Lyon vs Paris

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Paris edges ahead as the better destination in September. Paris offers 9 hours of daily sunshine with only 8 rain days, while Lyon sees 9 sunshine hours and 9 rain days.

Lyon sits in the comfortable travel range at 22°C. Paris is also comfortable at 21°C.

For travelers who prioritize dry weather, Paris is the stronger choice in September.

Lyon reaches an average high of 22°C (72°F) and drops to 13°C (55°F) at night during September. The daily temperature range is 9°C, meaning moderate variation throughout the day.

Paris averages 21°C (70°F) for the high and 12°C (54°F) for the low, with a daily range of 9°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Lyon receives approximately 92 mm of rainfall across 9 rain days during September. You can expect rain roughly every other day.

Paris sees 47 mm over 8 rain days. That makes Paris the drier option by 1 rain day and 45 mm of total precipitation.

Both cities share similar humidity levels at 65%.