Last updated: August 23, 2025
In September, the average temperature in Saint-Germain-de-Marencennes, France hovers around 19°C (66°F). Expect a wide range of temperatures, with a minimum dipping to 6°C (43°F) and a maximum soaring to 36°C (97°F). Rainfall contributes to the climate, with an average precipitation of 48 mm (1.9 in) spread over 9 days. Humidity levels can be surprisingly high, reaching an average of 76%, making for a humid atmosphere.
In September in Saint-Germain-de-Marencennes, the average temperature is 19°C (66°F), with maximums reaching 36°C (97°F) and minimums dropping to as low as 6°C (43°F). Be prepared for a range of temperatures during your travels, ensuring you pack both lightweight clothing and warmer layers.
In Saint-Germain-de-Marencennes in September, the total precipitation amount is 48 mm (1.9 in) spread over 9 days.
In Saint-Germain-de-Marencennes in September, humidity is 76%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making travel mildly uncomfortable and encouraging frequent breaks in shaded or air-conditioned areas.
In Saint-Germain-de-Marencennes 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-Germain-de-Marencennes, you can refer to this Hourly UV Index in Saint-Germain-de-Marencennes.
UV Risk Categories
Weather in Saint-Germain-de-Marencennes varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Germain-de-Marencennes, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 63 mm (2.5 inches) | 85% | low |
| February Weather | 8°C (47°F) | 67 mm (2.6 inches) | 83% | moderate |
| March Weather | 10°C (50°F) | 82 mm (3.2 inches) | 82% | moderate |
| April Weather | 13°C (55°F) | 58 mm (2.3 inches) | 82% | high |
| May Weather | 16°C (61°F) | 85 mm (3.4 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 86 mm (3.4 inches) | 80% | very high |
| July Weather | 22°C (71°F) | 33 mm (1.3 inches) | 76% | very high |
| August Weather | 21°C (70°F) | 26 mm (1.0 inches) | 73% | very high |
| September Weather | 19°C (66°F) | 48 mm (1.9 inches) | 76% | high |
| October Weather | 14°C (58°F) | 88 mm (3.5 inches) | 81% | moderate |
| November Weather | 9°C (49°F) | 95 mm (3.8 inches) | 83% | moderate |
| December Weather | 8°C (47°F) | 118 mm (4.7 inches) | 85% | low |