Mainz Weather in September
Mainz in September
The short of it: Mainz in September averages a high of 21 °C (69 °F) and a low of 11 °C (51 °F), with 47 mm (1.9 in) of rain and about 12 h 32 min of daylight. Rated 4 of 5 for a visit; the best months are April and June. Source: TerraClimate climate normals, 1991–2020.
Average high 21° · low 11° · rain 47 mm · daylight 12 h 32 min
✦✦✦✦ Recommended for a visit · best months: April & June
September in Mainz brings afternoons near 21° and nights around 11°, with about 47 mm of rain over the month. Highs fall 5° against August, to near 21°; nights run about 11°. Rain is modest, about 47 mm, the 6th wettest month.
The sun is up for about 12 h 32 min in mid-September, 116 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening. The Almanac rates September 4 of 5 for a visit; the finest months here are April and June.
Against its neighbours, Mainz runs warmer than most and drier than most in September. Biebrich, 7 km to the NNW, sees much the same highs.
September in Mainz, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 6th wettest of 12
- Versus August
- 5° colder, 1.0 mm more rain
- Versus October
- 6° warmer
- Day–night spread
- 10°
- Snow season
- Dec–Jan
- Daylight, mid-month
- 12 h 32 min
- Average wind
- 9 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| BiebrichHesse | 7 km NNW | 21° | 11° | 46 mm |
| Rüsselsheim am MainHesse | 10 km E | 21° | 11° | 47 mm |
| WiesbadenHesse | 12 km NNW | 19° | 10° | 51 mm |
| DotzheimHesse | 12 km NNW | 20° | 10° | 49 mm |
| Hofheim am TaunusHesse | 17 km NE | 20° | 10° | 52 mm |
| TaunussteinHesse | 21 km NNW | 18° | 9° | 60 mm |
| KelkheimHesse | 21 km NE | 19° | 10° | 54 mm |
| Mörfelden-WalldorfHesse | 22 km E | 20° | 10° | 51 mm |