Weather in Dortmund for September 2025
In general, the average temperature in Dortmund at the beginning of September is 27 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.6 °C by the end of September.
Dortmund experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 98.3 mm.
Is September a good time to visit Dortmund? check out the best time to travel to Dortmund page.
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Dortmund in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 24° | 2 27° | 3 26° | 4 23° | 5 30° | 6 29° | 7 30° |
8 27° | 9 26° | 10 24° | 11 24° | 12 20° | 13 17° | 14 18° |
15 22° | 16 22° | 17 23° | 18 24° | 19 22° | 20 24° | 21 24° |
22 22° | 23 18° | 24 18° | 25 18° | 26 20° | 27 20° | 28 18° |
29 19° | 30 17° |
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Temperatures trend during September in Dortmund
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Heavy rain | 24° /14° | 33 mm | 6 | |
2 Sept. | Light rain shower | 27° /17° | 3.8 mm | 6 | |
3 Sept. | Mist | 26° /16° | 1.4 mm | 6 | |
4 Sept. | Overcast | 23° /15° | 13 mm | 6 | |
5 Sept. | Sunny | 30° /16° | 1.2 mm | 7 | |
6 Sept. | Sunny | 29° /17° | 0.1 mm | 7 | |
7 Sept. | Sunny | 30° /17° | 0 mm | 8 | |
8 Sept. | Sunny | 27° /17° | 0.4 mm | 7 | |
9 Sept. | Sunny | 26° /17° | 1.9 mm | 7 | |
10 Sept. | Sunny | 24° /16° | 1.3 mm | 6 | |
11 Sept. | Sunny | 24° /15° | 4.6 mm | 6 | |
12 Sept. | Thundery outbreaks possible | 20° /13° | 0.4 mm | 5 | |
13 Sept. | Overcast | 17° /10° | 1.3 mm | 4 | |
14 Sept. | Overcast | 18° /10° | 0.1 mm | 5 | |
15 Sept. | Partly cloudy | 22° /11° | 0 mm | 5 | |
16 Sept. | Partly cloudy | 22° /15° | 1.1 mm | 6 | |
17 Sept. | Light rain shower | 23° /14° | 1.8 mm | 6 | |
18 Sept. | Overcast | 24° /15° | 0.6 mm | 6 | |
19 Sept. | Patchy rain possible | 22° /14° | 0 mm | 5 | |
20 Sept. | Partly cloudy | 24° /14° | 0 mm | 6 | |
21 Sept. | Moderate rain | 24° /14° | 5.6 mm | 6 | |
22 Sept. | Moderate rain | 22° /13° | 1.9 mm | 6 | |
23 Sept. | Patchy rain possible | 18° /12° | 1 mm | 4 | |
24 Sept. | Partly cloudy | 18° /11° | 1.7 mm | 5 | |
25 Sept. | Cloudy | 18° /12° | 9.2 mm | 5 | |
26 Sept. | Sunny | 20° /12° | 4.5 mm | 5 | |
27 Sept. | Overcast | 20° /12° | 2.7 mm | 5 | |
28 Sept. | Partly cloudy | 18° /12° | 1 mm | 5 | |
29 Sept. | Light rain shower | 19° /11° | 1.6 mm | 5 | |
30 Sept. | Partly cloudy | 17° /9° | 3.1 mm | 5 | |
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Dortmund in September - FAQ
What to pack to Dortmund in September?
As you prepare for your trip to Dortmund 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 Dortmund, 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 Dortmund
UV exposure in Dortmund during September
Quick links
Get accurate weather forecasts for Dortmund, located at latitude 51.515 and longitude 7.466. Stay updated with localized weather information tailored for Dortmund.