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%
22.09
tue
tue
Day
73°F
NW 7 mph
Precip.
17%
17%
Night
63°F
N 4 mph
Precip.
26%
26%
23.09
wed
wed
Day
77°F
NW 8 mph
Precip.
17%
17%
Night
61°F
N 4 mph
Precip.
17%
17%
24.09
thu
thu
Day
79°F
W 7 mph
Precip.
1%
1%
Night
64°F
NW 4 mph
Precip.
45%
45%
25.09
fri
fri
Day
79°F
W 8 mph
Precip.
10%
10%
Night
64°F
NW 4 mph
Precip.
25%
25%
26.09
sat
sat
Day
77°F
W 7 mph
Precip.
18%
18%
Night
64°F
NW 3 mph
Precip.
32%
32%
27.09
sun
sun
Day
82°F
W 6 mph
Precip.
10%
10%
Night
63°F
NE 2 mph
Precip.
24%
24%
28.09
mon
mon
Day
86°F
SW 6 mph
Precip.
2%
2%
Night
66°F
N 1 mph
Precip.
18%
18%
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
