Measurements:
°C
°F
Cairns
62°F
N 4 mph
Feels like: 62°F
Precip: 11%
World Resorts Australia Cairns Weather

7 Day Weather Forecast

09.20
sun
DAY
80°F
W 8 mph
precip
1%
NIGHT
62°F
N 4 mph
precip
13%
09.21
mon
DAY
80°F
W 7 mph
precip
1%
NIGHT
62°F
N 4 mph
precip
13%
09.22
tue
DAY
80°F
W 7 mph
precip
10%
NIGHT
64°F
NW 4 mph
precip
29%
09.23
wed
DAY
80°F
W 9 mph
precip
17%
NIGHT
64°F
NW 5 mph
precip
34%
09.24
thu
DAY
80°F
W 9 mph
precip
12%
NIGHT
64°F
NW 5 mph
precip
40%
09.25
fri
DAY
78°F
NW 9 mph
precip
20%
NIGHT
66°F
NW 4 mph
precip
35%
09.26
sat
DAY
80°F
W 8 mph
precip
18%
NIGHT
64°F
N 4 mph
precip
20%

Cairns Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Cairns was 23.2°F. The maximum and minimum values were 22.3°F and 24.2°F respectively.

Cairns on the Weather Map

Best Time to Visit Cairns
The most sunny months:
October 19 days
August 18 days
September 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