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Loire (Saint-Étienne)
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Weather in Loire for September 2025

Your guide to Loire weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Loire is cooler than usual, with temperatures averaging 21.9 °C, this is -2.1 °C below the typical seasonal average.

  • The forecast for the next days in Loire predicts temperatures to be around 19 °C, close to the historical average.

  • In general, the average temperature in Loire at the beginning of September is 26.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.9 °C by the end of September.

    • Rain 🌧️

  • The climate of Loire in September is notably wet, with an average of 15 rainy days, and a total of 117 mm of precipitation.

    • More

  • Is September a good time to visit Loire? check out the best time to travel to Loire page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/9°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Loire Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
26°
2
Patchy rain possible
26°
3
Sunny
28°
4
Sunny
26°
5
Sunny
24°
6
Partly cloudy
27°
7
Patchy rain possible
29°
8
Sunny
26°
9
Light rain shower
23°
10
Patchy rain possible
25°
11
Patchy rain possible
24°
12
Heavy rain at times
22°
13
Fog
18°
14
Mist
18°
15
Sunny
23°
16
Light drizzle
20°
17
Partly cloudy
22°
18
Sunny
27°
19
Sunny
30°
20
Sunny
28°
21
Patchy rain possible
25°
22
Heavy rain
15°
23
Patchy rain possible
16°
24
Patchy rain possible
10°
25
Partly cloudy
13°
26
Sunny
14°
27
Partly cloudy
15°
28
Partly cloudy
14°
29
Sunny
14°
30
Sunny
17°

Temperatures trend during September in Loire

See the weather trend as well as the moving average line

September weather in Loire day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 26° /11° 13.5 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
 26° /10° 0.5 mm 6
3 Sept. Sunny
Sunny
 28° /12° 4 mm 7
4 Sept. Sunny
Sunny
 26° /12° 6 mm 6
5 Sept. Sunny
Sunny
 24° /11° 15.7 mm 6
6 Sept. Partly cloudy
Partly cloudy
 27° /9° 0 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
 29° /11° 9.1 mm 7
8 Sept. Sunny
Sunny
 26° /12° 12.5 mm 6
9 Sept. Light rain shower
Light rain shower
 23° /10° 2.3 mm 5
10 Sept. Patchy rain possible
Patchy rain possible
 25° /10° 0 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 24° /11° 0.4 mm 6
12 Sept. Heavy rain at times
Heavy rain at times
 22° /8° 7.6 mm 5
13 Sept. Fog
Fog
 18° /7° 2.1 mm 4
14 Sept. Mist
Mist
 18° /8° 0.2 mm 4
15 Sept. Sunny
Sunny
 23° /8° 0.8 mm 6
16 Sept. Light drizzle
Light drizzle
 20° /7° 2.9 mm 5
17 Sept. Partly cloudy
Partly cloudy
 22° /11° 1.1 mm 6
18 Sept. Sunny
Sunny
 27° /12° 0 mm 1.4
19 Sept. Sunny
Sunny
 30° /13° 0 mm 1.4
20 Sept. Sunny
Sunny
 28° /14° 0 mm 1.3
21 Sept. Patchy rain possible
Patchy rain possible
 25° /13° 3.7 mm 1.1
22 Sept. Heavy rain
Heavy rain
 15° /12° 42.6 mm 0.3
23 Sept. Patchy rain possible
Patchy rain possible
 16° /8° 0.4 mm 3
24 Sept. Patchy rain possible
Patchy rain possible
 10° /7° 1.1 mm 2
25 Sept. Partly cloudy
Partly cloudy
 13° /5° 0 mm 3
26 Sept. Sunny
Sunny
 14° /2° 0 mm 3
27 Sept. Partly cloudy
Partly cloudy
 15° /4° 0 mm 3
28 Sept. Partly cloudy
Partly cloudy
 14° /4° 0 mm 3
29 Sept. Sunny
Sunny
 14° /2° 0 mm 3
30 Sept. Sunny
Sunny
 17° /4° 0 mm 3
Next
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.
Change Month
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Loire weather in September vs August vs October

Compare September weather in Loire with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures28°/13°23°/9°18°/7°
Rainfall74 mm117 mm107 mm
Wind14.1 km/h13.7 km/h15.5 km/h
Humidity61%68%75%
Rainy days14 days15 days18 days
Dry days17 days15 days13 days

Planning a trip to Loire? Discover the best time to visit

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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Get accurate weather forecasts for Loire, located at latitude 45.434 and longitude 4.39. Stay updated with localized weather information tailored for Loire.

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