Ilmenau Weather in September
Ilmenau in September
The short of it: Ilmenau in September averages a high of 17 °C (63 °F) and a low of 8 °C (47 °F), with 70 mm (2.8 in) of rain and about 12 h 32 min of daylight. Rated 4 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.
Average high 17° · low 8° · rain 70 mm · daylight 12 h 32 min
✦✦✦✦ Recommended for a visit · best months: June & September
Thirty years of records give Ilmenau an average September high of 17°, a low of 8° and some 70 mm of rain. Highs fall 5° against August, to near 17°; nights run about 8°. Wet spells are common — about 70 mm, the 7th 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 4 of 5 for a visit; the finest months here are June and September.
Against its neighbours, Ilmenau runs cooler than most and drier than most in September. Arnstadt, 18 km to the N, is 2° warmer by day.
September in Ilmenau, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 7th wettest of 12
- Versus August
- 5° colder, 7.0 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 9°
- Snow season
- Nov–Mar
- Daylight, mid-month
- 12 h 32 min
- Average wind
- 12 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| ArnstadtThuringia | 18 km N | 19° | 9° | 48 mm |
| SuhlThuringia | 18 km WSW | 17° | 8° | 72 mm |
| Zella-MehlisThuringia | 18 km W | 17° | 8° | 82 mm |
| Steinbach-HallenbergThuringia | 25 km W | 17° | 8° | 73 mm |
| RudolstadtThuringia | 30 km E | 19° | 9° | 57 mm |
| HildburghausenThuringia | 32 km SSW | 18° | 8° | 64 mm |
| SaalfeldThuringia | 32 km E | 19° | 9° | 57 mm |
| GothaThuringia | 33 km NNW | 19° | 9° | 57 mm |