Keswick Weather in September
Keswick in September
The short of it: Keswick in September averages a high of 21 °C (70 °F) and a low of 12 °C (53 °F), with 82 mm (3.2 in) of rain and about 12 h 27 min of daylight. Rated 3 of 5 for a visit; the best months are June and August. Source: TerraClimate climate normals, 1991–2020.
Average high 21° · low 12° · rain 82 mm · daylight 12 h 27 min
✦✦✦ Fair for a visit · best months: June & August
Thirty years of records give Keswick an average September high of 21°, a low of 12° and some 82 mm of rain. Much like August: highs about 21°, nights near 12°. Easy travelling weather. Wet spells are common — about 82 mm, the 3rd wettest month.
The sun is up for about 12 h 27 min in mid-September, 94 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 August.
Against its neighbours, Keswick runs cooler than most and about as wet in September. Innisfil, 16 km to the WNW, is 1° warmer by day.
September in Keswick, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 3rd wettest of 12
- Versus August
- 4° colder, 4.0 mm more rain
- Versus October
- 7° warmer
- Day–night spread
- 10°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 12 h 27 min
- Average wind
- 12 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| InnisfilOntario | 16 km WNW | 22° | 11° | 84 mm |
| NewmarketOntario | 22 km S | 21° | 11° | 77 mm |
| BarrieOntario | 23 km NW | 22° | 11° | 88 mm |
| AuroraOntario | 28 km S | 21° | 11° | 76 mm |
| Whitchurch-StouffvilleOntario | 30 km SSE | 20° | 11° | 82 mm |
| StouffvilleOntario | 36 km SSE | 21° | 11° | 82 mm |
| OrilliaOntario | 40 km N | 21° | 10° | 90 mm |
| Richmond HillOntario | 42 km S | 22° | 12° | 76 mm |