September · Australia
Best time to visit Brisbane in September Weather, crowds & prices
Weather in Brisbane in September
Average temperature 18°C, 61 mm of rain, about 29 days with 6+ hours of sunshine and 72% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.8/10
Ranked #3 of 12 months
- Avg temp
- 18°C
- Rainfall
- 61 mm
- Humidity
- 72%
- Days with 6h+ sun
- 29
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Brisbane scores 8.8/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 18°C, 61 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Riverfront ferries, subtropical parks, and outdoor dining shine October through March.
September ranks 3rd of 12 for Brisbane — one of the best windows
September averages 18°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 61 mm, so plan one flexible day in three; you still get about 29 days with 6+ hours of sunshine and 11.9 hours of daylight.
A 8.8/10 puts this among the year's best months in Brisbane (3rd of 12); only June scores higher, at 9.4/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Brisbane in September?
- In September, Brisbane averages 18°C, 61 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 8.8/10.
- Is September a good time to visit Brisbane?
- September earns a 8.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Brisbane in September?
- Expect about 61 mm of rain in September. Average humidity is 72% and there are about 29 days with 6+ hours of sunshine.
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