When to go · September

Australia in September

Excellent time to go

Wildflowers in WA

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Daytime high

20°C

68°F

Overnight low

12°C

54°F

Rainfall

65 mm

moderate

Crowd levels

medium

manageable

Prices

medium

shoulder

What to expect in Australia in September

September brings mild weather to Australia, with daytime highs around 20°C (68°F) and overnight lows near 12°C (54°F). Skies are typically dry with occasional showers, with about 65 mm of rainfall on average. Wildflowers in WA.

Crowds are manageable in September — busy in popular areas but not overwhelming. Prices sit in the shoulder-season range — not the cheapest, but well off peak. Peak season runs December–February (summer holidays), for context.

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