Port Augusta in September
September is right in the heart of spring for Port Augusta, and the weather has a definite personality this time of year.
Daytime highs average 23.5 degrees, dropping to 9.7 degrees overnight. That's a 14-degree swing between day and night. Comfortable during the day, with evenings that invite a light layer.
September is 3.1 degrees cooler than Port Augusta's yearly average.
You're looking at 8mm of rain across 3 days in a typical September. Dry as a bone, really.
Sunshine-wise, September delivers around 19.3 MJ/m2 of daily solar radiation. UV sits in the very high category. You'll want SPF 50+ and a decent hat.
Our Comfort Score rates September at 10.0/10. That's about as good as it gets.
Packing tip: bring a mix of short and long sleeves, something warmer for mornings and evenings, 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
- Comfortable casual wear suitable for warm days
- Extra layers for chilly nights
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How September in Port Augusta stacks up against major cities around the world.
About 4 degrees warmer and considerably drier.
About 2 degrees cooler and considerably drier.
About 4 degrees cooler and considerably drier.
How September Compares
Port Augusta's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 33.6 | 20.0 | 35mm | 4.2 |
| Feb | 35.7 | 19.3 | 0mm | 3.0 |
| Mar | 33.1 | 19.7 | 20mm | 4.7 |
| Apr | 23.4 | 11.6 | 3mm | 10.0 |
| May | 22.3 | 8.5 | 14mm | 9.1 |
| Jun | 16.8 | 7.5 | 28mm | 4.6 |
| Jul | 16.6 | 6.5 | 31mm | 4.4 |
| Aug | 22.5 | 9.9 | 15mm | 9.2 |
| Sep | 23.5 | 9.7 | 8mm | 10.0 |
| Oct | 28.9 | 14.3 | 19mm | 7.7 |
| Nov | 30.1 | 16.7 | 56mm | 6.5 |
| Dec | 32.6 | 18.2 | 19mm | 5.2 |