Bunbury in September
September is right in the heart of spring for Bunbury, and the weather has a definite personality this time of year.
The average daily maximum is 18.4 degrees with overnight lows of 10.6 degrees. It's cool but manageable. A jumper handles most of it.
September is 4.7 degrees cooler than Bunbury's yearly average.
You're looking at 35mm of rain across 6 days in a typical September. Nothing dramatic.
Solar exposure averages 18.5 MJ/m2 per day in September, with UV levels in the very high range. You'll want SPF 50+ and a decent hat.
September scores a respectable 6.5/10 for overall comfort.
Packing tip: bring layers you can peel on and off, and SPF 50+ sunscreen and a hat.
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
- Layered clothing for mild to cool conditions
- A light rain jacket just in case
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How September in Bunbury stacks up against major cities around the world.
About 2 degrees cooler and considerably drier.
About 8 degrees cooler and considerably drier.
About 9 degrees cooler and considerably drier.
How September Compares
Bunbury's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 29.4 | 17.8 | 2mm | 7.7 |
| Feb | 31.1 | 19.1 | 2mm | 6.5 |
| Mar | 27.8 | 16.6 | 6mm | 8.5 |
| Apr | 25.9 | 14.9 | 0mm | 9.6 |
| May | 21.9 | 14.2 | 114mm | 7.5 |
| Jun | 17.5 | 11.4 | 142mm | 3.5 |
| Jul | 16.9 | 11.0 | 239mm | 2.3 |
| Aug | 16.8 | 12.7 | 196mm | 2.4 |
| Sep | 18.4 | 10.6 | 35mm | 6.5 |
| Oct | 20.4 | 12.5 | 61mm | 8.1 |
| Nov | 23.3 | 13.3 | 23mm | 10.0 |
| Dec | 28.1 | 16.2 | 8mm | 8.4 |