Snowdon Weather in September
Snowdon in September
The short of it: Snowdon in September averages a high of 22 °C (72 °F) and a low of 11 °C (53 °F), with 86 mm (3.4 in) of rain and about 12 h 28 min of daylight. Rated 3 of 5 for a visit; the best months are September and June. Source: TerraClimate climate normals, 1991–2020.
Average high 22° · low 11° · rain 86 mm · daylight 12 h 28 min
✦✦✦ Fair for a visit · best months: September & June
Thirty years of records give Snowdon an average September high of 22°, a low of 11° and some 86 mm of rain. Highs fall 4° against August, to near 22°; nights run about 11°. Wet spells are common — about 86 mm, the 9th wettest month.
The sun is up for about 12 h 28 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; it is the best month of the year to come.
Against its neighbours, Snowdon runs warmer than most and about as wet in September. Notre-Dame-de-Grâce, 2 km to the SE, sees much the same highs.
September in Snowdon, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 9th wettest of 12
- Versus August
- 4° colder, 12 mm less rain
- Versus October
- 8° warmer
- Day–night spread
- 11°
- Snow season
- Nov–Mar
- Daylight, mid-month
- 12 h 28 min
- Average wind
- 10 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Notre-Dame-de-GrâceQuebec | 2 km SE | 22° | 11° | 86 mm |
| Saint-LaurentQuebec | 3 km WNW | 22° | 11° | 87 mm |
| Côte-Saint-LucQuebec | 4 km SW | 22° | 11° | 86 mm |
| Le Sud-OuestQuebec | 4 km ESE | 22° | 11° | 86 mm |
| OutremontQuebec | 4 km NNE | 22° | 11° | 89 mm |
| MontréalQuebec | 4 km NE | 22° | 11° | 89 mm |
| Ville-ÉmardQuebec | 5 km SSE | 22° | 11° | 83 mm |
| Parc-ExtensionQuebec | 5 km N | 22° | 11° | 87 mm |