Weather: Cairns — September
The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.
🌟 Climate Overview
September is an excellent time to visit Cairns. Warm weather with highs of 26°C—great for outdoor activities. As peak season, expect higher prices and more tourists. Sea temperature of 25°C is perfect for swimming.
Based on weather comfort, crowds, prices, and activity options
26°C
21°C
9days
12h
Feels like 29°C / 23°C — humidity makes it feel warmer
32mm
10.6h/day
80%
Very Humid7.9
Very High17 km/h (gusts 43)
25°C 🏊 Comfortable
Is September a good time to visit Cairns?
The weather is near-perfect with ideal temperatures and minimal rain.
Now
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Air Quality
Travel Context
- CrowdsVery Busy
- Travel Costs Peak Rates
Daylight
06:14
18:13
Visiting Cairns in September: Pros & Cons
Pros
- Comfortable temperatures for sightseeing
- Abundant sunshine for beach and outdoor fun
- Warm sea perfect for swimming and snorkeling
- One of the best months to visit
Cons
- Peak season — expect crowds and higher prices
Things to Do in September
Events & Festivals
Recommended for This Weather
Cairns Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 31°C | 26°C | 24d (449mm) | 9h | 85% Very Muggy | 7.6 Very High | | Wet |
| Feb | 31°C | 26°C | 22d (400mm) | 8.7h | 86% Very Muggy | 7.2 Very High | | Wet |
| Mar | 30°C | 25°C | 20d (242mm) | 9.3h | 85% Very Muggy | 7.4 Very High | | Wet |
| Apr | 29°C | 24°C | 16d (190mm) | 9.6h | 84% Very Muggy | 6.7 High | | Excellent |
| May | 26°C | 22°C | 12d (65mm) | 9.7h | 83% Very Humid | 6 High | | Excellent |
| Jun | 25°C | 21°C | 8d (31mm) | 9.4h | 82% Very Humid | 5.4 High | | Excellent |
| Jul | 25°C | 20°C | 7d (41mm) | 9.6h | 81% Very Humid | 5.7 High | | Excellent |
| Aug | 25°C | 20°C | 8d (38mm) | 9.9h | 79% Humid | 6.8 High | | Excellent |
| Sep Current | 26°C | 21°C | 9d (32mm) | 10.6h | 80% Very Humid | 7.9 Very High | | Excellent |
| Oct | 29°C | 23°C | 6d (20mm) | 11.6h | 79% Muggy | 9.6 Very High | | Excellent |
| Nov | 30°C | 24°C | 9d (56mm) | 11.7h | 79% Muggy | 9.7 Very High | | Good |
| Dec | 30°C | 25°C | 17d (360mm) | 10.2h | 83% Very Muggy | 8.5 Very High | | Wet |
Cairns
Great Barrier Reef gateway, including rainforest, Great Barrier Reef diving and Daintree Rainforest, diving, and tropical islands.
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What to Pack for September
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. Pack a compact umbrella or light rain jacket for occasional showers. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
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Frequently Asked Questions
Is September a good time to visit Cairns?
Does it get cold at night in Cairns in September?
What should I pack for Cairns in September?
Does it rain a lot in Cairns in September?
Can you swim in Cairns in September?
How many hours of daylight are there in Cairns in September?
Is September peak season in Cairns?
More Cairns Guides
Best Time to Visit
Coming soon
Things to Do
Coming soon
Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
Coming soon
Overview
Complete travel guide for Cairns: top things to do, itineraries, and typical costs.