World Resorts Australia Cairns Weather

Cairns Sea Temperature in September

Average sea water temperature in September:
+76.1°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:
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.

Monthly sea water temperature in Cairns, °F

Which Australia resorts have warmest sea in September?

Place name September 2026 September 2025
Darwin 82.8°F 82.9°F
Cairns 73.7°F 76.9°F
Fraser 70.3°F 70.5°F
Gold Coast 69.4°F 69.2°F
Brisbane 68.8°F 68.7°F
Sydney 63.2°F 64.4°F
Perth 62.8°F 62.4°F
Adelaide 58.7°F 57.5°F
Melbourne 56.0°F 54.2°F
Tasmania 52.0°F 53.5°F

Best time for vacation in Cairns

Sunniest months:
October 19 days
August 18 days
September 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
14:27
Cairns
+75°F
W 9 mph
Feels like: +77°F
Precip.: 10%
Places in Australia:
Name
°F
Adelaide
+57°F
Brisbane
+73°F
Gold Coast
+81°F
Darwin
+82°F
Canberra
+57°F
Cairns
+75°F
Melbourne
+54°F
Perth
+72°F
Sydney
+64°F
Tasmania
+48°F
Fraser
+68°F
24 Hours Forecast
Cairns
Local time: 14:27
September 15, tuesday
1500
75°F
W
9 mph
1800
68°F
NW
6 mph
2100
63°F
N
4 mph
September 16, wednesday
0000
61°F
NW
3 mph
0300
63°F
NW
4 mph
0600
63°F
N
4 mph
0900
72°F
NW
7 mph
1200
79°F
W
8 mph
Units of measurement: °C / °F