Paris vs Geneva

Paris and Geneva are closely matched in September. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Paris sits in the comfortable travel range at 21°C. Geneva is also comfortable at 20°C.

For travelers who prioritize dry weather, Paris is the stronger choice in September. Geneva receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Paris reaches an average high of 21°C (70°F) and drops to 12°C (54°F) at night during September. The daily temperature range is 9°C, meaning moderate variation throughout the day.

Geneva averages 20°C (68°F) for the high and 12°C (54°F) for the low, with a daily range of 8°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.

Paris receives approximately 47 mm of rainfall across 8 rain days during September. You can expect rain roughly every other day.

Geneva sees 108 mm over 12 rain days. That makes Paris the drier option by 4 rain days and 61 mm of total precipitation.

Both cities share similar humidity levels at 65%.