Last updated: August 23, 2025
In September, the average temperature in Saint-Mesmin, France is a pleasant 17°C (63°F). However, temperatures can vary significantly, with a minimum of 5°C (41°F) and a maximum reaching 34°C (93°F). Expect to see some light rain, as 42 mm (1.6 in) of precipitation typically falls over about 9 days. The average humidity during this month hovers around 75%, creating a refreshing atmosphere.
In September in Saint-Mesmin, the average temperature is 17°C (63°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to as low as 5°C (41°F). It's a good time to pack layers and enjoy a mix of warm and cool weather for your travels.
In Saint-Mesmin in September, the precipitation amount is 42 mm (1.6 in) over the course of 9 days.
In Saint-Mesmin in September, humidity is 75%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities a bit sticky and requiring frequent breaks to stay refreshed during your travels.
In Saint-Mesmin 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 Saint-Mesmin, you can refer to this Hourly UV Index in Saint-Mesmin.
UV Risk Categories
Weather in Saint-Mesmin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Mesmin, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (42°F) | 60 mm (2.4 inches) | 88% | low |
February Weather | 7°C (45°F) | 74 mm (2.9 inches) | 87% | moderate |
March Weather | 9°C (48°F) | 84 mm (3.3 inches) | 84% | moderate |
April Weather | 12°C (53°F) | 49 mm (1.9 inches) | 83% | high |
May Weather | 15°C (59°F) | 85 mm (3.3 inches) | 81% | very high |
June Weather | 18°C (66°F) | 80 mm (3.1 inches) | 75% | very high |
July Weather | 20°C (69°F) | 33 mm (1.3 inches) | 65% | very high |
August Weather | 20°C (68°F) | 33 mm (1.3 inches) | 67% | very high |
September Weather | 17°C (63°F) | 42 mm (1.6 inches) | 75% | high |
October Weather | 13°C (56°F) | 86 mm (3.4 inches) | 85% | moderate |
November Weather | 8°C (47°F) | 86 mm (3.4 inches) | 88% | low |
December Weather | 7°C (45°F) | 114 mm (4.5 inches) | 90% | low |