Grand Est (Strasbourg)
September
Weather in Grand Est for September 2025
Your guide to Grand Est weather in September - trends and predictions
In general, the average temperature in Grand Est at the beginning of September is 26.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.1 °C by the end of September.
Grand Est experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 73.3 mm.
Is September a good time to visit Grand Est? check out the best time to travel to Grand Est page.
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Temperatures
Rain 🌧️
More
7
Dry days
23
Rainy days
0
Snow days
22°/12°
Temperatures
12 km/h
Avg max wind
72 %
Avg humidity
Grand Est in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2  26° | 3 27° | 4 26° | 5 28° | 6 27° | 7 28° |
| 8 25° | 9  25° | 10  24° | 11 23° | 12 24° | 13 22° | 14 21° |
| 15 21° | 16 18° | 17 21° | 18 20° | 19 21° | 20 21° | 21 22° |
| 22 20° | 23 20° | 24 20° | 25 20° | 26 20° | 27  19° | 28 18° |
| 29 19° | 30 18° |
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Temperatures trend during September in Grand Est
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. | Patchy rain possible | 26° /14° | 0.1 mm | 6 | |
| 2 Sept. | Sunny | 26° /13° | 0.7 mm | 6 | |
| 3 Sept. | Sunny | 27° /14° | 2.9 mm | 7 | |
| 4 Sept. | Sunny | 26° /14° | 2.5 mm | 6 | |
| 5 Sept. | Sunny | 28° /14° | 0.7 mm | 7 | |
| 6 Sept. | Sunny | 27° /13° | 2.6 mm | 7 | |
| 7 Sept. | Sunny | 28° /14° | 2 mm | 7 | |
| 8 Sept. | Sunny | 25° /14° | 4.8 mm | 6 | |
| 9 Sept. | Moderate or heavy rain shower | 25° /14° | 3.4 mm | 6 | |
| 10 Sept. | Heavy rain at times | 24° /14° | 3.7 mm | 6 | |
| 11 Sept. | Patchy rain possible | 23° /12° | 2.1 mm | 5 | |
| 12 Sept. | Sunny | 24° /11° | 0.3 mm | 6 | |
| 13 Sept. | Sunny | 22° /12° | 1.3 mm | 5 | |
| 14 Sept. | Heavy rain at times | 21° /12° | 2.9 mm | 5 | |
| 15 Sept. | Moderate or heavy rain shower | 21° /11° | 7.8 mm | 5 | |
| 16 Sept. | Heavy rain at times | 18° /11° | 2.4 mm | 4 | |
| 17 Sept. | Patchy rain possible | 21° /11° | 1 mm | 5 | |
| 18 Sept. | Light rain shower | 20° /11° | 1.7 mm | 5 | |
| 19 Sept. | Patchy rain possible | 21° /10° | 0.7 mm | 5 | |
| 20 Sept. | Patchy rain possible | 21° /10° | 0.2 mm | 5 | |
| 21 Sept. | Sunny | 22° /10° | 3.5 mm | 6 | |
| 22 Sept. | Sunny | 20° /9° | 2.1 mm | 5 | |
| 23 Sept. | Sunny | 20° /8° | 2.7 mm | 5 | |
| 24 Sept. | Sunny | 20° /10° | 2 mm | 5 | |
| 25 Sept. | Patchy rain possible | 20° /9° | 1.8 mm | 5 | |
| 26 Sept. | Heavy rain at times | 20° /11° | 6.1 mm | 5 | |
| 27 Sept. | Overcast | 19° /10° | 3.8 mm | 4 | |
| 28 Sept. | Overcast | 18° /10° | 4.1 mm | 4 | |
| 29 Sept. | Heavy rain at times | 19° /8° | 2.5 mm | 5 | |
| 30 Sept. | Patchy rain possible | 18° /8° | 0.7 mm | 5 | |
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Important Notice
Our weather forecast for Grand Est 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 Grand Est forecast closer to your planned date for the most up-to-date weather information.
Grand Est in September - FAQ
What are the expected maximum and minimum temperatures in Grand Est during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Grand Est during September?
Moderate rainfall is anticipated in Grand Est during September, with a total of 73.3 mm spread over approximately 23 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Grand Est during September?
The average wind speed in Grand Est during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Grand Est in September?
As you prepare for your trip to Grand Est 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 Grand Est, 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 Grand Est
Explore the daily rainfall trends and prepare for Grand Ests September weather 💧
UV exposure in Grand Est during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Grand Est?Get accurate weather forecasts for Grand Est, located at latitude 48.584 and longitude 7.746. Stay updated with localized weather information tailored for Grand Est.
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