Brisbane Weather in September
September in Brisbane averages 25°C (77°F) during the day and 14°C (57°F) at night. The perfect conditions and moderate rainfall make it a solid month to visit.
Rainfall in Brisbane in September
You can typically expect 6 days of rain this month, averaging around 40 mm (1.6 in). The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.
Temperature in Brisbane in September
September in Brisbane is generally perfect, with days reaching 25°C (77°F) and nights settling around 14°C (57°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Brisbane in September
The month enjoys around 271 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Brisbane in September
Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.
Average water temperature in September
The water sits at 20°C (68°F), which is a nice temperature for swimming. Not too cold, not too warm — most visitors are happy to spend time in the water.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August, September, October and November typically offer the best weather for Brisbane.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Brisbane's climate page.
Brisbane Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
25°C (77°F)
Water Temperature
20°C (68°F)
Chance of Rain
21%
Precipitation
40 mm (1.6 in)
Rainy days
6 days
Humidity
48%
Windspeed
3 m/s (6 knots)
Sunshine
271 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Brisbane typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are cool, with lows typically ranging from 12°C (54°F) to 15°C (59°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Brisbane in September
Browse day-by-day weather records for Brisbane spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Brisbane historical weather extremes in September
Based on weather observations in Brisbane between 1976 and 2025, these are the recorded extremes during September.
- On September 6, 2019, temperatures climbed to 34°C (93°F), marking the warmest September day on record.
- On September 23, 1993, Brisbane saw its coldest September day with temperatures maxing out at 15°C (59°F).
- Brisbane registered its coldest September night on September 14, 1992, with temperatures dropping to 4°C (39°F).
Best Places in Australia in September
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in September →
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What to Wear in Brisbane in September
For Brisbane in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Some rain is possible, so pack something to handle light showers. Expect water temperatures of around 20°C (68°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Brisbane in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Brisbane's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Brisbane climate overview or explore weather in Australia.
