Darwin in September
If September is your window for visiting Darwin, here's what the climate data says you can expect.
The average daily maximum is 31.9 degrees with overnight lows of 24.8 degrees. The warmth sticks around even after dark.
September's temperature is very close to the annual average for Darwin.
You're looking at 36mm of rain across 8 days in a typical September. Nothing dramatic.
Solar exposure averages 22.7 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.
At 5.3/10 on the Comfort Score, September is middle of the road.
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.
Check the data table below for the full picture, or compare Darwin 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
- Light, breathable clothing and a wide-brimmed hat
- A light rain jacket just in case
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How September in Darwin stacks up against major cities around the world.
About 12 degrees warmer and considerably drier.
About 6 degrees warmer and considerably drier.
About 5 degrees warmer and considerably drier.
How September Compares
Darwin's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 29.9 | 26.3 | 750mm | 3.2 |
| Feb | 30.4 | 26.5 | 275mm | 3.4 |
| Mar | 30.0 | 26.3 | 356mm | 3.4 |
| Apr | 32.3 | 25.4 | 38mm | 4.8 |
| May | 32.5 | 25.0 | 4mm | 5.2 |
| Jun | 30.0 | 21.4 | 0mm | 6.9 |
| Jul | 29.6 | 21.4 | 4mm | 7.1 |
| Aug | 30.8 | 22.7 | 3mm | 6.6 |
| Sep | 31.9 | 24.8 | 36mm | 5.3 |
| Oct | 32.2 | 26.2 | 95mm | 4.4 |
| Nov | 31.2 | 25.9 | 147mm | 4.0 |
| Dec | 31.5 | 26.5 | 253mm | 2.9 |