Auvergne-Rhône-Alpes (Lyon)
September
Weather in Auvergne-Rhône-Alpes for September 2026
Your guide to Auvergne-Rhône-Alpes weather in September - trends and predictions
In general, the average temperature in Auvergne-Rhône-Alpes at the beginning of September is 27.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.1 °C by the end of September.
Auvergne-Rhône-Alpes experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 114.5 mm.
Is September a good time to visit Auvergne-Rhône-Alpes? check out the best time to travel to Auvergne-Rhône-Alpes page.
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Temperatures
Rain 🌧️
More
5
Dry days
25
Rainy days
0
Snow days
24°/13°
Temperatures
13 km/h
Avg max wind
65 %
Avg humidity
Auvergne-Rhône-Alpes Weather September
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What’s the Weather Like in Auvergne-Rhône-Alpes This September?
Discover the average temperatures and weather trends across Auvergne-Rhône-Alpes’s cities this September.
Temperatures trend during September in Auvergne-Rhône-Alpes
See the weather trend as well as the moving average line
September weather in Auvergne-Rhône-Alpes day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 28° /14° | 8 mm | 6 | |
| 2 Sept. | Partly cloudy | 26° /15° | 3.3 mm | 6 | |
| 3 Sept. |  Sunny | 28° /15° | 4.4 mm | 7 | |
| 4 Sept. |  Patchy rain possible | 28° /15° | 4.3 mm | 6 | |
| 5 Sept. | Partly cloudy | 26° /15° | 2.8 mm | 6 | |
| 6 Sept. | Sunny | 29° /14° | 1.4 mm | 7 | |
| 7 Sept. | Sunny | 30° /16° | 9.6 mm | 7 | |
| 8 Sept. | Sunny | 27° /16° | 8.4 mm | 6 | |
| 9 Sept. | Light rain shower | 24° /15° | 1.7 mm | 6 | |
| 10 Sept. | Patchy rain possible | 25° /14° | 0.5 mm | 6 | |
| 11 Sept. | Patchy rain possible | 25° /14° | 1 mm | 6 | |
| 12 Sept. | Sunny | 25° /13° | 2.2 mm | 6 | |
| 13 Sept. | Partly cloudy | 24° /13° | 1.7 mm | 6 | |
| 14 Sept. | Patchy rain possible | 22° /14° | 8 mm | 5 | |
| 15 Sept. | Patchy rain possible | 26° /13° | 6.9 mm | 6 | |
| 16 Sept. | Patchy rain possible | 22° /13° | 2.5 mm | 5 | |
| 17 Sept. |  Cloudy | 22° /12° | 0.2 mm | 5 | |
| 18 Sept. | Sunny | 23° /11° | 8 mm | 6 | |
| 19 Sept. | Sunny | 22° /12° | 1.8 mm | 5 | |
| 20 Sept. | Sunny | 23° /12° | 6.1 mm | 6 | |
| 21 Sept. | Cloudy | 23° /11° | 7.5 mm | 5 | |
| 22 Sept. | Light rain shower | 19° /11° | 2.4 mm | 5 | |
| 23 Sept. | Patchy rain possible | 20° /10° | 2.7 mm | 4 | |
| 24 Sept. | Patchy rain possible | 20° /10° | 1.8 mm | 5 | |
| 25 Sept. | Cloudy | 20° /10° | 1.2 mm | 5 | |
| 26 Sept. |  Heavy rain at times | 20° /11° | 5.8 mm | 5 | |
| 27 Sept. | Patchy rain possible | 21° /11° | 1 mm | 5 | |
| 28 Sept. | Cloudy | 20° /10° | 4.4 mm | 5 | |
| 29 Sept. | Sunny | 20° /9° | 2.6 mm | 5 | |
| 30 Sept. | Sunny | 20° /9° | 1.7 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Auvergne-Rhône-Alpes in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Auvergne-Rhône-Alpes forecast closer to your planned date for the most up-to-date weather information.
Change Month
Auvergne-Rhône-Alpes weather in September vs August vs October
Compare September weather in Auvergne-Rhône-Alpes with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/17° | 24°/13° | 19°/11° |
| Rainfall | 77 mm | 115 mm | 108 mm |
| Wind | 13.4 km/h | 13.4 km/h | 15.8 km/h |
| Humidity | 58% | 65% | 71% |
| Rainy days | 18 days | 25 days | 19 days |
| Dry days | 13 days | 5 days | 12 days |
Planning a trip to Auvergne-Rhône-Alpes? Discover the best time to visit
Auvergne-Rhône-Alpes in September - FAQ
What are the expected maximum and minimum temperatures in Auvergne-Rhône-Alpes during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Auvergne-Rhône-Alpes during September?
Significant rainfall exceeding 114.5 mm is expected in Auvergne-Rhône-Alpes during September, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Auvergne-Rhône-Alpes during September?
The average wind speed in Auvergne-Rhône-Alpes during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Auvergne-Rhône-Alpes in September?
As you prepare for your trip to Auvergne-Rhône-Alpes in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Auvergne-Rhône-Alpes, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Auvergne-Rhône-Alpes
Explore the daily rainfall trends and prepare for Auvergne-Rhône-Alpess September weather 💧
Typically, Auvergne-Rhône-Alpes has 25 rainy days in September with a total of 114.5 mm of rainfall.
UV exposure in Auvergne-Rhône-Alpes during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Auvergne-Rhône-Alpes
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Top locations in Auvergne-Rhône-Alpes
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AnnecyChamonix-Mont-BlancClermont-FerrandGrenobleLa Salette-FallavauxLyonSaint-ÉtienneTignesTournon-sur-RhôneVal Thorens
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