Dortmund Weather in September
Dortmund in September
The short of it: Dortmund in September averages a high of 20 °C (68 °F) and a low of 10 °C (50 °F), with 72 mm (2.8 in) of rain and about 12 h 33 min of daylight. Rated 3 of 5 for a visit; the best months are May and June. Source: TerraClimate climate normals, 1991–2020.
Average high 20° · low 10° · rain 72 mm · daylight 12 h 33 min
✦✦✦ Fair for a visit · best months: May & June
September in Dortmund brings afternoons near 20° and nights around 10°, with about 72 mm of rain over the month. Highs fall 4° against August, to near 20°; nights run about 10°. Wet spells are common — about 72 mm, the 6th wettest month.
The sun is up for about 12 h 33 min in mid-September, 122 minutes less than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are May and June.
Against its neighbours, Dortmund runs warmer than most and drier than most in September. Witten, 11 km to the SW, is 1° cooler by day.
September in Dortmund, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 6th wettest of 12
- Versus August
- 4° colder, 28 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 10°
- Snow season
- Dec–Feb
- Daylight, mid-month
- 12 h 33 min
- Average wind
- 10 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| WittenNorth Rhine-Westphalia | 11 km SW | 19° | 10° | 80 mm |
| Castrop-RauxelNorth Rhine-Westphalia | 12 km WNW | 20° | 10° | 74 mm |
| LünenNorth Rhine-Westphalia | 12 km NNE | 20° | 10° | 68 mm |
| UnnaNorth Rhine-Westphalia | 16 km E | 19° | 9° | 70 mm |
| HerneNorth Rhine-Westphalia | 17 km W | 20° | 10° | 77 mm |
| HagenNorth Rhine-Westphalia | 17 km S | 19° | 10° | 83 mm |
| BochumNorth Rhine-Westphalia | 18 km WSW | 20° | 10° | 80 mm |
| RecklinghausenNorth Rhine-Westphalia | 22 km WNW | 20° | 10° | 76 mm |