Smiths Falls Weather in September
Smiths Falls in September
The short of it: Smiths Falls in September averages a high of 21 °C (71 °F) and a low of 10 °C (50 °F), with 87 mm (3.4 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 87 mm · daylight 12 h 27 min
✦✦✦ Fair for a visit · best months: June & September
Thirty years of records give Smiths Falls an average September high of 21°, a low of 10° and some 87 mm of rain. Much like August: highs about 21°, nights near 10°. Easy travelling weather. Wet spells are common — about 87 mm, the 4th wettest month.
The sun is up for about 12 h 27 min in mid-September, 96 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, Smiths Falls runs warmer than most and wetter than most in September. Perth, 18 km to the W, sees much the same highs.
September in Smiths Falls, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus August
- 4° colder, 4.0 mm more rain
- Versus October
- 8° warmer
- Day–night spread
- 11°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 12 h 27 min
- Average wind
- 11 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| PerthOntario | 18 km W | 21° | 10° | 88 mm |
| Carleton PlaceOntario | 27 km NNW | 21° | 10° | 83 mm |
| AlmonteOntario | 39 km NNW | 21° | 10° | 79 mm |
| Mississippi MillsOntario | 39 km NNW | 21° | 10° | 79 mm |
| StittsvilleOntario | 39 km NNE | 22° | 10° | 84 mm |
| BrockvilleOntario | 44 km SE | 22° | 11° | 85 mm |
| BridlewoodOntario | 44 km NNE | 22° | 10° | 83 mm |
| Glen CairnOntario | 45 km NNE | 22° | 10° | 84 mm |