Brisbane in September
Planning a trip to Brisbane in September? Here's the honest weather briefing for what spring looks like on the ground.
Daytime highs average 25.7 degrees, dropping to 13.0 degrees overnight. That's a 13-degree swing between day and night. Comfortable during the day, with evenings that invite a light layer.
September's temperature is very close to the annual average for Brisbane.
The rain data says 81mm over 7 days. Moderate, often falling in a few good dumps rather than constant drizzle.
Solar exposure averages 19.6 MJ/m2 per day in September, with UV levels in the very high range. You'll want SPF 50+ and a decent hat.
September earns a 9.1/10 on our Comfort Score. This is prime time.
For your suitcase: t-shirts with a light layer for evenings, something warmer for mornings and evenings, a rain jacket or compact umbrella, and serious sun protection.
The full data breakdown is below. You can also see how other Australian cities compare in September.
September at a Glance
Temperature Range
Daily temperature range in September. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- T-shirts and shorts for daytime
- A light rain jacket just in case
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How September in Brisbane stacks up against major cities around the world.
About 6 degrees warmer and considerably wetter.
About 0 degrees cooler and considerably drier.
About 1 degrees cooler and considerably drier.
How September Compares
Brisbane's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 29.4 | 21.6 | 268mm | 4.4 |
| Feb | 29.2 | 21.2 | 130mm | 5.7 |
| Mar | 27.0 | 19.3 | 175mm | 6.3 |
| Apr | 25.6 | 16.6 | 137mm | 7.9 |
| May | 22.6 | 13.5 | 34mm | 8.4 |
| Jun | 21.5 | 10.0 | 18mm | 8.5 |
| Jul | 20.1 | 9.9 | 31mm | 7.2 |
| Aug | 24.2 | 12.5 | 63mm | 9.8 |
| Sep | 25.7 | 13.0 | 81mm | 9.1 |
| Oct | 26.4 | 15.4 | 111mm | 8.4 |
| Nov | 27.8 | 19.0 | 290mm | 5.9 |
| Dec | 29.3 | 20.5 | 242mm | 5.2 |