Mettmann Weather in September
Mettmann in September
The short of it: Mettmann in September averages a high of 19 °C (66 °F) and a low of 11 °C (51 °F), with 81 mm (3.2 in) of rain and about 12 h 33 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 81 mm · daylight 12 h 33 min
✦✦✦ Fair for a visit · best months: May & August
Thirty years of records give Mettmann an average September high of 19°, a low of 11° and some 81 mm of rain. The year turns hard here: highs drop 4° from August to about 19°, with nights near 11°. Wet spells are common — about 81 mm, the 8th wettest month.
The sun is up for about 12 h 33 min in mid-September, 121 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, Mettmann runs about middling and drier than most in September. Hilden, 10 km to the SSW, is 1° warmer by day.
September in Mettmann, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 8th wettest of 12
- Versus August
- 4° colder, 14 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 9°
- Snow season
- Dec–Feb
- Daylight, mid-month
- 12 h 33 min
- Average wind
- 11 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| HildenNorth Rhine-Westphalia | 10 km SSW | 20° | 11° | 73 mm |
| RatingenNorth Rhine-Westphalia | 10 km WNW | 20° | 11° | 71 mm |
| VelbertNorth Rhine-Westphalia | 11 km NNE | 19° | 10° | 85 mm |
| SolingenNorth Rhine-Westphalia | 11 km SE | 19° | 10° | 89 mm |
| WuppertalNorth Rhine-Westphalia | 12 km E | 18° | 10° | 92 mm |
| DüsseldorfNorth Rhine-Westphalia | 14 km WSW | 20° | 11° | 66 mm |
| LangenfeldNorth Rhine-Westphalia | 16 km S | 20° | 11° | 70 mm |
| RemscheidNorth Rhine-Westphalia | 17 km ESE | 18° | 10° | 93 mm |