Les Sables-d'Olonne
September
Weather in Les Sables-d'Olonne for September 2026
Your guide to Les Sables-d'Olonne weather in September - trends and predictions
In general, the average temperature in Les Sables-d'Olonne at the beginning of September is 19.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 18 °C by the end of September.
The climate of Les Sables-d'Olonne in September is notably wet, with an average of 14 rainy days, and a total of 101.5 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
16
Dry days
14
Rainy days
0
Snow days
19°/14°
Temperatures
28 km/h
Avg max wind
75 %
Avg humidity
Les Sables-d'Olonne Weather September
Move between months or click on a day
Temperatures trend during September in Les Sables-d'Olonne
See the weather trend as well as the moving average line
September weather in Les Sables-d'Olonne day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 20° /17° | 8 mm | 5 | |
| 2 Sept. | Light rain shower | 20° /16° | 5.9 mm | 5 | |
| 3 Sept. | Patchy rain possible | 21° /17° | 2.5 mm | 5 | |
| 4 Sept. |  Partly cloudy | 19° /14° | 3.7 mm | 5 | |
| 5 Sept. | Patchy rain possible | 18° /14° | 0.2 mm | 4 | |
| 6 Sept. |  Patchy light drizzle | 21° /14° | 0.4 mm | 5 | |
| 7 Sept. | Light rain shower | 20° /16° | 3.4 mm | 5 | |
| 8 Sept. | Light rain shower | 19° /16° | 3.2 mm | 4 | |
| 9 Sept. | Patchy rain possible | 19° /14° | 0.3 mm | 4 | |
| 10 Sept. | Patchy rain possible | 19° /14° | 3.2 mm | 4 | |
| 11 Sept. | Light rain shower | 18° /14° | 5.9 mm | 4 | |
| 12 Sept. | Patchy rain possible | 18° /13° | 1.3 mm | 4 | |
| 13 Sept. |  Sunny | 19° /12° | 1.4 mm | 5 | |
| 14 Sept. | Sunny | 20° /13° | 5.9 mm | 5 | |
| 15 Sept. | Sunny | 20° /13° | 0.9 mm | 5 | |
| 16 Sept. | Partly cloudy | 20° /13° | 0.2 mm | 5 | |
| 17 Sept. |  Cloudy | 21° /14° | 0 mm | 5 | |
| 18 Sept. | Partly cloudy | 23° /14° | 0 mm | 6 | |
| 19 Sept. | Partly cloudy | 22° /16° | 0.2 mm | 6 | |
| 20 Sept. |  Patchy light rain with thunder | 21° /16° | 3.3 mm | 5 | |
| 21 Sept. | Light rain shower | 18° /14° | 4 mm | 4 | |
| 22 Sept. | Patchy rain possible | 19° /13° | 2.5 mm | 4 | |
| 23 Sept. | Light rain shower | 17° /12° | 4.8 mm | 4 | |
| 24 Sept. | Patchy rain possible | 19° /12° | 1.6 mm | 4 | |
| 25 Sept. | Light rain shower | 17° /12° | 12.4 mm | 5 | |
| 26 Sept. | Light rain shower | 17° /11° | 3.6 mm | 5 | |
| 27 Sept. | Light rain shower | 17° /12° | 2.5 mm | 5 | |
| 28 Sept. | Partly cloudy | 18° /10° | 0.2 mm | 6 | |
| 29 Sept. |  Moderate rain | 19° /11° | 4.9 mm | 5 | |
| 30 Sept. | Patchy rain possible | 19° /14° | 0.8 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Les Sables-d'Olonne 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 Les Sables-d'Olonne forecast closer to your planned date for the most up-to-date weather information.
Change Month
Les Sables-d'Olonne weather in September vs August vs October
Compare September weather in Les Sables-d'Olonne 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 | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 22°/16° | 19°/14° | 17°/13° |
| Rainfall | 61 mm | 102 mm | 133 mm |
| Wind | 21.9 km/h | 27.5 km/h | 25.8 km/h |
| Humidity | 75% | 75% | 81% |
| Rainy days | 6 days | 14 days | 13 days |
| Dry days | 25 days | 16 days | 18 days |
Planning a trip to Les Sables-d'Olonne? Discover the best time to visit
Les Sables-d'Olonne in September - FAQ
What are the expected maximum and minimum temperatures in Les Sables-d'Olonne during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Les Sables-d'Olonne during September?
Significant rainfall exceeding 101.5 mm is expected in Les Sables-d'Olonne during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Les Sables-d'Olonne during September?
The average wind speed in Les Sables-d'Olonne during September is 28 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Les Sables-d'Olonne in September?
As you prepare for your trip to Les Sables-d'Olonne 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 Les Sables-d'Olonne, 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
- 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 Les Sables-d'Olonne
Explore the daily rainfall trends and prepare for Les Sables-d'Olonnes September weather 💧
Typically, Les Sables-d'Olonne has 14 rainy days in September with a total of 101.5 mm of rainfall.
UV exposure in Les Sables-d'Olonne during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Les Sables-d'Olonne weather pages
You are here
Where is Les Sables-d'Olonne?Get accurate weather forecasts for Les Sables-d'Olonne, located at latitude 46.497 and longitude -1.785. Stay updated with localized weather information tailored for Les Sables-d'Olonne.
Found a mistake?
We appreciate your attention to details. Tell us here.