Caloundra in September
September in Caloundra is peak spring, and the weather reflects it. You're looking at average daily highs of 24.7 degrees.
The average daily maximum is 24.7 degrees with overnight lows of 14.5 degrees. That's solidly pleasant territory. Great for being outdoors.
September's temperature is very close to the annual average for Caloundra.
You're looking at 31mm of rain across 8 days in a typical September. Light enough that it won't ruin your plans.
Solar exposure averages 19.8 MJ/m2 per day in September, with UV levels in the very high range. You'll want SPF 50+ and a decent hat.
September earns a 10.0/10 on our Comfort Score. This is prime time.
Packing tip: bring t-shirts with a light layer for evenings, 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
- T-shirts and shorts for daytime
- A light rain jacket just in case
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How September in Caloundra stacks up against major cities around the world.
About 5 degrees warmer and considerably drier.
About 1 degrees cooler and considerably drier.
About 2 degrees cooler and considerably drier.
How September Compares
Caloundra's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 28.4 | 22.5 | 376mm | 4.8 |
| Feb | 28.5 | 21.6 | 208mm | 5.3 |
| Mar | 26.5 | 20.7 | 253mm | 6.1 |
| Apr | 25.1 | 17.6 | 155mm | 7.6 |
| May | 22.3 | 14.8 | 74mm | 7.4 |
| Jun | 21.6 | 11.0 | 20mm | 8.5 |
| Jul | 20.1 | 11.3 | 70mm | 6.8 |
| Aug | 23.3 | 13.8 | 102mm | 8.9 |
| Sep | 24.7 | 14.5 | 31mm | 10.0 |
| Oct | 25.6 | 17.0 | 96mm | 8.8 |
| Nov | 27.1 | 20.0 | 230mm | 6.3 |
| Dec | 28.0 | 21.1 | 245mm | 5.8 |