Grand Est (Strasbourg)
September
Weather in Grand Est for September 2027
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 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.5 °C by the end of September.
The climate of Grand Est in September is notably wet, with an average of 12 rainy days, and a total of 75.6 mm of precipitation.
Is September a good time to visit Grand Est? check out the best time to travel to Grand Est page.
✨ Is September a good time to visit Grand Est? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
18
Dry days
12
Rainy days
0
Snow days
22°/12°
Temperatures
12 km/h
Avg max wind
70 %
Avg humidity
Grand Est Weather September
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What’s the Weather Like in Grand Est This September?
Discover the average temperatures and weather trends across Grand Est’s cities this September.
Temperatures trend during September in Grand Est
See the weather trend as well as the moving average line
September weather in Grand Est day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 24° /14° | 0.3 mm | 5 | |
| 2 Sept. |  Sunny | 25° /13° | 0.9 mm | 6 | |
| 3 Sept. | Patchy rain possible | 26° /15° | 1.9 mm | 6 | |
| 4 Sept. |  Light rain | 26° /15° | 4.4 mm | 6 | |
| 5 Sept. | Patchy rain possible | 26° /14° | 1.9 mm | 6 | |
| 6 Sept. | Patchy rain possible | 27° /13° | 1.8 mm | 5.9 | |
| 7 Sept. | Patchy rain possible | 28° /15° | 1.5 mm | 5.8 | |
| 8 Sept. | Light rain | 26° /15° | 4.2 mm | 5.7 | |
| 9 Sept. | Light rain | 23° /14° | 7.9 mm | 5 | |
| 10 Sept. | Light rain | 23° /13° | 2.5 mm | 5.5 | |
| 11 Sept. | Patchy rain possible | 22° /12° | 1.5 mm | 5 | |
| 12 Sept. | Sunny | 24° /12° | 0.2 mm | 5.4 | |
| 13 Sept. | Patchy rain possible | 23° /12° | 1.2 mm | 5 | |
| 14 Sept. | Light rain | 22° /13° | 4 mm | 4 | |
| 15 Sept. |  Moderate or heavy rain shower | 22° /13° | 5.4 mm | 5 | |
| 16 Sept. | Patchy rain possible | 19° /12° | 2.4 mm | 4 | |
| 17 Sept. |  Overcast | 21° /11° | 0.7 mm | 4.9 | |
| 18 Sept. | Patchy rain possible | 21° /12° | 1.2 mm | 4.8 | |
| 19 Sept. | Patchy rain possible | 22° /11° | 0.5 mm | 4.7 | |
| 20 Sept. | Sunny | 23° /12° | 0.1 mm | 4.6 | |
| 21 Sept. | Light rain | 21° /11° | 6.6 mm | 4.6 | |
| 22 Sept. | Patchy rain possible | 19° /9° | 2.2 mm | 4 | |
| 23 Sept. | Patchy rain possible | 19° /9° | 2.3 mm | 4 | |
| 24 Sept. | Light rain | 19° /10° | 5.9 mm | 4 | |
| 25 Sept. | Light rain | 19° /9° | 2.5 mm | 4 | |
| 26 Sept. | Light rain | 20° /10° | 4.1 mm | 4 | |
| 27 Sept. | Light rain | 20° /10° | 2.6 mm | 4 | |
| 28 Sept. | Light rain | 20° /10° | 2.7 mm | 3.9 | |
| 29 Sept. | Patchy rain possible | 20° /10° | 1.6 mm | 3.9 | |
| 30 Sept. | Patchy rain possible | 20° /10° | 0.5 mm | 3.8 | |
| Next | |||||
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.
Change Month
Grand Est weather in September vs August vs October
Compare September weather in Grand Est 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 | 26°/15° | 22°/12° | 17°/9° |
| Rainfall | 80 mm | 76 mm | 78 mm |
| Wind | 12.5 km/h | 12.1 km/h | 12.9 km/h |
| Humidity | 65% | 70% | 75% |
| Rainy days | 12 days | 12 days | 12 days |
| Dry days | 19 days | 18 days | 19 days |
Planning a trip to Grand Est? Discover the best time to visit
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 75.6 mm spread over approximately 12 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.
September rainfall patterns in Grand Est
Explore the daily rainfall trends and prepare for Grand Ests September weather 💧
Typically, Grand Est has 12 rainy days in September with a total of 75.6 mm of rainfall.
UV exposure in Grand Est during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
What to pack to Grand Est in September?
Mild & changeable · highs around 22 °C, frequent showers
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.
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