Markham Weather in September
Markham in September
The short of it: Markham in September averages a high of 22 °C (71 °F) and a low of 12 °C (54 °F), with 79 mm (3.1 in) of rain and about 12 h 26 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 22° · low 12° · rain 79 mm · daylight 12 h 26 min
✦✦✦ Fair for a visit · best months: June & September
Thirty years of records give Markham an average September high of 22°, a low of 12° and some 79 mm of rain. Much like August: highs about 22°, nights near 12°. Easy travelling weather. Wet spells are common — about 79 mm, the 6th wettest month.
The sun is up for about 12 h 26 min in mid-September, 93 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, Markham runs cooler than most and wetter than most in September. Agincourt North, 7 km to the S, sees much the same highs.
September in Markham, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 6th wettest of 12
- Versus August
- 4° colder, 4.0 mm less rain
- Versus October
- 7° warmer
- Day–night spread
- 10°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 12 h 26 min
- Average wind
- 12 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Agincourt NorthOntario | 7 km S | 22° | 12° | 78 mm |
| MalvernOntario | 7 km SSE | 22° | 12° | 80 mm |
| L'AmoreauxOntario | 9 km SSW | 22° | 12° | 78 mm |
| Tam O'Shanter-SullivanOntario | 10 km SSW | 22° | 13° | 76 mm |
| RougeOntario | 11 km SE | 21° | 12° | 79 mm |
| BendaleOntario | 11 km S | 22° | 12° | 78 mm |
| StouffvilleOntario | 11 km N | 21° | 11° | 82 mm |
| PickeringOntario | 11 km ENE | 21° | 11° | 81 mm |