AustraliaAverage weather for Cairns in September
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.
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. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
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.
Since it cools down at night, it’s a good idea to wear layers.
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.
Water temperature
The water temperature at Cairns is 27°C this month. Nice and warm for a swim.
In September, there is an average of 19 mm of precipitation, spread over 4 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Cairns in September |
New York | ||
|---|---|---|---|
 Average temperature |
29°C | 27°C | |
 Max. temperature |
30°C | 31°C | |
| Min. temperature |
28°C | -5°C | |
 Total precipitation |
19 mm | 57 mm | |
| Rainy days |
4 days | 9 days | |
August
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.
Is September a good time to visit Cairns?
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.
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.
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.
Daily Temperature in September in Cairns
This chart shows the average daily high and low temperatures in September for Cairns, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Cairns
The chart below shows the average daily precipitation in September for Cairns, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 4 days of precipitation in Cairns.
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.
Temperature in September in Cairns over the years
This chart shows the average temperature in September in Cairns, measured in degrees Celsius, over the past few years.
Total precipitation in September in Cairns over the years
This chart shows the average precipitation in September in Cairns, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
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.
