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.
Expect the mercury to hit around 24.7 degrees during the day and settle at 14.5 degrees after dark. Comfortable during the day, with evenings that invite a light layer.
September's temperature is very close to the annual average for Caloundra.
The rain data says 31mm over 8 days. Light enough that it won't ruin your plans.
Sunshine-wise, September delivers around 19.8 MJ/m2 of daily solar radiation. UV sits in the very high category. You'll want SPF 50+ and a decent hat.
September earns a 10.0/10 on our Comfort Score. This is prime time.
For your suitcase: t-shirts with a light layer for evenings, 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
- 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 |