Weather in Lyon in September
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for September in Lyon.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youLyon in September is warm — daytime temperatures average 24.5°C, dropping to 14.2°C at night. The month is moderately rainy (8 rainy days), with roughly 10.3 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. For the complete picture, see the best time to visit Lyon — every month compared. Once you know when to go, find your Lyon packing list at 247PackingList.
Get ready for Lyon in September
Search flights to Lyon
Compare 100+ airlines for September — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Lyon in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Light waterproof layer
Compare all months in Lyon
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 6.6°C | 50.5mm | 10/10 |
| February | 11.1°C | 29.9mm | 10/10 |
| March | 13.7°C | 52.3mm | 10/10 |
| April | 17.1°C | 49.0mm | 10/10 |
| May | 21.3°C | 90.8mm | 10/10 |
| June | 26.4°C | 89.1mm | 10/10 |
| July | 28.4°C | 70.4mm | 10/10 |
| August | 28.4°C | 44.1mm | 10/10 |
| September | 24.5°C | 67.3mm | 10/10 |
| October | 18.5°C | 115.7mm | 9/10 |
| November | 11.4°C | 70.4mm | 10/10 |
| December | 8.1°C | 102.2mm | 9/10 |
Full month-by-month guide: best time to visit Lyon →
For facts about France — currency, language and dialling code — see our France country guide at 247CountryInfo. Travellers also find it useful to keep a Lyon travel guide to hand. Check clothing sizes in France before you shop.
Frequently Asked Questions
Is September a good time to visit Lyon?
September rates 10/10 for visiting Lyon — excellent time to visit. Expect average highs of 24.5°C, 67.3mm of rain across the month and about 10.3 hours of daily sunshine.
What is the temperature in Lyon in September?
In September, Lyon has average highs of 24.5°C (76.1°F) and average lows of 14.2°C (57.6°F).
Does it rain in Lyon in September?
Some rain is likely. Lyon averages 67.3mm across about 8 rainy days in September, so a light waterproof layer is worth packing.
What should I wear in Lyon in September?
For Lyon in September (24.5°C highs / 14.2°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, light waterproof layer.
More essentials for Lyon in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.