World Resorts Australia Cairns Weather

Cairns Sea Temperature in September

Average sea water temperature in September:
+76.2°F
Minimum sea water temperature in September: 80.4°F
Maximum sea water temperature in September: 73.2°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 2025 September 2024
Darwin 82.9°F 84.3°F
Cairns 76.9°F 76.6°F
Fraser 70.5°F 72.2°F
Gold Coast 69.2°F 69.8°F
Brisbane 68.7°F 71.0°F
Sydney 64.4°F 63.3°F
Perth 62.4°F 63.7°F
Adelaide 57.5°F 58.3°F
Melbourne 54.2°F 54.4°F
Tasmania 53.5°F 53.8°F

Best time for vacation in Cairns

Sunniest months:
October 19 days
August 18 days
September 16 days
Warmest months:
December 86.8 °F
January 86.7 °F
February 86.3 °F
Warmest sea temp:
February 84.8 °F
January 84.6 °F
March 83.9 °F
Coldest months:
July 75.9 °F
June 76.2 °F
August 76.6 °F
Rainiest months:
January 10 days
March 9 days
February 8 days
Windiest months:
May 9.6 mph
July 9.1 mph
June 9.1 mph

Cairns on a weather map

Current weather
08:51
Cairns
+84°F
E 1 mph
Feels like: +90°F
Precip.: 87%
Places in Australia:
Name
°F
Adelaide
+64°F
Brisbane
+75°F
Gold Coast
+73°F
Darwin
+82°F
Canberra
+57°F
Cairns
+84°F
Melbourne
+55°F
Perth
+70°F
Sydney
+61°F
Tasmania
+50°F
Fraser
+79°F
24 Hours Forecast
Cairns
Local time: 08:51
December 26, friday
0900
84°F
E
1 mph
1200
84°F
S
5 mph
1500
84°F
SE
4 mph
1800
81°F
E
4 mph
2100
77°F
E
5 mph
December 27, saturday
0000
77°F
E
2 mph
0300
77°F
NE
2 mph
0600
77°F
E
2 mph
Units of measurement: °C / °F