Yffiniac Weather in September
Yffiniac in September
The short of it: Yffiniac in September averages a high of 20 °C (69 °F) and a low of 12 °C (54 °F), with 58 mm (2.3 in) of rain and about 12 h 30 min of daylight. Rated 4 of 5 for a visit; the best months are August and July. Source: TerraClimate climate normals, 1991–2020.
Average high 20° · low 12° · rain 58 mm · daylight 12 h 30 min
✦✦✦✦ Recommended for a visit · best months: August & July
Thirty years of records give Yffiniac an average September high of 20°, a low of 12° and some 58 mm of rain. Much like August: highs about 20°, nights near 12°. Easy travelling weather. Rain is modest, about 58 mm, the 8th wettest month.
The sun is up for about 12 h 30 min in mid-September, 109 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 August and July.
Against its neighbours, Yffiniac runs warmer than most and drier than most in September. Langueux, 3 km to the WNW, sees much the same highs.
September in Yffiniac, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 8th wettest of 12
- Versus August
- 2° colder, 5.0 mm more rain
- Versus October
- 4° warmer
- Day–night spread
- 8°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 30 min
- Average wind
- 17 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| LangueuxBrittany | 3 km WNW | 20° | 12° | 61 mm |
| PlédranBrittany | 7 km SW | 20° | 11° | 61 mm |
| Saint-BrieucBrittany | 7 km WNW | 20° | 12° | 60 mm |
| PloufraganBrittany | 9 km W | 20° | 11° | 63 mm |
| PlérinBrittany | 9 km NW | 20° | 12° | 60 mm |
| LamballeBrittany | 12 km E | 20° | 12° | 60 mm |
| PordicBrittany | 14 km NW | 20° | 12° | 62 mm |
| PlouhaBrittany | 28 km NW | 19° | 12° | 62 mm |