Clarkson Weather in September
Clarkson in September
The short of it: Clarkson in September averages a high of 20 °C (68 °F) and a low of 11 °C (51 °F), with 71 mm (2.8 in) of rain and about 11 h 57 min of daylight. Rated 3 of 5 for a visit; the best months are October and April. Source: TerraClimate climate normals, 1991–2020.
Average high 20° · low 11° · rain 71 mm · daylight 11 h 57 min
✦✦✦ Fair for a visit · best months: October & April
Thirty years of records give Clarkson an average September high of 20°, a low of 11° and some 71 mm of rain. Much like August: highs about 20°, nights near 11°. Easy travelling weather. Wet spells are common — about 71 mm, the 5th wettest month.
The sun is up for about 11 h 57 min in mid-September, 58 minutes more 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 October and April.
Against its neighbours, Clarkson runs cooler than most and drier than most in September. Butler, 5 km to the NNW, sees much the same highs.
September in Clarkson, by the numbers
- Warmth rank
- 9th warmest of 12
- Rain rank
- 5th wettest of 12
- Versus August
- 1° warmer, 39 mm less rain
- Versus October
- 3° colder
- Day–night spread
- 10°
- Snow season
- seldom any
- Daylight, mid-month
- 11 h 57 min
- Average wind
- 17 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| ButlerWestern Australia | 5 km NNW | 20° | 11° | 69 mm |
| Banksia GroveWestern Australia | 8 km E | 20° | 10° | 75 mm |
| TappingWestern Australia | 8 km ESE | 20° | 10° | 75 mm |
| JoondalupWestern Australia | 8 km SSE | 20° | 11° | 72 mm |
| WannerooWestern Australia | 10 km SE | 20° | 10° | 75 mm |
| WoodvaleWestern Australia | 14 km SSE | 20° | 10° | 75 mm |
| HillarysWestern Australia | 14 km S | 20° | 11° | 68 mm |
| KingsleyWestern Australia | 16 km SSE | 21° | 11° | 74 mm |