AustraliaThe weather in September in Cairns
It's warm in September in Cairns with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 30°C. At night, you can expect temperatures between 17°C and 22°C.
Looking for great weather? September is a good time to be in Cairns. The temperatures are nice, and there’s little chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Cairns, Australia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 32°C in 2022, Cairns reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 23°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 25°C.
Water temperature
The water temperature at Cairns is 27°C this month. Nice and warm for a swim.
Rainfall amount
In September, there is an average of 19 mm of precipitation, spread over 5 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in September for Cairns
Click on any day in September to get detailed info about the usual weather on that day in Cairns. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Cairns | New York | |
|---|---|---|
| Average temperature | 29°C | 27°C |
| Max. temperature | 30°C | 31°C |
| Min. temperature | 17°C | -5°C |
| Total precipitation | 19 mm | 57 mm |
| Rainy days | 5 days | 9 days |
Start of September
The month of September starts in Cairns with hot temps, averaging around 29°C during the day and nights around 19°C.
Mid September
By mid-September, daytime temps stay steady at around 29°C, with nights around 21°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Cairns is around 30°C, while nighttime temps are about 21°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Find affordable trips to Cairns
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Cairns for all months and discover the best travel time
Curious about the weather in other parts of Australia? Check out the climate and weather for spots like Sydney, Gold Coast, Melbourne, or explore other destinations in Australia.
Temperature charts
These charts show the average temperatures in September in Cairns, Australia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Cairns
Temperature in September in Cairns over the years
Precipitation charts
These charts show the average amount of precipitation in September in Cairns, Australia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Cairns
Total precipitation in September in Cairns over the years
Daily UV index in September in Cairns
This chart shows the average daily UV index in September in Cairns, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Cairns
Have you been to Cairns in September?
Share your weather experience in September in Cairns.
Average weather in Cairns by month
Click on a month below to see detailed weather info for Cairns. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.