Measurements:
°C
°F
CURRENT WEATHER
18:31
Sydney
60°F
S 9 mph
Feels like: 60°F
Precip: 39%
World Resorts Canada Sydney Weather

7 Day Weather Forecast

09.08
tue
DAY
68°F
E 9 mph
precip
16%
NIGHT
56°F
S 12 mph
precip
36%
09.09
wed
DAY
62°F
S 12 mph
precip
13%
NIGHT
50°F
NE 6 mph
precip
38%
09.10
thu
DAY
58°F
N 20 mph
precip
86%
NIGHT
64°F
NE 7 mph
precip
32%
09.11
fri
DAY
56°F
E 14 mph
precip
35%
NIGHT
52°F
E 12 mph
precip
28%
09.12
sat
DAY
62°F
SE 9 mph
precip
18%
NIGHT
48°F
E 4 mph
precip
26%
09.13
sun
DAY
66°F
NE 11 mph
precip
4%
NIGHT
56°F
NE 11 mph
precip
29%
09.14
mon
DAY
70°F
NE 15 mph
precip
15%
NIGHT
58°F
SE 7 mph
precip
29%

Sydney Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sydney was 18.2°F. The maximum and minimum values were 15.9°F and 20.1°F respectively.

Sydney on the Weather Map

Best Time to Visit Sydney
The most sunny months:
August 9 days
September 8 days
June 7 days
The most warm months:
August 75.6 °F
July 74.1 °F
September 67.9 °F
Warmest sea temperature:
August 69.9 °F
September 65.7 °F
July 63.6 °F
The most cold months:
February 27.0 °F
January 28.2 °F
March 32.5 °F
The most rainy months:
November 6 days
December 6 days
March 4 days
The most windy months:
December 12 mph
February 11 mph
November 11 mph
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