Loire-Atlantique (Nantes)
September
Weather in Loire-Atlantique for September 2027
Your guide to Loire-Atlantique weather in September - trends and predictions
In general, the average temperature in Loire-Atlantique at the beginning of September is 25.8 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.8 °C by the end of September.
Loire-Atlantique experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 60.9 mm.
Is September a good time to visit Loire-Atlantique? check out the best time to travel to Loire-Atlantique page.
✨ Is September a good time to visit Loire-Atlantique? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
23°/13°
Temperatures
21 km/h
Avg max wind
68 %
Avg humidity
Loire-Atlantique Weather September
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Temperatures trend during September in Loire-Atlantique
See the weather trend as well as the moving average line
September weather in Loire-Atlantique day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 23° /14° | 4.4 mm | 5 | |
| 2 Sept. |  Patchy rain possible | 24° /14° | 1.8 mm | 5 | |
| 3 Sept. | Patchy rain possible | 26° /16° | 1.9 mm | 6 | |
| 4 Sept. | Patchy rain possible | 27° /15° | 1.3 mm | 6 | |
| 5 Sept. | Patchy rain possible | 27° /14° | 0.1 mm | 6 | |
| 6 Sept. |  Overcast | 29° /16° | 0.9 mm | 6 | |
| 7 Sept. | Light rain | 26° /16° | 3.3 mm | 5 | |
| 8 Sept. |  Moderate or heavy rain shower | 24° /15° | 5.8 mm | 5 | |
| 9 Sept. | Patchy rain possible | 24° /14° | 1.1 mm | 6 | |
| 10 Sept. | Patchy rain possible | 23° /13° | 1.2 mm | 5 | |
| 11 Sept. | Patchy rain possible | 24° /14° | 1.4 mm | 5 | |
| 12 Sept. |  Partly cloudy | 24° /13° | 0.5 mm | 5.7 | |
| 13 Sept. | Patchy rain possible | 25° /13° | 1.3 mm | 5 | |
| 14 Sept. | Patchy rain possible | 26° /14° | 1.6 mm | 5 | |
| 15 Sept. | Patchy rain possible | 25° /13° | 0.1 mm | 5.4 | |
| 16 Sept. | Patchy rain possible | 22° /12° | 0.4 mm | 5 | |
| 17 Sept. | Patchy rain possible | 23° /12° | 1.6 mm | 5 | |
| 18 Sept. |  Sunny | 24° /12° | 0.7 mm | 5 | |
| 19 Sept. | Patchy rain possible | 24° /13° | 0.9 mm | 5 | |
| 20 Sept. | Patchy rain possible | 23° /12° | 2.1 mm | 4 | |
| 21 Sept. |  Moderate rain | 22° /12° | 10.2 mm | 4 | |
| 22 Sept. | Patchy rain possible | 22° /11° | 1.8 mm | 4.8 | |
| 23 Sept. | Patchy rain possible | 21° /10° | 1 mm | 4.7 | |
| 24 Sept. | Sunny | 23° /11° | 0.6 mm | 4.6 | |
| 25 Sept. | Light rain | 21° /12° | 6.5 mm | 4 | |
| 26 Sept. | Patchy rain possible | 20° /12° | 1.4 mm | 4 | |
| 27 Sept. | Patchy rain possible | 20° /12° | 2 mm | 4 | |
| 28 Sept. | Light rain | 20° /11° | 2.9 mm | 4 | |
| 29 Sept. | Patchy rain possible | 20° /11° | 1.2 mm | 4 | |
| 30 Sept. | Patchy rain possible | 21° /11° | 1 mm | 4.1 | |
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Important Notice
Our weather forecast for Loire-Atlantique 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 Loire-Atlantique forecast closer to your planned date for the most up-to-date weather information.
Change Month
Loire-Atlantique weather in September vs August vs October
Compare September weather in Loire-Atlantique 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 | 27°/15° | 23°/13° | 19°/11° |
| Rainfall | 37 mm | 61 mm | 93 mm |
| Wind | 21.3 km/h | 20.6 km/h | 22.6 km/h |
| Humidity | 61% | 68% | 74% |
| Rainy days | 7 days | 10 days | 13 days |
| Dry days | 24 days | 20 days | 18 days |
Planning a trip to Loire-Atlantique? Discover the best time to visit
Loire-Atlantique in September - FAQ
What are the expected maximum and minimum temperatures in Loire-Atlantique 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 Loire-Atlantique during September?
Moderate rainfall is anticipated in Loire-Atlantique during September, with a total of 60.9 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Loire-Atlantique during September?
The average wind speed in Loire-Atlantique during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Loire-Atlantique
Explore the daily rainfall trends and prepare for Loire-Atlantiques September weather 💧
Typically, Loire-Atlantique has 10 rainy days in September with a total of 60.9 mm of rainfall.
UV exposure in Loire-Atlantique during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
What to pack to Loire-Atlantique in September?
Mild & changeable · highs around 23 °C, frequent showers
As you prepare for your trip to Loire-Atlantique 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 Loire-Atlantique, during September, is comfortable and enjoyable, regardless of the weather conditions.
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