Last updated: August 23, 2025
In September, the average temperature in Cognat-Lyonne, France hovers around 17°C (62°F), with potential extremes ranging from a chilly 3°C (38°F) to a balmy 34°C (94°F). Expect 58 mm (2.3 in) of precipitation over approximately 9 days, paired with an average humidity level of 72%. Stay prepared for a mix of comfortable temperatures and occasional showers!
In September in Cognat-Lyonne, the average temperature is 17°C (62°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 3°C (38°F). Be prepared for a range of weather conditions when traveling during this month.
In Cognat-Lyonne in September, the precipitation amount is 58 mm (2.3 in) spread over 9 days.
In Cognat-Lyonne in September humidity is 72%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls but potentially heavy on the skin, prompting travelers to seek shade during midday excursions.
In Cognat-Lyonne 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 Cognat-Lyonne.
UV Risk Categories
Weather in Cognat-Lyonne varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Cognat-Lyonne, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 67 mm (2.6 inches) | 91% | low |
| February Weather | 6°C (43°F) | 52 mm (2.0 inches) | 88% | moderate |
| March Weather | 8°C (46°F) | 65 mm (2.6 inches) | 84% | moderate |
| April Weather | 11°C (51°F) | 47 mm (1.8 inches) | 81% | high |
| May Weather | 14°C (58°F) | 93 mm (3.7 inches) | 77% | very high |
| June Weather | 19°C (66°F) | 85 mm (3.4 inches) | 76% | very high |
| July Weather | 21°C (70°F) | 62 mm (2.4 inches) | 68% | very high |
| August Weather | 21°C (69°F) | 46 mm (1.8 inches) | 61% | very high |
| September Weather | 17°C (62°F) | 58 mm (2.3 inches) | 72% | high |
| October Weather | 12°C (54°F) | 65 mm (2.5 inches) | 88% | moderate |
| November Weather | 7°C (45°F) | 71 mm (2.8 inches) | 91% | moderate |
| December Weather | 5°C (42°F) | 104 mm (4.1 inches) | 92% | low |