Cairns · AutumnMonth summary
Cairns weather in September
✅ Good
🌡️ Temperature min / max
68°F – 81°F
🌧 Rainy days
31% of days
☀️ Sunshine
11.5h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
8.4/10
📅 📅 Best month
October (8.5/10)
Quick decision
Should you visit Cairns in September?
✅ Good
✅ Yes if: you want good weather with lower prices than peak season.
❌ No if: you need guaranteed perfect weather — some mixed days are possible.
Our take: Cairns in September: 81°F and 11.5h of sunshine. Decent, but not the peak.
By trip type
Cairns in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
Autumn in Cairns is often underrated: 27°F, golden light and declining crowds. An interesting window. Expect rain on 31% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if October (8.5/10) remains theoretically better.
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All months for Cairns
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 75°F | 86°F | 75% | 0.6in | 11.4h | 7.1/10 |
| ⛅ February | 75°F | 86°F | 70% | 0.4in | 11.3h | 7.1/10 |
| ⛅ March | 75°F | 86°F | 68% | 0.5in | 10.8h | 7.1/10 |
| 🌤️ April | 73°F | 82°F | 51% | 0.2in | 11.1h | 7.7/10 |
| 🌤️ May | 70°F | 79°F | 40% | 0.1in | 10.8h | 7.9/10 |
| 🌤️ June | 66°F | 77°F | 30% | 0.1in | 10.8h | 8.1/10 |
| 🌤️ July | 66°F | 75°F | 26% | 0.1in | 10.9h | 8.1/10 |
| ☀️ August | 64°F | 77°F | 23% | 0.0in | 11.0h | 8.3/10 |
| 🌤️ September | 68°F | 81°F | 31% | 0.1in | 11.5h | 8.4/10 |
| 🌤️ October | 72°F | 84°F | 28% | 0.1in | 12.0h | 8.5/10 |
| 🌤️ November | 73°F | 86°F | 40% | 0.1in | 12.0h | 7.9/10 |
| 🌤️ December | 75°F | 88°F | 54% | 0.4in | 12.2h | 7.3/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Cairns averages 81°F, 31% rainy days and 11.5h of sunshine per day. Overall weather score: 8.4/10.
See methodology →
Comparison
September vs October (best month)
The best month is October (score 8.5/10). Difference:
- 🌡️ Max temperature : +2°F
- 🌧 Rainy days : -3%
- ☀️ Sunshine : +0.5h/day
FAQ
FAQ — Cairns in September
Is September a good time to visit Cairns?
September is an excellent time to visit Cairns (score 8.4/10). With 81°F, 11.5h of sunshine and 31% rain, conditions are very favourable.
What to do in Cairns in September?
With 81°F and 11.5h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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Activities & tours
Activities and tours in Cairns
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