Casselman Weather in September
Casselman in September
The short of it: Casselman in September averages a high of 22 °C (71 °F) and a low of 10 °C (49 °F), with 93 mm (3.7 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 22° · low 10° · rain 93 mm · daylight 12 h 27 min
✦✦✦ Fair for a visit · best months: June & September
Thirty years of records give Casselman an average September high of 22°, a low of 10° and some 93 mm of rain. Much like August: highs about 22°, nights near 10°. Easy travelling weather. Wet spells are common — about 93 mm, the 5th wettest month.
The sun is up for about 12 h 27 min in mid-September, 98 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, Casselman runs warmer than most and wetter than most in September. Embrun, 16 km to the WSW, sees much the same highs.
September in Casselman, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 5th wettest of 12
- Versus August
- 4° colder, 1.0 mm more rain
- Versus October
- 8° warmer
- Day–night spread
- 12°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 12 h 27 min
- Average wind
- 9 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| EmbrunOntario | 16 km WSW | 22° | 10° | 88 mm |
| RussellOntario | 23 km WSW | 22° | 10° | 87 mm |
| PlantagenetOntario | 25 km NNE | 22° | 10° | 94 mm |
| Clarence-RocklandOntario | 31 km NNW | 22° | 10° | 92 mm |
| FallingbrookOntario | 36 km WNW | 22° | 10° | 89 mm |
| OrléansOntario | 36 km WNW | 22° | 10° | 88 mm |
| Queenswood HeightsOntario | 37 km WNW | 22° | 10° | 86 mm |
| GreelyOntario | 38 km W | 21° | 10° | 83 mm |