Cairns
Australia · Oceania
Year-round range: 66°F to 86°F
September
Excellent conditions this month
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
September is warm and sunny — good beach and outdoor weather.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = SepRainfall
Monthly rain and rain days.
September has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
September is one of the sunniest months — great for outdoor plans.
Clear sky
Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.
Air comfort by month
Humidity and heat feel by month.
September is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for September.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In September, afternoons reach about 78° and nights settle near 70°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity | Sea °F |
|---|---|---|---|---|---|---|---|
| Jan | 86°F | 77°F | 23 | 15in | 4.7h | 83.28571428571428% | 84°F |
| Feb | 85°F | 77°F | 22 | 15in | 4.6h | 84.14285714285714% | 85°F |
| Mar | 84°F | 76°F | 22 | 14in | 5.2h | 83.28571428571428% | 83°F |
| Apr | 82°F | 74°F | 18 | 8.1in | 6.4h | 80.57142857142857% | 81°F |
| May | 79°F | 71°F | 14 | 3.7in | 6.5h | 79.42857142857142% | 78°F |
| Jun | 76°F | 68°F | 11 | 2.2in | 6.6h | 78.57142857142856% | 75°F |
| Jul | 75°F | 66°F | 9 | 2.0in | 7.2h | 77.57142857142857% | 73°F |
| Aug | 76°F | 66°F | 6 | 1.3in | 7.6h | 75.57142857142856% | 74°F |
| Sep | 79°F | 69°F | 5 | 1.2in | 8.3h | 74.57142857142857% | 76°F |
| Oct | 83°F | 72°F | 7 | 2.2in | 8.6h | 76.42857142857142% | 79°F |
| Nov | 85°F | 75°F | 11 | 3.3in | 7.9h | 77.28571428571428% | 81°F |
| Dec | 86°F | 76°F | 16 | 8.3in | 6.3h | 81.28571428571429% | 83°F |