Last updated: August 23, 2025
In Riviere-sur-Tarn, France, the average temperature for September is a comfortable 15°C (59°F). Expect to feel the chill with minimums dropping to 2°C (36°F), while sunny days may reach up to 29°C (84°F). During this period, precipitation averages around 48 mm (1.9 in) over about 7 days, and you'll experience an average humidity of 72%, creating a vibrant yet refreshing climate.
In September in Riviere-sur-Tarn, the average temperature is 15°C (59°F), with maximums reaching 29°C (84°F) and minimums dropping as low as 2°C (36°F). This variability in temperature makes it essential for travelers to pack layers to comfortably enjoy their stay.
In Riviere-sur-Tarn in September, the total precipitation amount is 48 mm (1.9 in) over a span of 7 days.
In Riviere-sur-Tarn in September humidity is 72%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket wrapping around you, creating a sultry atmosphere that can make traveling a bit uncomfortable. The stickiness in the air can leave you feeling sluggish, so it’s advisable to stay hydrated and take breaks often while exploring.
In Riviere-sur-Tarn 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 Riviere-sur-Tarn.
UV Risk Categories
Weather in Riviere-sur-Tarn varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Riviere-sur-Tarn, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 75 mm (2.9 inches) | 91% | low |
| February Weather | 4°C (40°F) | 59 mm (2.3 inches) | 88% | moderate |
| March Weather | 6°C (42°F) | 84 mm (3.3 inches) | 84% | high |
| April Weather | 8°C (47°F) | 83 mm (3.3 inches) | 81% | high |
| May Weather | 12°C (54°F) | 104 mm (4.1 inches) | 77% | very high |
| June Weather | 16°C (62°F) | 94 mm (3.7 inches) | 76% | very high |
| July Weather | 19°C (66°F) | 44 mm (1.7 inches) | 68% | very high |
| August Weather | 19°C (66°F) | 43 mm (1.7 inches) | 61% | very high |
| September Weather | 15°C (59°F) | 48 mm (1.9 inches) | 72% | high |
| October Weather | 10°C (51°F) | 98 mm (3.8 inches) | 88% | moderate |
| November Weather | 6°C (42°F) | 101 mm (4.0 inches) | 91% | moderate |
| December Weather | 3°C (38°F) | 108 mm (4.3 inches) | 92% | low |