Skip to content
Voykit

When to go · Cairns

Cairns in September

Great month. Inside Cairns's best window: Jun–Oct (dry season, lower humidity).

Key facts

Verdict
Great
Temperature
29°C (84°F) / 19°C (66°F)
average high / low
Rain days
5
Crowds
Medium
Australia overall
Prices
Medium
Australia overall

Verdict

GreatBest and avoid months for Cairns

Inside Cairns's best window: Jun–Oct (dry season, lower humidity).

Is another month better than September?

No other month rates higher than September for Cairns in this guide.

Weather in September

Long-term averages
  • CairnsHighs around 29 °C (84 °F), lows around 19 °C (66 °F), rain on about 5 days
  • Tropical north, Australia · Cairns, Port Douglas, Darwin, Kakadu, Kimberleybest weather

    Dry season May–Oct is the window: roads open, no stingers in most of it, waterfalls still flowing early on. Nov–Apr brings humidity, monsoon floods, cyclones and box jellyfish.

Crowds and prices

Crowds · Australia overall
Medium
Prices · Australia overall
Medium

Australia overall: Spring in the south, still dry in the north; one of the best months to combine both.

Compare two months

Weather, crowds and prices for any two months in Cairns, side by side.

  • Verdict

    Sep: Great

    Jun: Great

  • Daytime high

    Sep: 29 °C (84 °F)

    Jun: 27 °C (81 °F)

  • Night low

    Sep: 19 °C (66 °F)

    Jun: 19 °C (66 °F)

  • Rain days

    Sep: 5 (better)

    Jun: 7

  • Crowds

    Sep: Medium

    Jun: Medium

  • Prices

    Sep: Medium

    Jun: Medium

  • Festivals listed

    Sep: 0

    Jun: 0

September: Inside Cairns's best window: Jun–Oct (dry season, lower humidity).

June: Inside Cairns's best window: Jun–Oct (dry season, lower humidity).

Cairns: figures are long-term averages from this guide, not a forecast.

What to pack

Nothing unusual for the weather this month.

Build the full packing list for your trip →

Across Australia in September →