Bruny Island in September
September in Bruny Island is peak spring, and the weather reflects it. You're looking at average daily highs of 13.4 degrees.
Daytime highs average 13.4 degrees, dropping to 7.7 degrees overnight. That's a 6-degree swing between day and night. It's cool but manageable. A jumper handles most of it.
September is 2.7 degrees cooler than Bruny Island's yearly average.
The rain data says 78mm over 17 days. Moderate, often falling in a few good dumps rather than constant drizzle.
Solar exposure averages 12.1 MJ/m2 per day in September, with UV levels in the high range. Sun protection is still a good idea, especially around midday.
With a Comfort Score of 1.6/10, September is not the most comfortable time to visit.
Packing tip: bring a proper winter jacket, waterproof gear, and serious sun protection.
Scroll down for the detailed climate data, or explore what nearby cities are like 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
- Winter clothing including a proper coat
- Extra layers for chilly nights
- A waterproof jacket or compact umbrella
Coming From Overseas?
How September in Bruny Island stacks up against major cities around the world.
About 7 degrees cooler and considerably wetter.
About 13 degrees cooler and considerably drier.
About 14 degrees cooler and considerably drier.
How September Compares
Bruny Island's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 20.2 | 13.3 | 72mm | 7.6 |
| Feb | 21.0 | 13.4 | 25mm | 8.7 |
| Mar | 19.2 | 12.5 | 38mm | 6.8 |
| Apr | 16.2 | 11.1 | 56mm | 3.8 |
| May | 14.1 | 9.7 | 44mm | 1.9 |
| Jun | 11.8 | 8.1 | 49mm | 1.0 |
| Jul | 11.7 | 7.2 | 90mm | 1.0 |
| Aug | 13.6 | 8.7 | 101mm | 1.0 |
| Sep | 13.4 | 7.7 | 78mm | 1.6 |
| Oct | 15.3 | 8.8 | 67mm | 3.8 |
| Nov | 17.5 | 10.4 | 72mm | 5.6 |
| Dec | 19.1 | 12.0 | 138mm | 6.2 |