Deep River Weather in September
Deep River in September
The short of it: Deep River in September averages a high of 21 °C (69 °F) and a low of 9 °C (48 °F), with 89 mm (3.5 in) of rain and about 12 h 28 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 9° · rain 89 mm · daylight 12 h 28 min
✦✦✦ Fair for a visit · best months: June & August
September in Deep River brings afternoons near 21° and nights around 9°, with about 89 mm of rain over the month. The year turns hard here: highs drop 4° from August to about 21°, with nights near 9°. It is the wettest month of the year here, about 89 mm.
The sun is up for about 12 h 28 min in mid-September, 100 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, Deep River runs cooler than most and wetter than most in September. Petawawa, 28 km to the SE, is 1° warmer by day.
September in Deep River, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 1st 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 28 min
- Average wind
- 9 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| PetawawaOntario | 28 km SE | 21° | 9° | 83 mm |
| PembrokeOntario | 43 km SE | 21° | 9° | 82 mm |
| RenfrewOntario | 95 km SE | 22° | 9° | 71 mm |
| ArnpriorOntario | 116 km SE | 22° | 10° | 75 mm |
| BancroftOntario | 119 km SSW | 20° | 8° | 87 mm |
| ManiwakiQuebec | 122 km ENE | 20° | 8° | 83 mm |
| United Townships of Dysart, Dudley, Harcourt, Guilford, Harburn, Bruton, Havelock, Eyre and ClydeOntario | 123 km SW | 20° | 8° | 92 mm |
| Mississippi MillsOntario | 140 km SE | 21° | 10° | 79 mm |