Grenville Weather in September
Grenville in September
The short of it: Grenville in September averages a high of 31 °C (88 °F) and a low of 25 °C (76 °F), with 195 mm (7.7 in) of rain and about 12 h 11 min of daylight. Rated 2 of 5 for a visit; the best months are February and January. Source: TerraClimate climate normals, 1991–2020.
Average high 31° · low 25° · rain 195 mm · daylight 12 h 11 min
✦✦ Travel with care for a visit · best months: February & January
Thirty years of records give Grenville an average September high of 31°, a low of 25° and some 195 mm of rain. The height of summer in Grenville, with afternoons near 31°. Wet spells are common — about 195 mm, the 5th wettest month.
The sun is up for about 12 h 11 min in mid-September, 21 minutes less than a month before.
For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates September 2 of 5 for a visit; the finest months here are February and January.
Against its neighbours, Grenville runs cooler than most and drier than most in September. Tivoli, 6 km to the N, is 1° warmer by day.
September in Grenville, by the numbers
- Warmth rank
- 1st warmest of 12
- Rain rank
- 5th wettest of 12
- Versus August
- about the same, 32 mm less rain
- Versus October
- about the same
- Day–night spread
- 7°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 11 min
- Average wind
- 12 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| TivoliSaint Andrew Parish | 6 km N | 32° | 25° | 198 mm |
| Upper La TasteSaint Patrick Parish | 8 km N | 32° | 25° | 198 mm |
| Saint David’sSaint David Parish | 9 km SSW | 30° | 23° | 187 mm |
| SauteursSaint Patrick Parish | 11 km N | 31° | 25° | 204 mm |
| VictoriaSaint Mark Parish | 12 km NW | 30° | 24° | 204 mm |
| GouyaveSaint John Parish | 12 km WNW | 31° | 24° | 205 mm |
| Grand RoySaint John Parish | 13 km W | 31° | 24° | 205 mm |
| Saint George'sSaint George Parish | 16 km WSW | 32° | 25° | 196 mm |