Hamm Weather in September
Hamm in September
The short of it: Hamm in September averages a high of 19 °C (67 °F) and a low of 10 °C (49 °F), with 64 mm (2.5 in) of rain and about 12 h 31 min of daylight. Rated 4 of 5 for a visit; the best months are June and August. Source: TerraClimate climate normals, 1991–2020.
Average high 19° · low 10° · rain 64 mm · daylight 12 h 31 min
✦✦✦✦ Recommended for a visit · best months: June & August
September in Hamm brings afternoons near 19° and nights around 10°, with about 64 mm of rain over the month. Highs fall 5° against August, to near 19°; nights run about 10°. Wet spells are common — about 64 mm, the 9th wettest month.
The sun is up for about 12 h 31 min in mid-September, 114 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 4 of 5 for a visit; the finest months here are June and August.
Against its neighbours, Hamm runs cooler than most and wetter than most in September. Bonnevoie-Sud, 2 km to the SW, sees much the same highs.
September in Hamm, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 9th wettest of 12
- Versus August
- 5° colder, 2.0 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 10°
- Snow season
- Dec–Feb
- Daylight, mid-month
- 12 h 31 min
- Average wind
- 10 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Bonnevoie-SudLuxembourg | 2 km SW | 20° | 10° | 63 mm |
| LuxembourgLuxembourg | 3 km W | 20° | 10° | 63 mm |
| BelairLuxembourg | 4 km W | 20° | 10° | 63 mm |
| DudelangeEsch-sur-Alzette | 15 km SSW | 20° | 10° | 64 mm |
| Esch-sur-AlzetteEsch-sur-Alzette | 18 km SW | 19° | 10° | 66 mm |
| AubangeWallonia | 27 km W | 20° | 10° | 66 mm |
| ArlonWallonia | 27 km WNW | 19° | 9° | 69 mm |
| ThionvilleGrand Est | 27 km S | 21° | 10° | 58 mm |