Nantes
September
Weather in Nantes for September 2025
Your guide to Nantes weather in September - trends and predictions
In general, the average temperature in Nantes at the beginning of September is 26.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20 °C by the end of September.
Nantes experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 74.5 mm.
Is September a good time to visit Nantes? check out the best time to travel to Nantes page.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
7
Dry days
23
Rainy days
0
Snow days
23°/13°
Temperatures
20 km/h
Avg max wind
67 %
Avg humidity
Nantes in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  25° | 3 27° | 4  28° | 5 28° | 6 28° | 7  27° |
| 8 25° | 9 25° | 10 24° | 11 25° | 12 25° | 13 26° | 14 26° |
| 15 25° | 16 23° | 17 24° | 18 23° | 19 23° | 20  22° | 21 21° |
| 22 22° | 23 21° | 24 22° | 25 20° | 26 21° | 27  20° | 28 19° |
| 29  18° | 30 20° |
You can click on date
Access Nantes weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Nantes
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 24° /15° | 6 mm | 6 | |
| 2 Sept. | Sunny | 25° /14° | 1.6 mm | 6 | |
| 3 Sept. | Patchy rain possible | 27° /15° | 1 mm | 6 | |
| 4 Sept. | Moderate or heavy rain shower | 28° /15° | 1.4 mm | 7 | |
| 5 Sept. | Patchy rain possible | 28° /15° | 0.1 mm | 6 | |
| 6 Sept. | Patchy rain possible | 28° /16° | 1.3 mm | 6 | |
| 7 Sept. | Partly cloudy | 27° /16° | 4.7 mm | 6 | |
| 8 Sept. | Moderate or heavy rain shower | 25° /16° | 8.5 mm | 6 | |
| 9 Sept. | Patchy rain possible | 25° /15° | 1.6 mm | 6 | |
| 10 Sept. | Patchy rain possible | 24° /14° | 0.5 mm | 5 | |
| 11 Sept. | Partly cloudy | 25° /13° | 1.6 mm | 6 | |
| 12 Sept. | Partly cloudy | 25° /13° | 0.1 mm | 6 | |
| 13 Sept. | Sunny | 26° /13° | 0.7 mm | 6 | |
| 14 Sept. | Moderate or heavy rain shower | 26° /13° | 1.8 mm | 6 | |
| 15 Sept. | Patchy rain possible | 25° /13° | 0.1 mm | 6 | |
| 16 Sept. | Patchy rain possible | 23° /12° | 0.5 mm | 5 | |
| 17 Sept. | Partly cloudy | 24° /12° | 2.2 mm | 6 | |
| 18 Sept. | Partly cloudy | 23° /12° | 1 mm | 6 | |
| 19 Sept. | Patchy rain possible | 23° /12° | 1.3 mm | 6 | |
| 20 Sept. | Overcast | 22° /11° | 2.7 mm | 5 | |
| 21 Sept. | Light rain shower | 21° /11° | 13.5 mm | 5 | |
| 22 Sept. | Sunny | 22° /10° | 1.8 mm | 5 | |
| 23 Sept. | Sunny | 21° /10° | 1.4 mm | 5 | |
| 24 Sept. | Sunny | 22° /10° | 1 mm | 6 | |
| 25 Sept. | Light rain shower | 20° /12° | 9.8 mm | 5 | |
| 26 Sept. | Patchy rain possible | 21° /12° | 2.1 mm | 5 | |
| 27 Sept. | Heavy rain at times | 20° /11° | 2.6 mm | 5 | |
| 28 Sept. | Patchy rain possible | 19° /10° | 0.8 mm | 5 | |
| 29 Sept. | Cloudy | 18° /9° | 1.5 mm | 4 | |
| 30 Sept. | Sunny | 20° /9° | 1.1 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Nantes 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 Nantes forecast closer to your planned date for the most up-to-date weather information.
Nantes in September - FAQ
What are the expected maximum and minimum temperatures in Nantes during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Nantes during September?
Moderate rainfall is anticipated in Nantes during September, with a total of 74.5 mm spread over approximately 23 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Nantes during September?
The average wind speed in Nantes during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Nantes in September?
As you prepare for your trip to Nantes 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 Nantes, 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 Nantes
Explore the daily rainfall trends and prepare for Nantess September weather 💧
UV exposure in Nantes during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
You are here
Where is Nantes?Get accurate weather forecasts for Nantes, located at latitude 47.217 and longitude -1.553. Stay updated with localized weather information tailored for Nantes.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.