Measurements:
°C
°F
Cairns
64°F
N 4 mph
Feels like: 64°F
Precip: 16%
World Resorts Australia Cairns Weather September Weather in Cairns

Cairns Weather: September

Average Day Temperature: 82.1°F
Average Night Temperature: 68.4°F
Sea Water Temperature: 78.9°F
Number of Sunny Days: 15 days
Sunshine Hours: 11.8 - 12.2 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.6 in

Air Temperature in September, °F

Select Year: 2026 2025 2024

The highest day temperature in September 2026 was 87°F. The lowest night temperature was 58°F. The average values for day and night temperatures during September were 79.0°F и 63.7°F respectivly.

Cairns Water Sea Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Cairns was 76.5°F. The maximum and minimum values were 74.6°F and 78.4°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Cairns is 0.6 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 8.6 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Cairns in September is 8.0 hours.

Best Time to Visit Cairns
The most sunny months:
October 19 days
August 18 days
November 16 days
The most warm months:
December 90.8 °F
January 90.6 °F
February 90.3 °F
Warmest sea temperature:
February 88.7 °F
January 88.4 °F
March 87.7 °F
The most cold months:
July 78.7 °F
June 79.0 °F
August 79.5 °F
The most rainy months:
January 10 days
March 8 days
February 8 days
The most windy months:
May 9 mph
July 9 mph
June 9 mph

Cairns on the Weather Map

Australia Resorts:
NAME
F°
Adelaide +56
Brisbane +70
Cairns +64
Canberra +44
Darwin +82
Fraser +76
Gold Coast +70
Melbourne +56
Perth +54
Sydney +68
Tasmania +50
24 Hours Weather Forecast
Cairns
Local time: 06:07
12 oct, monday
0900 86°F
NW
7 mph
1200 92°F
W
8 mph
1500 90°F
W
7 mph
1800 80°F
W
5 mph
2100 70°F
NW
3 mph
13 oct, tuesday
0000 72°F
NW
3 mph
0300 64°F
N
3 mph
0600 64°F
N
3 mph