15.09
tue
tue
Day

77°F
NW 9 mph
Precip.
1%
1%
Night

61°F
NW 3 mph
Precip.
31%
31%
16.09
wed
wed
Day

79°F
W 8 mph
Precip.
1%
1%
Night

59°F
N 4 mph
Precip.
13%
13%
17.09
thu
thu
Day

77°F
W 9 mph
Precip.
10%
10%
Night

64°F
NW 6 mph
Precip.
56%
56%
18.09
fri
fri
Day

73°F
NW 11 mph
Precip.
20%
20%
Night

64°F
NW 8 mph
Precip.
32%
32%
19.09
sat
sat
Day

68°F
NW 9 mph
Precip.
24%
24%
Night

63°F
NW 4 mph
Precip.
42%
42%
20.09
sun
sun
Day

70°F
NW 6 mph
Precip.
23%
23%
Night

63°F
N 4 mph
Precip.
18%
18%
21.09
mon
mon
Day

75°F
W 8 mph
Precip.
6%
6%
Night

61°F
N 4 mph
Precip.
13%
13%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 76.9°F. The highest and lowest sea temperatures during the month were 78.3°F and 75.6°F.
Air temperature in Cairns, °F
Precipitation total in Cairns, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cairns
Cairns on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Cairns
Local time: 13:59
September 15, tuesday
1500

75°F
W
9 mph
9 mph
1800

68°F
NW
6 mph
6 mph
2100

63°F
N
4 mph
4 mph
September 16, wednesday
0000

61°F
NW
3 mph
3 mph
0300

63°F
NW
4 mph
4 mph
0600

63°F
N
4 mph
4 mph
0900

72°F
NW
7 mph
7 mph
1200

79°F
W
8 mph
8 mph



























