Granby Weather in September
Granby in September
The short of it: Granby in September averages a high of 21 °C (70 °F) and a low of 10 °C (50 °F), with 88 mm (3.5 in) of rain and about 12 h 27 min of daylight. Rated 3 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.
Average high 21° · low 10° · rain 88 mm · daylight 12 h 27 min
✦✦✦ Fair for a visit · best months: June & September
September in Granby brings afternoons near 21° and nights around 10°, with about 88 mm of rain over the month. Highs fall 4° against August, to near 21°; nights run about 10°. Wet spells are common — about 88 mm, the 10th wettest month.
The sun is up for about 12 h 27 min in mid-September, 98 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 3 of 5 for a visit; the finest months here are June and September.
Against its neighbours, Granby runs cooler than most and wetter than most in September. Saint-Hyacinthe, 31 km to the NW, sees much the same highs.
September in Granby, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 10th wettest of 12
- Versus August
- 4° colder, 28 mm less rain
- Versus October
- 8° warmer
- Day–night spread
- 11°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 12 h 27 min
- Average wind
- 8 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Saint-HyacintheQuebec | 31 km NW | 22° | 10° | 75 mm |
| Mont-Saint-HilaireQuebec | 40 km WNW | 21° | 11° | 81 mm |
| BeloeilQuebec | 41 km WNW | 21° | 11° | 81 mm |
| Saint-Jean-sur-RichelieuQuebec | 43 km WSW | 22° | 11° | 82 mm |
| ChamblyQuebec | 43 km W | 22° | 11° | 81 mm |
| Saint-Bruno-de-MontarvilleQuebec | 50 km WNW | 22° | 11° | 85 mm |
| Sainte-JulieQuebec | 51 km WNW | 21° | 10° | 82 mm |
| Saint-HubertQuebec | 54 km WNW | 22° | 10° | 84 mm |