Click on a day for an hourly weather forecast
The temperatures in Caloundra in September are comfortable with low of 16°C and and high up to 23°C.
You can expect a few rainy days in Caloundra during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Caloundra in September 2025.
If you’re planning to visit Caloundra in the near future, we highly recommend that you review the 14 day weather forecast for Caloundra before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 27° / 22° | 6 | 25 | 0 | 173 mm | Perfect | Caloundra in January |
| February | 27° / 23° | 6 | 22 | 0 | 178 mm | Perfect | Caloundra in February |
| March | 26° / 22° | 6 | 25 | 0 | 169 mm | Perfect | Caloundra in March |
| April | 24° / 20° | 5 | 25 | 0 | 138 mm | Perfect | Caloundra in April |
| May | 22° / 17° | 4 | 27 | 0 | 111 mm | Good | Caloundra in May |
| June | 20° / 15° | 4 | 26 | 0 | 92 mm | Good | Caloundra in June |
| July | 20° / 14° | 2 | 29 | 0 | 60 mm | Good | Caloundra in July |
| August | 21° / 14° | 2 | 29 | 0 | 56 mm | Good | Caloundra in August |
| September | 23° / 16° | 2 | 28 | 0 | 51 mm | Perfect | Caloundra in September |
| October | 24° / 18° | 4 | 27 | 0 | 91 mm | Perfect | Caloundra in October |
| November | 26° / 20° | 4 | 26 | 0 | 66 mm | Perfect | Caloundra in November |
| December | 27° / 21° | 6 | 25 | 0 | 137 mm | Perfect | Caloundra in December |