Colac in September
September is right in the heart of spring for Colac, and the weather has a definite personality this time of year.
The average daily maximum is 14.8 degrees with overnight lows of 7.7 degrees. Manageable with a decent layer, and you'll warm up by midday.
At 14.8 degrees, September sits 4.0 degrees below the annual average of 18.8 degrees.
The rain data says 87mm over 17 days. Moderate, often falling in a few good dumps rather than constant drizzle.
Solar exposure averages 11.2 MJ/m2 per day in September, with UV levels in the high range. Sun protection is still a good idea, especially around midday.
With a Comfort Score of 2.1/10, September is not the most comfortable time to visit.
Packing tip: bring warm layers including a coat, a rain jacket or compact umbrella, 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
- Warm layers including a heavy jacket or coat
- A warm jumper or fleece for cool mornings and evenings
- A waterproof jacket or compact umbrella
Coming From Overseas?
How September in Colac 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
Colac's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 24.0 | 13.3 | 60mm | 10.0 |
| Feb | 26.2 | 11.9 | 2mm | 9.9 |
| Mar | 24.1 | 11.6 | 8mm | 10.0 |
| Apr | 16.9 | 8.6 | 44mm | 4.4 |
| May | 16.0 | 7.4 | 29mm | 3.7 |
| Jun | 12.5 | 4.6 | 27mm | 1.1 |
| Jul | 11.9 | 5.1 | 67mm | 1.0 |
| Aug | 15.7 | 7.4 | 69mm | 3.1 |
| Sep | 14.8 | 7.7 | 87mm | 2.1 |
| Oct | 18.4 | 8.2 | 60mm | 6.3 |
| Nov | 21.9 | 10.5 | 67mm | 9.1 |
| Dec | 23.0 | 11.8 | 43mm | 10.0 |