Kalgoorlie in September
Planning a trip to Kalgoorlie in September? Here's the honest weather briefing for what spring looks like on the ground.
Expect the mercury to hit around 23.6 degrees during the day and settle at 9.7 degrees after dark. Enough to keep you on your toes with the wardrobe. That's solidly pleasant territory. Great for being outdoors.
September is 2.4 degrees cooler than Kalgoorlie's yearly average.
You're looking at 8mm of rain across 2 days in a typical September. Dry as a bone, really.
Solar exposure averages 21.0 MJ/m2 per day in September, with UV levels in the extreme range. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
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.
Check the data table below for the full picture, or compare Kalgoorlie in September with another destination.
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
- Extra layers for chilly nights
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How September in Kalgoorlie stacks up against major cities around the world.
About 4 degrees warmer and considerably drier.
About 2 degrees cooler and considerably drier.
About 3 degrees cooler and considerably drier.
How September Compares
Kalgoorlie's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 34.5 | 19.2 | 15mm | 3.8 |
| Feb | 35.1 | 19.8 | 15mm | 3.5 |
| Mar | 26.1 | 15.7 | 45mm | 8.9 |
| Apr | 23.3 | 12.0 | 20mm | 10.0 |
| May | 23.5 | 11.4 | 10mm | 10.0 |
| Jun | 17.0 | 8.8 | 83mm | 4.1 |
| Jul | 16.5 | 6.2 | 39mm | 4.7 |
| Aug | 20.4 | 8.6 | 15mm | 7.9 |
| Sep | 23.6 | 9.7 | 8mm | 10.0 |
| Oct | 29.7 | 14.1 | 5mm | 7.3 |
| Nov | 28.7 | 14.7 | 64mm | 7.5 |
| Dec | 34.2 | 18.3 | 65mm | 3.7 |