Duncan Weather in September
Duncan in September
The short of it: Duncan in September averages a high of 21 °C (70 °F) and a low of 9 °C (49 °F), with 36 mm (1.4 in) of rain and about 12 h 30 min of daylight. Rated 5 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 21° · low 9° · rain 36 mm · daylight 12 h 30 min
✦✦✦✦✦ Recommended for a visit · best months: July & August
Thirty years of records give Duncan an average September high of 21°, a low of 9° and some 36 mm of rain. Much like August: highs about 21°, nights near 9°. Easy travelling weather. Rain is modest, about 36 mm, the 9th wettest month.
The sun is up for about 12 h 30 min in mid-September, 111 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening. The Almanac rates September 5 of 5 for a visit; the finest months here are July and August.
Against its neighbours, Duncan runs warmer than most and wetter than most in September. North Cowichan, 7 km to the N, is 1° cooler by day.
September in Duncan, by the numbers
- Warmth rank
- 3rd warmest of 12
- Rain rank
- 9th wettest of 12
- Versus August
- 3° colder, 8.0 mm more rain
- Versus October
- 7° warmer
- Day–night spread
- 12°
- Snow season
- Dec–Jan
- Daylight, mid-month
- 12 h 30 min
- Average wind
- 9 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| North CowichanBritish Columbia | 7 km N | 20° | 9° | 36 mm |
| SaanichBritish Columbia | 36 km SE | 19° | 11° | 29 mm |
| LangfordBritish Columbia | 40 km SSE | 20° | 10° | 36 mm |
| NanaimoBritish Columbia | 46 km NNW | 20° | 10° | 42 mm |
| VictoriaBritish Columbia | 46 km SE | 20° | 11° | 28 mm |
| Victoria-DowntownBritish Columbia | 47 km SSE | 20° | 11° | 28 mm |
| TsawwassenBritish Columbia | 52 km ENE | 19° | 11° | 45 mm |
| StevestonBritish Columbia | 54 km NE | 20° | 12° | 53 mm |