Guichen Weather in September
Guichen in September
The short of it: Guichen in September averages a high of 21 °C (70 °F) and a low of 11 °C (52 °F), with 54 mm (2.1 in) of rain and about 12 h 30 min of daylight. Rated 4 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 21° · low 11° · rain 54 mm · daylight 12 h 30 min
✦✦✦✦ Recommended for a visit · best months: July & August
Thirty years of records give Guichen an average September high of 21°, a low of 11° and some 54 mm of rain. Much like August: highs about 21°, nights near 11°. Easy travelling weather. Rain is modest, about 54 mm, the 10th wettest month.
The sun is up for about 12 h 30 min in mid-September, 107 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 July and August.
Against its neighbours, Guichen runs cooler than most and wetter than most in September. Bruz, 7 km to the NNE, sees much the same highs.
September in Guichen, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 10th wettest of 12
- Versus August
- 3° colder, 1.0 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 10°
- 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 |
|---|---|---|---|---|
| BruzBrittany | 7 km NNE | 22° | 11° | 51 mm |
| Chartres-de-BretagneBrittany | 10 km NE | 22° | 11° | 51 mm |
| Châtillon-sur-SeicheBrittany | 12 km NE | 22° | 11° | 51 mm |
| Saint-Jacques-de-la-LandeBrittany | 12 km NNE | 22° | 11° | 52 mm |
| MordellesBrittany | 12 km NNW | 22° | 11° | 52 mm |
| Le RheuBrittany | 15 km N | 22° | 11° | 52 mm |
| Bain-de-BretagneBrittany | 16 km SSE | 22° | 11° | 54 mm |
| Vern-sur-SeicheBrittany | 17 km ENE | 22° | 11° | 50 mm |