Horsham in September
Planning a trip to Horsham in September? Here's the honest weather briefing for what spring looks like on the ground.
Expect the mercury to hit around 16.7 degrees during the day and settle at 7.1 degrees after dark. Manageable with a decent layer, and you'll warm up by midday.
September is 4.6 degrees cooler than Horsham's yearly average.
You're looking at 29mm of rain across 8 days in a typical September. Light enough that it won't ruin your plans.
Solar exposure averages 14.3 MJ/m2 per day in September, with UV levels in the high range. Sun protection is still a good idea, especially around midday.
At 4.9/10 on the Comfort Score, September is middle of the road.
For your suitcase: layers you can peel on and off, and serious sun protection.
The full data breakdown is below. You can also see how other Australian cities compare 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
- A jumper or light cardigan for flexibility
- A warm jumper or fleece for cool mornings and evenings
- A light rain jacket just in case
Coming From Overseas?
How September in Horsham stacks up against major cities around the world.
About 3 degrees cooler and considerably drier.
About 9 degrees cooler and considerably drier.
About 10 degrees cooler and considerably drier.
How September Compares
Horsham's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 27.8 | 15.0 | 83mm | 8.0 |
| Feb | 30.4 | 14.5 | 0mm | 7.0 |
| Mar | 27.8 | 13.7 | 5mm | 8.5 |
| Apr | 18.7 | 8.6 | 55mm | 6.1 |
| May | 17.6 | 6.8 | 20mm | 5.5 |
| Jun | 13.0 | 4.3 | 37mm | 1.3 |
| Jul | 12.9 | 4.7 | 35mm | 1.1 |
| Aug | 16.6 | 7.3 | 51mm | 4.4 |
| Sep | 16.7 | 7.1 | 29mm | 4.9 |
| Oct | 20.8 | 9.1 | 77mm | 8.2 |
| Nov | 25.1 | 12.3 | 55mm | 9.9 |
| Dec | 28.4 | 13.3 | 33mm | 7.8 |