Broome in September
If September is your window for visiting Broome, here's what the climate data says you can expect.
Daytime highs average 30.2 degrees, dropping to 25.5 degrees overnight. That's a 5-degree swing between day and night. The warmth sticks around even after dark.
September's temperature is very close to the annual average for Broome.
Rainfall in September averages 8mm over about 2 days. That means roughly a 7% chance of rain on any given day, so you can leave the umbrella at the hotel.
Sunshine-wise, September delivers around 22.5 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.
The Comfort Score for September comes in at 7.0/10, solidly pleasant.
Packing tip: bring loose cotton or linen gear, and serious sun protection.
The sea breeze usually kicks in by early afternoon in September, which is genuinely welcome. It can knock 3 to 5 degrees off the feels-like temperature.
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
- Cotton or linen fabrics to stay cool
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How September in Broome stacks up against major cities around the world.
About 10 degrees warmer and considerably drier.
About 4 degrees warmer and considerably drier.
About 3 degrees warmer and considerably drier.
How September Compares
Broome's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 30.8 | 28.7 | 6mm | 5.8 |
| Feb | 31.5 | 28.8 | 10mm | 5.1 |
| Mar | 30.5 | 26.9 | 169mm | 4.3 |
| Apr | 32.7 | 25.8 | 16mm | 4.9 |
| May | 29.8 | 23.5 | 37mm | 6.6 |
| Jun | 26.5 | 19.0 | 2mm | 9.2 |
| Jul | 26.8 | 19.8 | 0mm | 9.0 |
| Aug | 27.5 | 22.2 | 4mm | 8.8 |
| Sep | 30.2 | 25.5 | 8mm | 7.0 |
| Oct | 30.8 | 27.1 | 4mm | 6.3 |
| Nov | 32.1 | 28.5 | 26mm | 4.9 |
| Dec | 32.0 | 28.4 | 111mm | 3.8 |