Australia (Cairns) · September
Best travel monthTravel seasonAustralia · Oceania
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, ↑ warmestØ day↑ warmest | 32° (90°)34° (93°) | 32° (90°)34° (93°) | 31° (88°)33° (91°) | 30° (86°)32° (90°) | 28° (82°)30° (86°) | 27° (81°)29° (84°) | 26° (79°)28° (82°) | 27° (81°)29° (84°) | 29° (84°)31° (88°) | 30° (86°)32° (90°) | 31° (88°)33° (91°) | 32° (90°)34° (93°) |
Ø night, ↓ coldestØ night↓ coldest | 25° (77°)21° (70°) | 25° (77°)22° (72°) | 24° (75°)20° (68°) | 23° (73°)19° (66°) | 21° (70°)16° (61°) | 19° (66°)14° (57°) | 18° (64°)12° (54°) | 18° (64°)12° (54°) | 20° (68°)14° (57°) | 22° (72°)17° (63°) | 23° (73°)19° (66°) | 24° (75°)21° (70°) |
☀️Sunshine | 7h UV 8 | 6h UV 8 | 7h UV 8 | 7h UV 8 | 7h UV 7 | 7h UV 7 | 7h UV 7 | 8h UV 8 | 8h UV 9 | 9h UV 9 | 9h UV 9 | 8h UV 8 |
🌊Water Temp | 30° (86°) | 30° (86°) | 29° (84°) | 27° (81°) | 26° (79°) | 24° (75°) | 23° (73°) | 23° (73°) | 25° (77°) | 27° (81°) | 28° (82°) | 29° (84°) |
🌧Rain Days | 16d399mm (15.7") | 13d340mm (13.4") | 14d375mm (14.8") | 11d181mm (7.1") | 8d76mm (3.0") | 4d39mm (1.5") | 4d40mm (1.6") | 3d22mm (0.9") | 3d24mm (0.9") | 5d64mm (2.5") | 6d65mm (2.5") | 9d200mm (7.9") |
Best travel time current monthØ = average · ↑ warmest day · ↓ coldest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
September is among the best months in Australia (Cairns): only 3 rain days, 29°C (84°F) highs, and good sunshine make for ideal holiday conditions.
Daytime highs average 29°C (84°F), cooling to 20°C (68°F) at night (daily average: 24°C (75°F)). Peaks reach around 31°C (88°F), the coldest nights around 14°C (57°F). The sun shines an average of 8 hours per day; there are 3 rain days with 24 mm (0.9 in) total. Sea temperature is 25°C (77°F) — pleasantly warm for long swim sessions.
Pack light summer clothing, sunscreen, and swimwear — beach and water conditions in September are ideal.
Packing list for Australia (Cairns) in September
- Light summer clothes
- Thin cardigan for cool evenings
- Swimwear and beach towel
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Small umbrella (occasional showers possible)
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Australia (Cairns)?
- Yes — September is one of the best months to visit Australia (Cairns) (Climate Score: 89/100). Pleasant temperatures (29°C (84°F)), good sunshine (8 h/day), and few rain days (3) make it one of the most recommended months.
- How warm is it in Australia (Cairns) in September?
- In September, Australia (Cairns) sees daily highs of 29°C (84°F). Nights cool to 20°C (68°F), with a daily average of 24°C (75°F). Peaks reach around 31°C (88°F), the coldest nights around 14°C (57°F).
- How much rain falls in Australia (Cairns) in September?
- In September, Australia (Cairns) receives an average of 24 mm (0.9 in) of rain over 3 rain days. That is comparatively dry.
- How many sunshine hours does Australia (Cairns) get in September?
- Australia (Cairns) averages 8 sunshine hours per day in September — above the annual average.
- How warm is the water in Australia (Cairns) in September?
- Water temperature in Australia (Cairns) in September averages 25°C (77°F) — pleasantly warm for swim sessions.
