Loire (Saint-Étienne)
September
Weather in Loire for September 2025
Your guide to Loire weather in September - trends and predictions
In general, the average temperature in Loire at the beginning of September is 27.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.4 °C by the end of September.
The climate of Loire in September is notably wet, with an average of 15 rainy days, and a total of 117 mm of precipitation.
Is September a good time to visit Loire? check out the best time to travel to Loire page.
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Temperatures
Rain 🌧️
More
15
Dry days
15
Rainy days
0
Snow days
23°/9°
Temperatures
14 km/h
Avg max wind
68 %
Avg humidity
Loire in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  28° | 3 28° | 4 27° | 5 25° | 6 27° | 7 30° |
| 8 27° | 9 25° | 10 26° | 11 25° | 12  22° | 13  16° | 14 18° |
| 15 22° | 16  21° | 17 22° | 18  21° | 19  22° | 20 24° | 21 21° |
| 22 18° | 23 17° | 24 18° | 25 22° | 26 23° | 27  21° | 28 20° |
| 29 23° | 30 23° |
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Temperatures trend during September in Loire
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 30° /12° | 0 mm | 8 | |
| 2 Sept. | Sunny | 28° /11° | 0 mm | 7 | |
| 3 Sept. | Sunny | 28° /12° | 6 mm | 7 | |
| 4 Sept. | Sunny | 27° /12° | 3.9 mm | 7 | |
| 5 Sept. | Sunny | 25° /13° | 23.5 mm | 6 | |
| 6 Sept. | Sunny | 27° /10° | 0 mm | 7 | |
| 7 Sept. | Sunny | 30° /12° | 12.7 mm | 7 | |
| 8 Sept. | Sunny | 27° /12° | 14.2 mm | 7 | |
| 9 Sept. | Sunny | 25° /11° | 0.7 mm | 6 | |
| 10 Sept. | Sunny | 26° /10° | 0 mm | 6 | |
| 11 Sept. | Sunny | 25° /11° | 0.6 mm | 6 | |
| 12 Sept. | Heavy rain at times | 22° /8° | 11.4 mm | 5 | |
| 13 Sept. | Fog | 16° /6° | 0.5 mm | 4 | |
| 14 Sept. | Mist | 18° /6° | 0 mm | 5 | |
| 15 Sept. | Sunny | 22° /5° | 0 mm | 6 | |
| 16 Sept. | Light drizzle | 21° /7° | 4.3 mm | 5 | |
| 17 Sept. | Partly cloudy | 22° /11° | 1.1 mm | 6 | |
| 18 Sept. | Patchy light rain with thunder | 21° /8° | 16 mm | 5 | |
| 19 Sept. | Patchy rain possible | 22° /9° | 0.2 mm | 5 | |
| 20 Sept. | Partly cloudy | 24° /9° | 0 mm | 6 | |
| 21 Sept. | Light rain shower | 21° /11° | 5.2 mm | 5 | |
| 22 Sept. | Patchy rain possible | 18° /9° | 2.7 mm | 4 | |
| 23 Sept. | Patchy rain possible | 17° /6° | 5.4 mm | 4 | |
| 24 Sept. | Sunny | 18° /5° | 0.6 mm | 5 | |
| 25 Sept. | Sunny | 22° /6° | 0 mm | 6 | |
| 26 Sept. | Sunny | 23° /10° | 3.9 mm | 6 | |
| 27 Sept. | Overcast | 21° /7° | 0.5 mm | 5 | |
| 28 Sept. | Partly cloudy | 20° /6° | 1.1 mm | 5 | |
| 29 Sept. | Sunny | 23° /6° | 0 mm | 6 | |
| 30 Sept. | Sunny | 23° /8° | 2.5 mm | 6 | |
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Important Notice
Our weather forecast for Loire 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 forecast closer to your planned date for the most up-to-date weather information.
Loire in September - FAQ
What are the expected maximum and minimum temperatures in Loire during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Loire during September?
Significant rainfall exceeding 117 mm is expected in Loire during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Loire during September?
The average wind speed in Loire during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Loire in September?
As you prepare for your trip to Loire 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, 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 Loire
Explore the daily rainfall trends and prepare for Loires September weather 💧
UV exposure in Loire during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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