Kalgoorlie in September
Planning a trip to Kalgoorlie in September? Here's the honest weather briefing for what spring looks like on the ground.
The average daily maximum is 23.6 degrees with overnight lows of 9.7 degrees. Comfortable during the day, with evenings that invite a light layer.
September is 2.4 degrees cooler than Kalgoorlie's yearly average.
The rain data says 8mm over 2 days. That's barely a sprinkle.
Sunshine-wise, September delivers around 21.0 MJ/m2 of daily solar radiation. UV sits in the extreme category. 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
- Comfortable casual wear suitable for warm days
- A warm jumper or fleece for cool mornings and evenings
- Strong sun protection including a hat and SPF 50+
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 |