Aachen Weather in September
Aachen in September
The short of it: Aachen in September averages a high of 19 °C (67 °F) and a low of 11 °C (52 °F), with 75 mm (3.0 in) of rain and about 12 h 32 min of daylight. Rated 3 of 5 for a visit; the best months are May and August. Source: TerraClimate climate normals, 1991–2020.
Average high 19° · low 11° · rain 75 mm · daylight 12 h 32 min
✦✦✦ Fair for a visit · best months: May & August
September in Aachen brings afternoons near 19° and nights around 11°, with about 75 mm of rain over the month. Much like August: highs about 19°, nights near 11°. Easy travelling weather. Wet spells are common — about 75 mm, the 4th wettest month.
The sun is up for about 12 h 32 min in mid-September, 119 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 August.
Against its neighbours, Aachen runs about middling and wetter than most in September. Kerkrade, 10 km to the N, sees much the same highs.
September in Aachen, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus August
- 4° colder, 5.0 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 8°
- Snow season
- Dec–Feb
- Daylight, mid-month
- 12 h 32 min
- Average wind
- 11 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| KerkradeLimburg | 10 km N | 20° | 11° | 72 mm |
| StolbergNorth Rhine-Westphalia | 10 km E | 19° | 11° | 71 mm |
| HerzogenrathNorth Rhine-Westphalia | 10 km N | 19° | 11° | 70 mm |
| AlsdorfNorth Rhine-Westphalia | 12 km NNE | 19° | 11° | 68 mm |
| HeerlenLimburg | 14 km NNW | 20° | 11° | 68 mm |
| EschweilerNorth Rhine-Westphalia | 14 km ENE | 19° | 11° | 66 mm |
| VerviersWallonia | 26 km SW | 19° | 10° | 80 mm |
| MaastrichtLimburg | 29 km WNW | 20° | 11° | 65 mm |