Perth Weather in September
Perth in September
The short of it: Perth in September averages a high of 20 °C (69 °F) and a low of 11 °C (51 °F), with 77 mm (3.0 in) of rain and about 11 h 57 min of daylight. Rated 3 of 5 for a visit; the best months are April and November. Source: TerraClimate climate normals, 1991–2020.
Average high 20° · low 11° · rain 77 mm · daylight 11 h 57 min
✦✦✦ Fair for a visit · best months: April & November
September in Perth brings afternoons near 20° and nights around 11°, with about 77 mm of rain over the month. Much like August: highs about 20°, nights near 11°. Easy travelling weather. Wet spells are common — about 77 mm, the 5th wettest month.
The sun is up for about 11 h 57 min in mid-September, 59 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 April and November.
Against its neighbours, Perth runs warmer than most and wetter than most in September. Perth city centre, 1 km to the W, sees much the same highs.
September in Perth, by the numbers
- Warmth rank
- 9th warmest of 12
- Rain rank
- 5th wettest of 12
- Versus August
- 1° warmer, 35 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 |
|---|---|---|---|---|
| Perth city centreWestern Australia | 1 km W | 20° | 11° | 77 mm |
| East PerthWestern Australia | 1 km SE | 20° | 11° | 74 mm |
| Mount LawleyWestern Australia | 2 km NNE | 20° | 11° | 77 mm |
| SubiacoWestern Australia | 3 km W | 20° | 11° | 74 mm |
| South PerthWestern Australia | 3 km S | 20° | 11° | 74 mm |
| MaylandsWestern Australia | 4 km NE | 21° | 11° | 76 mm |
| ComoWestern Australia | 4 km S | 20° | 11° | 74 mm |
| WembleyWestern Australia | 5 km WNW | 20° | 11° | 74 mm |