Grigny Weather in September
Grigny in September
The short of it: Grigny in September averages a high of 22 °C (71 °F) and a low of 11 °C (52 °F), with 46 mm (1.8 in) of rain and about 12 h 30 min of daylight. Rated 4 of 5 for a visit; the best months are April and June. Source: TerraClimate climate normals, 1991–2020.
Average high 22° · low 11° · rain 46 mm · daylight 12 h 30 min
✦✦✦✦ Recommended for a visit · best months: April & June
Thirty years of records give Grigny an average September high of 22°, a low of 11° and some 46 mm of rain. Highs fall 4° against August, to near 22°; nights run about 11°. Rain is modest, about 46 mm, the 9th 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 light clothes and a jacket for the evening. The Almanac rates September 4 of 5 for a visit; the finest months here are April and June.
Against its neighbours, Grigny runs cooler than most and wetter than most in September. Évry, 4 km to the SE, sees much the same highs.
September in Grigny, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 9th wettest of 12
- Versus August
- 4° colder, 4.0 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 11°
- 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 |
|---|---|---|---|---|
| ÉvryÎle-de-France | 4 km SE | 22° | 11° | 46 mm |
| AntonyÎle-de-France | 13 km NNW | 22° | 12° | 46 mm |
| Vitry-sur-SeineÎle-de-France | 15 km N | 22° | 12° | 45 mm |
| VillejuifÎle-de-France | 16 km N | 22° | 12° | 45 mm |
| CréteilÎle-de-France | 16 km NNE | 22° | 12° | 45 mm |
| Saint-Maur-des-FossésÎle-de-France | 17 km NNE | 22° | 12° | 45 mm |
| Maisons-AlfortÎle-de-France | 18 km N | 22° | 12° | 45 mm |
| Ivry-sur-SeineÎle-de-France | 18 km N | 22° | 12° | 45 mm |