Rennes Weather in September
Rennes in September
The short of it: Rennes in September averages a high of 22 °C (71 °F) and a low of 11 °C (52 °F), with 52 mm (2.0 in) of rain and about 12 h 30 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 22° · low 11° · rain 52 mm · daylight 12 h 30 min
✦✦✦✦ Recommended for a visit · best months: June & September
September in Rennes brings afternoons near 22° and nights around 11°, with about 52 mm of rain over the month. Much like August: highs about 22°, nights near 11°. Easy travelling weather. Rain is modest, about 52 mm, the 9th wettest month.
The sun is up for about 12 h 30 min in mid-September, 108 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 June and September.
Against its neighbours, Rennes runs warmer than most and wetter than most in September. Saint-Grégoire, 5 km to the N, sees much the same highs.
September in Rennes, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 9th wettest of 12
- Versus August
- 3° colder, 2.0 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 11°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 30 min
- Average wind
- 12 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Saint-GrégoireBrittany | 5 km N | 22° | 11° | 51 mm |
| ChantepieBrittany | 5 km ESE | 22° | 11° | 50 mm |
| Cesson-SévignéBrittany | 5 km ENE | 22° | 11° | 50 mm |
| Vezin-le-CoquetBrittany | 6 km W | 22° | 11° | 52 mm |
| Saint-Jacques-de-la-LandeBrittany | 6 km SW | 22° | 11° | 52 mm |
| BettonBrittany | 8 km NNE | 21° | 11° | 51 mm |
| Chartres-de-BretagneBrittany | 8 km SSW | 22° | 11° | 51 mm |
| PacéBrittany | 9 km WNW | 21° | 11° | 52 mm |