Last updated: August 23, 2025
In September, the average temperature in Riom-es-Montagnes, France hovers around 13°C (57°F). Expect a minimum of 1°C (34°F) and a maximum of 28°C (83°F), making it a month of notable variation. Throughout this time, you'll encounter about 75 mm (3.0 in) of precipitation over 11 days, contributing to an average humidity of 72%. Prepare for a mix of mild days and occasional rain as you explore this charming locale!
In September in Riom-es-Montagnes, the average temperature is 13°C (57°F), with maximums reaching up to 28°C (83°F) and minimums dropping as low as 1°C (34°F). Therefore, it’s advisable to pack layers to comfortably adapt to the range of temperatures during your travels.
In Riom-es-Montagnes in September, the precipitation amount is 75 mm (3.0 in) over a span of 11 days.
In Riom-es-Montagnes in September humidity is 72%. With an average temperature of 13°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities uncomfortable and calling for frequent breaks to hydrate and cool off while exploring.
In Riom-es-Montagnes in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Riom-es-Montagnes.
UV Risk Categories
Weather in Riom-es-Montagnes varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Riom-es-Montagnes, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 112 mm (4.4 inches) | 91% | low |
| February Weather | 3°C (38°F) | 87 mm (3.4 inches) | 88% | moderate |
| March Weather | 5°C (41°F) | 114 mm (4.5 inches) | 84% | high |
| April Weather | 8°C (46°F) | 76 mm (3.0 inches) | 81% | high |
| May Weather | 11°C (52°F) | 137 mm (5.4 inches) | 77% | very high |
| June Weather | 15°C (60°F) | 132 mm (5.2 inches) | 76% | very high |
| July Weather | 17°C (63°F) | 84 mm (3.3 inches) | 68% | very high |
| August Weather | 17°C (63°F) | 67 mm (2.7 inches) | 61% | very high |
| September Weather | 13°C (57°F) | 75 mm (3.0 inches) | 72% | high |
| October Weather | 9°C (49°F) | 83 mm (3.3 inches) | 88% | moderate |
| November Weather | 5°C (40°F) | 102 mm (4.0 inches) | 91% | moderate |
| December Weather | 3°C (37°F) | 176 mm (6.9 inches) | 92% | low |