Oshawa Weather in September
Oshawa in September
The short of it: Oshawa in September averages a high of 22 °C (71 °F) and a low of 12 °C (53 °F), with 82 mm (3.2 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 82 mm · daylight 12 h 26 min
✦✦✦ Fair for a visit · best months: June & September
Thirty years of records give Oshawa an average September high of 22°, a low of 12° and some 82 mm of rain. Much like August: highs about 22°, 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 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, Oshawa runs warmer than most and wetter than most in September. Whitby, 7 km to the WSW, sees much the same highs.
September in Oshawa, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 3rd wettest of 12
- Versus August
- 4° colder, 3.0 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