Last updated: August 23, 2025
In September, the average temperature in Neant-sur-Yvel, France is a pleasant 16°C (61°F). Expect temperatures to range from a cool 5°C (42°F) at night to a warm 31°C (87°F) during the day. With an average humidity of 75%, you may feel the moisture in the air. Be prepared for some rain, as 48 mm (1.9 in) of precipitation is expected over 8 days.
In September in Neant-sur-Yvel, the average temperature is 16°C (61°F). Maximums can reach 31°C (87°F) and minimums can be as low as 5°C (42°F). Be prepared for a mix of warm and cool weather, making it a great time for travelers to explore and enjoy the varied climate.
In Neant-sur-Yvel in September, the precipitation amount is 48 mm (1.9 in) over a span of 8 days.
In Neant-sur-Yvel in September humidity is 75%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy embrace, making traveling somewhat uncomfortable as you may find yourself constantly adjusting your clothing and seeking shade to escape the sticky air.
In Neant-sur-Yvel 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 Neant-sur-Yvel, you can refer to this Hourly UV Index in Neant-sur-Yvel.
UV Risk Categories
Weather in Neant-sur-Yvel varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Neant-sur-Yvel, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 44 mm (1.7 inches) | 88% | low |
| February Weather | 7°C (45°F) | 63 mm (2.5 inches) | 87% | moderate |
| March Weather | 9°C (48°F) | 58 mm (2.3 inches) | 84% | moderate |
| April Weather | 11°C (52°F) | 49 mm (1.9 inches) | 83% | high |
| May Weather | 14°C (57°F) | 69 mm (2.7 inches) | 81% | very high |
| June Weather | 17°C (63°F) | 101 mm (4.0 inches) | 75% | very high |
| July Weather | 19°C (66°F) | 47 mm (1.9 inches) | 65% | very high |
| August Weather | 18°C (65°F) | 52 mm (2.1 inches) | 67% | very high |
| September Weather | 16°C (61°F) | 48 mm (1.9 inches) | 75% | high |
| October Weather | 13°C (55°F) | 88 mm (3.5 inches) | 85% | moderate |
| November Weather | 9°C (48°F) | 69 mm (2.7 inches) | 88% | low |
| December Weather | 7°C (46°F) | 92 mm (3.6 inches) | 90% | low |