Weather in Dortmund for September 2027
In general, the average temperature in Dortmund at the beginning of September is 24.8 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.1 °C by the end of September.
The climate of Dortmund in September is notably wet, with an average of 11 rainy days, and a total of 74.7 mm of precipitation.
Is September a good time to visit Dortmund? check out the best time to travel to Dortmund page.
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Dortmund Weather September
Temperatures trend during September in Dortmund
September weather in Dortmund day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Heavy rain | 22° /14° | 18.5 mm | 5 | |
| 2 Sept. |  Light rain shower | 24° /16° | 2 mm | 5 | |
| 3 Sept. | Patchy rain possible | 24° /16° | 1.2 mm | 4 | |
| 4 Sept. |  Light rain | 24° /16° | 7.8 mm | 4 | |
| 5 Sept. |  Sunny | 25° /15° | 0.9 mm | 5 | |
| 6 Sept. | Sunny | 27° /15° | 0 mm | 5.2 | |
| 7 Sept. |  Overcast | 29° /17° | 0.1 mm | 5.1 | |
| 8 Sept. | Patchy rain possible | 25° /17° | 1.5 mm | 5 | |
| 9 Sept. | Light rain | 21° /15° | 4.9 mm | 5 | |
| 10 Sept. | Patchy rain possible | 21° /13° | 0.7 mm | 4.9 | |
| 11 Sept. | Light rain | 21° /15° | 3 mm | 4 | |
| 12 Sept. | Patchy rain possible | 20° /13° | 0.4 mm | 4 | |
| 13 Sept. | Light rain | 17° /12° | 6 mm | 3 | |
| 14 Sept. | Overcast | 19° /11° | 0.2 mm | 4 | |
| 15 Sept. |  Partly cloudy | 23° /14° | 0.6 mm | 4 | |
| 16 Sept. | Light rain | 21° /14° | 3.1 mm | 4 | |
| 17 Sept. | Light rain shower | 20° /13° | 1.4 mm | 4 | |
| 18 Sept. | Overcast | 22° /15° | 0.8 mm | 4.2 | |
| 19 Sept. | Overcast | 23° /14° | 0 mm | 4 | |
| 20 Sept. | Patchy rain possible | 24° /15° | 1.5 mm | 4 | |
| 21 Sept. |  Moderate rain | 22° /12° | 6 mm | 3.9 | |
| 22 Sept. | Patchy rain possible | 19° /12° | 1 mm | 3.8 | |
| 23 Sept. | Patchy rain possible | 18° /11° | 0.5 mm | 3.8 | |
| 24 Sept. | Overcast | 18° /11° | 0.9 mm | 3.7 | |
| 25 Sept. | Light rain | 18° /11° | 4.6 mm | 3.6 | |
| 26 Sept. | Light rain | 18° /12° | 2.7 mm | 3.5 | |
| 27 Sept. | Patchy rain possible | 21° /12° | 1.4 mm | 3.4 | |
| 28 Sept. | Partly cloudy | 20° /13° | 0.5 mm | 3 | |
| 29 Sept. | Overcast | 21° /14° | 0.8 mm | 3 | |
| 30 Sept. | Patchy rain possible | 19° /12° | 1.5 mm | 3.2 | |
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Dortmund weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 25°/15° | 21°/13° | 15°/9° |
| Rainfall | 80 mm | 75 mm | 95 mm |
| Wind | 14.8 km/h | 15 km/h | 16.6 km/h |
| Humidity | 62% | 65% | 76% |
| Rainy days | 13 days | 11 days | 15 days |
| Dry days | 18 days | 19 days | 16 days |
Planning a trip to Dortmund? Discover the best time to visit
Dortmund in September - FAQ
What are the expected maximum and minimum temperatures in Dortmund during September?
How much rainfall should be expected in Dortmund during September?
What are the typical wind conditions in Dortmund during September?
September rainfall patterns in Dortmund
UV exposure in Dortmund during September
What to pack to Dortmund in September?
Mild & changeable · highs around 21 °C, frequent showers
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
👟 Footwear
🎒 Accessories
Where is Dortmund?Get accurate weather forecasts for Dortmund, located at latitude 51.515 and longitude 7.466. Stay updated with localized weather information tailored for Dortmund.