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Weather in Bas-Rhin for September 2025

Your guide to Bas-Rhin weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Bas-Rhin is cooler than usual, with temperatures averaging 21.3 °C, this is -2.7 °C below the typical seasonal average.

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

  • In general, the average temperature in Bas-Rhin at the beginning of September is 26.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.4 °C by the end of September.

    • Rain 🌧️

  • Bas-Rhin experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 73.3 mm.

    • More

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

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

Average dry days
7
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/12°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Bas-Rhin Weather September

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

Temperatures trend during September in Bas-Rhin

See the weather trend as well as the moving average line

September weather in Bas-Rhin day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 25° /14° 0.4 mm 6
2 Sept. Sunny
Sunny
 26° /13° 1.1 mm 6
3 Sept. Sunny
Sunny
 26° /14° 2.3 mm 6
4 Sept. Light rain shower
Light rain shower
 25° /14° 5.3 mm 6
5 Sept. Sunny
Sunny
 26° /13° 2 mm 7
6 Sept. Sunny
Sunny
 27° /13° 2.1 mm 6
7 Sept. Sunny
Sunny
 28° /13° 1.6 mm 7
8 Sept. Sunny
Sunny
 25° /14° 4.6 mm 6
9 Sept. Light rain shower
Light rain shower
 24° /14° 8.9 mm 5
10 Sept. Heavy rain at times
Heavy rain at times
 23° /13° 3 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 22° /12° 1.8 mm 5
12 Sept. Sunny
Sunny
 24° /11° 0.3 mm 6
13 Sept. Overcast
Overcast
 22° /11° 1.3 mm 5
14 Sept. Heavy rain at times
Heavy rain at times
 21° /12° 4.8 mm 5
15 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /12° 6.4 mm 5
16 Sept. Patchy rain possible
Patchy rain possible
 18° /11° 1.9 mm 4
17 Sept. Patchy rain possible
Patchy rain possible
 21° /11° 1 mm 5
18 Sept. Sunny
Sunny
 25° /11° 0 mm 1.2
19 Sept. Sunny
Sunny
 27° /13° 0 mm 1.2
20 Sept. Sunny
Sunny
 29° /15° 0 mm 1.1
21 Sept. Patchy rain possible
Patchy rain possible
 25° /16° 2.1 mm 0.6
22 Sept. Moderate rain
Moderate rain
 16° /14° 15.8 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
 17° /11° 2.4 mm 3
24 Sept. Patchy rain possible
Patchy rain possible
 19° /10° 0.6 mm 3
25 Sept. Partly cloudy
Partly cloudy
 18° /9° 0 mm 4
26 Sept. Sunny
Sunny
 16° /8° 0 mm 4
27 Sept. Partly cloudy
Partly cloudy
 15° /7° 0 mm 4
28 Sept. Sunny
Sunny
 15° /6° 0 mm 4
29 Sept. Partly cloudy
Partly cloudy
 16° /8° 0 mm 4
30 Sept. Sunny
Sunny
 16° /6° 0 mm 4
Next
Important Notice
Our weather forecast for Bas-Rhin 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 Bas-Rhin forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Bas-Rhin weather in September vs August vs October

Compare September weather in Bas-Rhin 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
Temperatures26°/15°22°/12°18°/9°
Rainfall80 mm73 mm69 mm
Wind11.8 km/h11.7 km/h12 km/h
Humidity67%72%74%
Rainy days21 days23 days21 days
Dry days10 days7 days10 days

Planning a trip to Bas-Rhin? Discover the best time to visit

Bas-Rhin in September - FAQ

What are the expected maximum and minimum temperatures in Bas-Rhin 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 Bas-Rhin during September?
Moderate rainfall is anticipated in Bas-Rhin 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 Bas-Rhin during September?
The average wind speed in Bas-Rhin during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Bas-Rhin in September?

As you prepare for your trip to Bas-Rhin 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 Bas-Rhin, 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 Bas-Rhin

Explore the daily rainfall trends and prepare for Bas-Rhins September weather 💧

UV exposure in Bas-Rhin during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Bas-Rhin?

Get accurate weather forecasts for Bas-Rhin, located at latitude 48.584 and longitude 7.746. Stay updated with localized weather information tailored for Bas-Rhin.

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