Roscoff Weather in September
Roscoff in September
The short of it: Roscoff in September averages a high of 19 °C (66 °F) and a low of 13 °C (55 °F), with 61 mm (2.4 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 19° · low 13° · rain 61 mm · daylight 12 h 30 min
✦✦✦✦ Recommended for a visit · best months: August & July
September in Roscoff brings afternoons near 19° and nights around 13°, with about 61 mm of rain over the month. Much like August: highs about 19°, nights near 13°. Easy travelling weather. Wet spells are common — about 61 mm, the 8th wettest month.
The sun is up for about 12 h 30 min in mid-September, 110 minutes less than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates September 4 of 5 for a visit; the finest months here are August and July.
Against its neighbours, Roscoff runs cooler than most and drier than most in September. Saint-Pol-de-Léon, 4 km to the S, sees much the same highs.
September in Roscoff, by the numbers
- Warmth rank
- 3rd warmest of 12
- Rain rank
- 8th wettest of 12
- Versus August
- 2° colder, 2.0 mm more rain
- Versus October
- 3° warmer
- Day–night spread
- 6°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 30 min
- Average wind
- 19 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Saint-Pol-de-LéonBrittany | 4 km S | 19° | 12° | 63 mm |
| CléderBrittany | 11 km SW | 19° | 12° | 66 mm |
| PlougasnouBrittany | 15 km ESE | 19° | 12° | 63 mm |
| TauléBrittany | 15 km SSE | 19° | 12° | 68 mm |
| PlouescatBrittany | 16 km WSW | 19° | 12° | 64 mm |
| Saint-Martin-des-ChampsBrittany | 19 km SSE | 19° | 12° | 68 mm |
| MorlaixBrittany | 20 km SE | 19° | 12° | 67 mm |
| LandivisiauBrittany | 25 km SSW | 19° | 12° | 71 mm |