Carnac Weather in September
Carnac in September
The short of it: Carnac in September averages a high of 20 °C (69 °F) and a low of 13 °C (55 °F), with 60 mm (2.4 in) of rain and about 12 h 29 min of daylight. Rated 4 of 5 for a visit; the best months are July and June. Source: TerraClimate climate normals, 1991–2020.
Average high 20° · low 13° · rain 60 mm · daylight 12 h 29 min
✦✦✦✦ Recommended for a visit · best months: July & June
Thirty years of records give Carnac an average September high of 20°, a low of 13° and some 60 mm of rain. Much like August: highs about 20°, nights near 13°. Easy travelling weather. Wet spells are common — about 60 mm, the 8th wettest month.
The sun is up for about 12 h 29 min in mid-September, 106 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 4 of 5 for a visit; the finest months here are July and June.
Against its neighbours, Carnac runs cooler than most and wetter than most in September. Auray, 12 km to the NE, sees much the same highs.
September in Carnac, by the numbers
- Warmth rank
- 3rd warmest of 12
- Rain rank
- 8th wettest of 12
- Versus August
- 2° colder, 1.0 mm more rain
- Versus October
- 3° warmer
- Day–night spread
- 7°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 29 min
- Average wind
- 16 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| AurayBrittany | 12 km NE | 21° | 13° | 60 mm |
| QuiberonBrittany | 12 km SSW | 20° | 14° | 57 mm |
| BrechBrittany | 16 km NNE | 21° | 13° | 60 mm |
| ArradonBrittany | 20 km ENE | 21° | 13° | 60 mm |
| PluvignerBrittany | 22 km NNE | 20° | 12° | 62 mm |
| RiantecBrittany | 22 km NW | 21° | 13° | 61 mm |
| KervignacBrittany | 23 km NNW | 21° | 12° | 61 mm |
| SarzeauBrittany | 24 km ESE | 20° | 14° | 58 mm |