Perth · Month comparison

September vs October

October ranks #1 overall vs September at #3. Best wildflower month — 24°C, dry, world's most diverse spring bloom on full display.

Kings Park Wildflower Festival displays in Perth September bloom

September

#3 of 12 months

Best match

Spring begins — wildflowers carpet the coastal scrub, Kings Park in full bloom.

  • ↑Kings Park Wildflower Festival — million-flower Banksia and kangaroo paw displays
  • ↑Coalseam, Mullewa and Mid-West wildflower drives at peak
Western Australia wildflower carpet in October spring peak

October

#1 of 12 months

Best match

Best wildflower month — 24°C, dry, world's most diverse spring bloom on full display.

  • ↑Peak wildflower month — WA is the world's most biodiverse wildflower region
  • ↑24°C, light winds, sea climbing back to 19°C
FactorSeptemberOctober
Weather score
8
10
Value score
8
7
Crowd score
8
7
Events score
8
9
Atmosphere
9
10
Avg high temp21°C24°C
Monthly rain80mm45mm
Daily sunshine8hrs9hrs

September trade-offs

  • ↓80mm rain still — winter not entirely gone
  • ↓Wildflower tour buses fill rural roads on weekends

October trade-offs

  • ↓Wildflower tours book ahead — best routes (Coalseam, Mt Lesueur) fill weekends
  • ↓Bushfire-prep season starts — total fire bans on hot windy days
See all 12 months for Perth →September in detail →October in detail →
Scores compare months within Perth. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →