Weather in Cairns for September 2026
Until now, September 2026 in Cairns is cooler than usual, with temperatures averaging 23.1 °C, this is 2.1 °C below the typical seasonal average.
The forecast for the next days in Cairns predicts temperatures to be around 26 °C, close to the historical average.
In general, the average temperature in Cairns at the beginning of September is 25 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 27 °C by the end of September.
The climate of Cairns in September is notably wet, with an average of 14 rainy days, and a total of 32.7 mm of precipitation.
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Cairns Weather September
Temperatures trend during September in Cairns
September weather in Cairns day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 25° /18° | 1 mm | 6 | |
| 2 Sept. |  Partly cloudy | 25° /17° | 0.4 mm | 7 | |
| 3 Sept. |  Sunny | 25° /18° | 0.2 mm | 8 | |
| 4 Sept. | Sunny | 25° /18° | 0.3 mm | 8 | |
| 5 Sept. | Sunny | 25° /18° | 2.5 mm | 7 | |
| 6 Sept. | Light rain shower | 25° /18° | 1.6 mm | 7 | |
| 7 Sept. | Light rain shower | 25° /19° | 1.2 mm | 7 | |
| 8 Sept. | Light rain shower | 25° /20° | 1.7 mm | 7 | |
| 9 Sept. | Light rain shower | 26° /19° | 1.2 mm | 6 | |
| 10 Sept. | Patchy rain possible | 26° /19° | 1.8 mm | 6 | |
| 11 Sept. | Light rain shower | 25° /19° | 3.1 mm | 6 | |
| 12 Sept. | Partly cloudy | 25° /18° | 0.4 mm | 7 | |
| 13 Sept. |  Overcast | 25° /18° | 0.5 mm | 7 | |
| 14 Sept. | Light rain shower | 24° /18° | 1.4 mm | 6 | |
| 15 Sept. | Patchy rain possible | 26° /17° | 1.5 mm | 11.8 | |
| 16 Sept. | Sunny | 27° /16° | 0.9 mm | 11.9 | |
| 17 Sept. | Patchy rain possible | 25° /15° | 0.7 mm | 12.1 | |
| 18 Sept. | Patchy rain possible | 23° /18° | 5.5 mm | 6 | |
| 19 Sept. | Patchy rain possible | 21° /16° | 2.6 mm | 6 | |
| 20 Sept. | Sunny | 25° /16° | 0.2 mm | 7 | |
| 21 Sept. | Sunny | 26° /15° | 0 mm | 8 | |
| 22 Sept. | Overcast | 25° /15° | 0 mm | 7 | |
| 23 Sept. | Patchy rain possible | 26° /16° | 0.3 mm | 7 | |
| 24 Sept. | Patchy rain possible | 27° /18° | 1 mm | 7 | |
| 25 Sept. | Patchy rain possible | 26° /18° | 2.5 mm | 7 | |
| 26 Sept. | Sunny | 27° /17° | 0.7 mm | 8 | |
| 27 Sept. | Sunny | 27° /17° | 0 mm | 8 | |
| 28 Sept. | Sunny | 28° /17° | 0 mm | 8 | |
| 29 Sept. | Patchy rain possible | 27° /20° | 0.3 mm | 7 | |
| 30 Sept. | Patchy rain possible | 27° /20° | 0.4 mm | 7 | |
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Cairns in September - FAQ
What are the expected maximum and minimum temperatures in Cairns during September?
How much rainfall should be expected in Cairns during September?
What are the typical wind conditions in Cairns during September?
Cairns water temperatures in September
The average water temperature of the Pacific Ocean near Cairns in September is 22.7 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Cairns in September?
- The average water temperature in Cairns in September is 22.7 °C.
- Can you swim in Cairns in September?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
September rainfall patterns in Cairns
UV exposure in Cairns during September
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