Brisbane weather in September
September is one of the best months to visit Brisbane: highs of 24°C (74°F) and about 38 mm (1.5 in) of rain on average. Nights average 15°C (59°F) and cloud cover 34% (NASA POWER, 2001–2025 averages). The sea averages 21°C (70°F). It is the driest month of the year and the 5th coolest. Compared with August, it is warmer and drier; October brings highs of 26°C (78°F) and 81 mm (3.2 in) of rain.
Is September a good time to visit Brisbane?
best month Weather score 87/100.
Yes. September is one of the best months for weather in Brisbane.
Does it rain a lot in Brisbane in September?
No, it is usually dry: about 38 mm (1.5 in) falls in an average September. It is the driest month of the year.
How warm is Brisbane in September?
Days average 24°C (74°F) and nights 15°C (59°F).
Brisbane weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 29°C (84°F) | 22°C (72°F) | 140 mm | 54% | 28°C (82°F) | least pleasant |
| February | 28°C (83°F) | 22°C (72°F) | 156 mm | 53% | 28°C (82°F) | least pleasant |
| March | 27°C (80°F) | 21°C (70°F) | 136 mm | 54% | 26°C (79°F) | least pleasant |
| April | 25°C (77°F) | 19°C (66°F) | 83 mm | 46% | 24°C (76°F) | fair |
| May | 23°C (73°F) | 15°C (60°F) | 73 mm | 45% | 21°C (71°F) | fair |
| June | 20°C (69°F) | 14°C (56°F) | 88 mm | 49% | 18°C (64°F) | fair |
| July | 20°C (68°F) | 12°C (54°F) | 38 mm | 39% | 17°C (62°F) | best |
| August | 21°C (70°F) | 13°C (55°F) | 45 mm | 32% | 18°C (65°F) | best |
| September | 24°C (74°F) | 15°C (59°F) | 38 mm | 34% | 21°C (70°F) | best |
| October | 26°C (78°F) | 17°C (63°F) | 81 mm | 44% | 24°C (75°F) | fair |
| November | 27°C (80°F) | 19°C (67°F) | 92 mm | 48% | 26°C (79°F) | fair |
| December | 28°C (83°F) | 21°C (70°F) | 130 mm | 54% | 27°C (81°F) | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months