Lyon Weather in September
In September, Lyon averages a high of 23°C (74°F) and a low of 13°C (55°F), based on 55 years of historical weather data from LYON - ST EXUPERY.
23°C
Average high
74°F
13°C
Average low
55°F
35°C
Record high
95°F · 2005
2°C
Record low
35°F · 1977
What to Expect in Lyon in September
Typical September days in Lyon reach 23°C (74°F) during the afternoon and cool to around 13°C (55°F) overnight. On average, measurable rain falls on about 32% of days this month. Over the past 55 years, September temperatures in Lyon have ranged from a record high of 35°C (2005) down to a record low of 2°C (1977).
For a day-by-day look or other months, see the full Lyon weather history.