Ermont Weather in September
Ermont in September
The short of it: Ermont in September averages a high of 22 °C (71 °F) and a low of 12 °C (53 °F), with 42 mm (1.7 in) of rain and about 12 h 31 min of daylight. Rated 5 of 5 for a visit; the best months are September and June. Source: TerraClimate climate normals, 1991–2020.
Average high 22° · low 12° · rain 42 mm · daylight 12 h 31 min
✦✦✦✦✦ Recommended for a visit · best months: September & June
September in Ermont brings afternoons near 22° and nights around 12°, with about 42 mm of rain over the month. The year turns hard here: highs drop 4° from August to about 22°, with nights near 12°. It is the driest month of the year, only 42 mm of rain.
The sun is up for about 12 h 31 min in mid-September, 111 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening. The Almanac rates September 5 of 5 for a visit; it is the best month of the year to come.
Against its neighbours, Ermont runs cooler than most and drier than most in September. Argenteuil, 5 km to the S, sees much the same highs.
September in Ermont, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 12th wettest of 12
- Versus August
- 4° colder, 9.0 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 10°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 31 min
- Average wind
- 12 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| ArgenteuilÎle-de-France | 5 km S | 22° | 12° | 43 mm |
| SartrouvilleÎle-de-France | 7 km SW | 22° | 12° | 43 mm |
| ColombesÎle-de-France | 8 km S | 22° | 12° | 43 mm |
| Asnières-sur-SeineÎle-de-France | 8 km SSE | 22° | 12° | 43 mm |
| SarcellesÎle-de-France | 9 km E | 22° | 11° | 43 mm |
| Saint-DenisÎle-de-France | 9 km SE | 22° | 12° | 43 mm |
| CourbevoieÎle-de-France | 10 km S | 22° | 12° | 43 mm |
| ClichyÎle-de-France | 11 km SSE | 22° | 12° | 44 mm |