Bacchus Marsh in September
So, what's Bacchus Marsh actually like in September? In a word: fresh. It's spring, and the days are averaging 16.4 degrees.
Daytime highs average 16.4 degrees, dropping to 8.3 degrees overnight. That's a 8-degree swing between day and night. It's cool but manageable. A jumper handles most of it.
September is 3.5 degrees cooler than Bacchus Marsh's yearly average.
The rain data says 72mm over 9 days. A decent amount, but not relentless.
Solar exposure averages 13.6 MJ/m2 per day in September, with UV levels in the high range. Sun protection is still a good idea, especially around midday.
The Comfort Score is 4.3/10 for September. It's fine, but not the highlight of the calendar.
Packing tip: bring layers you can peel on and off, a rain jacket or compact umbrella, 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 light rain jacket just in case
Coming From Overseas?
How September in Bacchus Marsh stacks up against major cities around the world.
About 4 degrees cooler and considerably wetter.
About 10 degrees cooler and considerably drier.
About 11 degrees cooler and considerably drier.
How September Compares
Bacchus Marsh's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 24.7 | 14.2 | 106mm | 9.9 |
| Feb | 26.8 | 14.1 | 7mm | 9.3 |
| Mar | 25.2 | 13.1 | 12mm | 9.9 |
| Apr | 17.8 | 9.6 | 70mm | 5.0 |
| May | 16.1 | 7.9 | 42mm | 3.4 |
| Jun | 12.6 | 6.0 | 39mm | 1.0 |
| Jul | 12.1 | 6.3 | 85mm | 1.0 |
| Aug | 16.6 | 8.5 | 34mm | 4.5 |
| Sep | 16.4 | 8.3 | 72mm | 4.3 |
| Oct | 19.7 | 9.5 | 64mm | 7.4 |
| Nov | 23.9 | 11.9 | 83mm | 10.0 |
| Dec | 27.0 | 13.4 | 41mm | 8.7 |