Last updated: August 23, 2025
In September, the average temperature in Mercin-et-Vaux, France is a pleasant 16°C (62°F). Expect a variation where it can dip to a minimum of 5°C (40°F) and soar to a maximum of 34°C (93°F). With an average precipitation of 47 mm (1.8 in) over 8 days, make sure to pack accordingly. The climate's average humidity sits at a comfortable 81%, adding to the region's unique charm.
In September in Mercin-et-Vaux, the average temperature is 16°C (62°F). Maximum temperatures can reach 34°C (93°F), while minimum temperatures can drop as low as 5°C (40°F). Be sure to pack layers for your trip, as temperatures can vary significantly throughout the day.
In Mercin-et-Vaux in September, the precipitation amount is 47 mm (1.8 in) over the course of 8 days.
In Mercin-et-Vaux in September, humidity is 81%. With an average temperature of 16°C (62°F), this humidity feels like a warm embrace that can quickly leave travelers feeling sticky and drained, making outdoor adventures a bit challenging unless they stay properly hydrated and take breaks in the shade.
In Mercin-et-Vaux 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 Mercin-et-Vaux, you can refer to this Hourly UV Index in Mercin-et-Vaux.
UV Risk Categories
Weather in Mercin-et-Vaux varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mercin-et-Vaux, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 4°C (40°F) | 66 mm (2.6 inches) | 91% | low |
February Weather | 6°C (43°F) | 72 mm (2.8 inches) | 89% | moderate |
March Weather | 8°C (46°F) | 70 mm (2.7 inches) | 86% | moderate |
April Weather | 11°C (51°F) | 35 mm (1.4 inches) | 84% | high |
May Weather | 14°C (58°F) | 60 mm (2.4 inches) | 82% | very high |
June Weather | 19°C (66°F) | 58 mm (2.3 inches) | 82% | very high |
July Weather | 20°C (68°F) | 51 mm (2.0 inches) | 80% | very high |
August Weather | 20°C (68°F) | 68 mm (2.7 inches) | 76% | very high |
September Weather | 16°C (62°F) | 47 mm (1.8 inches) | 81% | high |
October Weather | 12°C (55°F) | 79 mm (3.1 inches) | 88% | moderate |
November Weather | 7°C (46°F) | 66 mm (2.6 inches) | 92% | low |
December Weather | 6°C (43°F) | 105 mm (4.1 inches) | 93% | low |