Measurements:
°C
°F
CURRENT WEATHER
21:25
Sydney
52°F
NW 7 mph
Feels like: 50°F
Precip: 24%
World Resorts Canada Sydney Weather

7 Day Weather Forecast

09.28
mon
DAY
58°F
W 14 mph
precip
18%
NIGHT
52°F
NW 6 mph
precip
69%
09.29
tue
DAY
56°F
W 6 mph
precip
72%
NIGHT
56°F
SW 5 mph
precip
43%
09.30
wed
DAY
58°F
SW 7 mph
precip
40%
NIGHT
56°F
SW 1 mph
precip
38%
10.01
thu
DAY
68°F
NE 1 mph
precip
5%
NIGHT
58°F
NE 8 mph
precip
33%
10.02
fri
DAY
68°F
NE 12 mph
precip
22%
NIGHT
56°F
SE 3 mph
precip
51%
10.03
sat
DAY
56°F
SE 14 mph
precip
9%
NIGHT
46°F
E 10 mph
precip
17%
10.04
sun
DAY
54°F
SE 6 mph
precip
2%
NIGHT
40°F
NE 5 mph
precip
17%

Sydney Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Sydney was 16.7°F. The maximum and minimum values were 13.3°F and 20.3°F respectively.

Sydney on the Weather Map

Best Time to Visit Sydney
The most sunny months:
August 9 days
June 7 days
May 7 days
The most warm months:
August 75.6 °F
July 74.1 °F
September 67.1 °F
Warmest sea temperature:
August 69.9 °F
September 65.4 °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
more details