Lyon weather in September
Lyon in September averages 18°C (64°F), 89 mm of rain and 6.6 hours of sun a day.
Of the twelve months in Lyon, September is the fourth warmest, the third wettest and the fifth sunniest.
- Average temp
- 18°C (64°F)
13–23°C · 55–73°F
- Rainfall
- 89 mm
Showers likely
- Sunshine
- 6.6 h
hours per day
What is Lyon like in September?
Daytime
Days are mild.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Lyon in September?
A light rain jacket
About 89 mm falls this month — showers rather than washouts.
A layer for the evening
Evenings cool off noticeably once the sun is down.
September compared with August and October
September in Lyon is 4.3°C cooler than August and 17 mm wetter than it, which averages 22°C (72°F).
September in Lyon is 4.2°C warmer than October and 13 mm drier than it, which averages 14°C (56°F).
Daylight in Lyon in September
On 15 September the sun is up for 12 hours 32 minutes in Lyon, rising about 07:19 and setting about 19:51 local time.
September ends 1 hour 32 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 3 hours 10 minutes short of June, the longest-lit month here.
Where to stay in Lyon
Dates are a starting point for September.
Travel guides for Lyon
What to read before you book.
Lyon weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 4°C / 39°F | 54 mm |
| February | 5°C / 41°F | 47 mm |
| March | 9°C / 48°F | 54 mm |
| April | 12°C / 54°F | 72 mm |
| May | 16°C / 61°F | 84 mm |
| June | 20°C / 68°F | 71 mm |
| July | 22°C / 72°F | 68 mm |
| August | 22°C / 72°F | 72 mm |
| September | 18°C / 64°F | 89 mm |
| October | 14°C / 56°F | 102 mm |
| November | 8°C / 46°F | 91 mm |
| December | 5°C / 40°F | 65 mm |
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
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FAQs about Lyon in September
September climate averages for Lyon, 1991–2020.
Lyon averages 18°C (64°F) in September, ranging from about 13°C (55°F) at night to 23°C (73°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 89 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 18°C (64°F) against 14°C (56°F) in October — 4.2°C warmer.
September is 4.3°C cooler than August, and 17 mm wetter.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 6.6 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 32 minutes of daylight in mid-September, against 15 hours 42 minutes in June and 8 hours 42 minutes in December.
On 15 September, sunrise is about 07:19 and sunset about 19:51 local time. Both shift across the month — the month ends 1 hour 32 minutes shorter than it starts.
