September · France
Best time to visit Lyon in September Weather, crowds & prices
Weather in Lyon in September
Average temperature 18°C, 102 mm of rain, about 26 days with 6+ hours of sunshine and 72% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.1/10
Ranked #6 of 12 months
- Avg temp
- 18°C
- Rainfall
- 102 mm
- Humidity
- 72%
- Days with 6h+ sun
- 26
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Lyon scores 8.1/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 18°C, 102 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
Lyon's bouchons and traboules thread between the Rhône and Saône, with Fourvière looking over the whole grid.
September in Lyon — reliably good (6th best month)
September averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Monthly rainfall reaches 102 mm — wet for this destination — but about 26 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 8.1/10 here, 6th of 12 months, against 9.3/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Lyon in September?
- In September, Lyon averages 18°C, 102 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 8.1/10.
- Is September a good time to visit Lyon?
- September earns a 8.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Lyon in September?
- Expect about 102 mm of rain in September. Average humidity is 72% and there are about 26 days with 6+ hours of sunshine.
Curated in Lyon
Tickets & experiences
Things to do in Lyon
Lyon, France. Live activities and tours from GetYourGuide, matched to this destination.