Osoyoos Weather in September
Osoyoos in September
The short of it: Osoyoos in September averages a high of 24 °C (76 °F) and a low of 9 °C (48 °F), with 14 mm (0.55 in) of rain and about 12 h 31 min of daylight. Rated 5 of 5 for a visit; the best months are May and September. Source: TerraClimate climate normals, 1991–2020.
Average high 24° · low 9° · rain 14 mm · daylight 12 h 31 min
✦✦✦✦✦ Recommended for a visit · best months: May & September
September in Osoyoos brings afternoons near 24° and nights around 9°, with about 14 mm of rain over the month. Highs fall 6° against August, to near 24°; nights run about 9°. Rain is scarce, about 14 mm, the 11th wettest month.
The sun is up for about 12 h 31 min in mid-September, 112 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 May and September.
Against its neighbours, Osoyoos runs warmer than most and drier than most in September. Oroville, 11 km to the S, is 1° warmer by day.
September in Osoyoos, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 11th wettest of 12
- Versus August
- 6° colder, 2.0 mm more rain
- Versus October
- 8° warmer
- Day–night spread
- 15°
- Snow season
- Dec–Feb
- Daylight, mid-month
- 12 h 31 min
- Average wind
- 8 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| OrovilleWashington | 11 km S | 25° | 9° | 13 mm |
| OliverBritish Columbia | 18 km NNW | 24° | 8° | 16 mm |
| CawstonBritish Columbia | 28 km NW | 23° | 8° | 16 mm |
| KeremeosBritish Columbia | 33 km WNW | 20° | 5° | 23 mm |
| Okanagan FallsBritish Columbia | 36 km NNW | 23° | 9° | 18 mm |
| TonasketWashington | 36 km S | 25° | 8° | 12 mm |
| KaledenBritish Columbia | 42 km NNW | 23° | 8° | 19 mm |
| MidwayBritish Columbia | 50 km E | 23° | 5° | 22 mm |