Warrnambool in September
If September is your window for visiting Warrnambool, here's what the climate data says you can expect.
Expect the mercury to hit around 14.9 degrees during the day and settle at 9.8 degrees after dark. The temperature stays pretty consistent through the day. It's cool but manageable. A jumper handles most of it.
At 14.9 degrees, September sits 3.1 degrees below the annual average of 18.0 degrees.
Rainfall in September averages 84mm over about 16 days. That means roughly a 53% chance of rain on any given day, so definitely bring rain gear.
Sunshine-wise, September delivers around 11.5 MJ/m2 of daily solar radiation. UV sits in the high category. Sun protection is still a good idea, especially around midday.
September scores 2.4/10 on our Comfort Score. It's the tough end of the year weather-wise.
For your suitcase: warm layers including a coat, waterproof gear, and SPF 50+ sunscreen and a hat.
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
- Winter clothing including a proper coat
- Extra layers for chilly nights
- Proper rain gear for frequent showers
Coming From Overseas?
How September in Warrnambool stacks up against major cities around the world.
About 5 degrees cooler and considerably wetter.
About 11 degrees cooler and considerably drier.
About 12 degrees cooler and considerably drier.
How September Compares
Warrnambool's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 21.6 | 14.7 | 58mm | 8.7 |
| Feb | 21.8 | 13.8 | 10mm | 9.8 |
| Mar | 21.9 | 13.8 | 15mm | 9.2 |
| Apr | 16.7 | 11.3 | 63mm | 3.6 |
| May | 15.9 | 9.4 | 29mm | 3.5 |
| Jun | 13.1 | 7.3 | 37mm | 1.5 |
| Jul | 13.1 | 7.2 | 98mm | 1.0 |
| Aug | 16.5 | 9.2 | 77mm | 3.7 |
| Sep | 14.9 | 9.8 | 84mm | 2.4 |
| Oct | 17.8 | 10.3 | 71mm | 5.5 |
| Nov | 20.7 | 12.0 | 85mm | 7.9 |
| Dec | 22.2 | 13.5 | 49mm | 9.3 |