Melbourne in September
So, what's Melbourne actually like in September? In a word: mild. It's spring, and the days are averaging 16.9 degrees.
Expect the mercury to hit around 16.9 degrees during the day and settle at 8.8 degrees after dark. It's cool but manageable. A jumper handles most of it.
September is 3.0 degrees cooler than Melbourne's yearly average.
You're looking at 62mm of rain across 10 days in a typical September. A decent amount, but not relentless.
Sunshine-wise, September delivers around 13.7 MJ/m2 of daily solar radiation. UV sits in the high category. Sun protection is still a good idea, especially around midday.
At 4.7/10 on the Comfort Score, September is middle of the road.
For your suitcase: a decent jumper or fleece, waterproof gear, and serious sun protection.
Scroll down for the detailed climate data, or explore what nearby cities are like 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
- Layered clothing for mild to cool conditions
- A warm jumper or fleece for cool mornings and evenings
- A waterproof jacket or compact umbrella
Coming From Overseas?
How September in Melbourne stacks up against major cities around the world.
About 3 degrees cooler and considerably wetter.
About 9 degrees cooler and considerably drier.
About 10 degrees cooler and considerably drier.
How September Compares
Melbourne's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 24.5 | 14.8 | 141mm | 9.8 |
| Feb | 26.3 | 14.5 | 10mm | 9.7 |
| Mar | 24.8 | 13.9 | 20mm | 10.0 |
| Apr | 18.0 | 10.2 | 93mm | 4.8 |
| May | 16.3 | 7.7 | 40mm | 3.7 |
| Jun | 13.1 | 5.8 | 36mm | 1.4 |
| Jul | 12.3 | 6.1 | 99mm | 1.0 |
| Aug | 16.9 | 8.5 | 38mm | 4.7 |
| Sep | 16.9 | 8.8 | 62mm | 4.7 |
| Oct | 19.8 | 9.9 | 65mm | 7.5 |
| Nov | 23.5 | 13.0 | 76mm | 10.0 |
| Dec | 26.0 | 14.7 | 46mm | 9.3 |