Hamilton Weather in September
Hamilton in September
The short of it: Hamilton in September averages a high of 23 °C (73 °F) and a low of 13 °C (56 °F), with 78 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 September and June. Source: TerraClimate climate normals, 1991–2020.
Average high 23° · low 13° · rain 78 mm · daylight 12 h 26 min
✦✦✦ Fair for a visit · best months: September & June
Thirty years of records give Hamilton an average September high of 23°, a low of 13° and some 78 mm of rain. Much like August: highs about 23°, nights near 13°. Easy travelling weather. Wet spells are common — about 78 mm, the 2nd wettest month.
The sun is up for about 12 h 26 min in mid-September, 91 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, Hamilton runs warmer than most and wetter than most in September. Stoney Creek, 8 km to the ESE, sees much the same highs.
September in Hamilton, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 2nd wettest of 12
- Versus August
- 4° colder, 0.0 mm more 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 |
|---|---|---|---|---|
| Stoney CreekOntario | 8 km ESE | 23° | 13° | 78 mm |
| AncasterOntario | 12 km WSW | 22° | 12° | 80 mm |
| BurlingtonOntario | 15 km N | 22° | 12° | 75 mm |
| OakvilleOntario | 26 km NNE | 22° | 13° | 64 mm |
| MiltonOntario | 30 km N | 22° | 11° | 72 mm |
| BrantfordOntario | 36 km WSW | 23° | 12° | 77 mm |
| CambridgeOntario | 39 km WNW | 22° | 11° | 78 mm |
| MississaugaOntario | 40 km NNE | 22° | 12° | 66 mm |