World Resorts Australia Cairns Weather

Cairns Sea Temperature in September

Average sea water temperature in September:
+76.0°F
Minimum sea water temperature in September: 80.4°F
Maximum sea water temperature in September: 72.1°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 73.9°F. The highest and lowest sea temperatures during the month were 75.6°F and 72.1°F.

Monthly sea water temperature in Cairns, °F

Which Australia resorts have warmest sea in September?

Place name September 2026 September 2025
Darwin 83.1°F 82.9°F
Cairns 73.9°F 76.9°F
Fraser 70.7°F 70.5°F
Gold Coast 69.8°F 69.2°F
Brisbane 69.5°F 68.7°F
Perth 64.2°F 62.4°F
Sydney 63.7°F 64.4°F
Adelaide 59.3°F 57.5°F
Melbourne 56.8°F 54.2°F
Tasmania 52.8°F 53.5°F

Best time for vacation in Cairns

Sunniest months:
October 19 days
August 18 days
November 16 days
Warmest months:
December 86.7 °F
January 86.6 °F
February 86.3 °F
Warmest sea temp:
February 84.8 °F
January 84.6 °F
March 83.9 °F
Coldest months:
July 75.8 °F
June 76.1 °F
August 76.5 °F
Rainiest months:
January 10 days
March 8 days
February 8 days
Windiest months:
May 9.6 mph
July 9.2 mph
June 9.1 mph

Cairns on a weather map

Current weather
19:58
Cairns
+70°F
NW 1 mph
Feels like: +70°F
Precip.: 13%
Places in Australia:
Name
°F
Adelaide
+54°F
Brisbane
+70°F
Gold Coast
+68°F
Darwin
+84°F
Canberra
+59°F
Cairns
+70°F
Melbourne
+50°F
Perth
+59°F
Sydney
+68°F
Tasmania
+50°F
Fraser
+73°F
24 Hours Forecast
Cairns
Local time: 19:58
October 25, sunday
2100
70°F
NW
1 mph
October 26, monday
0000
66°F
N
1 mph
0300
64°F
NE
2 mph
0600
64°F
NE
2 mph
0900
86°F
W
4 mph
1200
91°F
SW
6 mph
1500
88°F
SW
6 mph
1800
79°F
SW
4 mph
Units of measurement: °C / °F