosphere.
In September in Chessy-les-Pres, the average temperature is 17°C (62°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 3°C (38°F). Be prepared for a range of weather conditions when traveling during this month.
In Chessy-les-Pres in September, the precipitation amount is 56 mm (2.2 in) over the course of 8 days.
In Chessy-les-Pres in September, humidity is 78%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping blanket, making travel feel a bit sticky and heavy but also refreshing, as long as you're prepared with light clothing and plenty of water.
In Chessy-les-Pres 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 Chessy-les-Pres, you can refer to this Hourly UV Index in Chessy-les-Pres.
UV Risk Categories
Weather in Chessy-les-Pres varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chessy-les-Pres, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 88 mm (3.5 inches) | 91% | low |
| February Weather | 6°C (43°F) | 74 mm (2.9 inches) | 89% | moderate |
| March Weather | 8°C (46°F) | 84 mm (3.3 inches) | 86% | moderate |
| April Weather | 11°C (52°F) | 36 mm (1.4 inches) | 84% | high |
| May Weather | 14°C (58°F) | 82 mm (3.2 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 79 mm (3.1 inches) | 82% | very high |
| July Weather | 21°C (70°F) | 55 mm (2.2 inches) | 79% | very high |
| August Weather | 20°C (69°F) | 48 mm (1.9 inches) | 72% | very high |
| September Weather | 17°C (62°F) | 56 mm (2.2 inches) | 78% | high |
| October Weather | 12°C (55°F) | 79 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) | 130 mm (5.1 inches) | 93% | low |