Measurements:
°C
°F
CURRENT WEATHER
22:17
Sydney
70°F
SE 6 mph
Feels like: 70°F
Precip: 2%
World Resorts Australia Sydney Weather

7 Day Weather Forecast

09.20
sun
DAY
74°F
SW 10 mph
precip
1%
NIGHT
70°F
SE 11 mph
precip
1%
09.21
mon
DAY
66°F
N 29 mph
precip
10%
NIGHT
60°F
N 19 mph
precip
40%
09.22
tue
DAY
60°F
NW 10 mph
precip
16%
NIGHT
60°F
W 16 mph
precip
61%
09.23
wed
DAY
62°F
SW 14 mph
precip
42%
NIGHT
64°F
SW 16 mph
precip
42%
09.24
thu
DAY
66°F
SW 20 mph
precip
8%
NIGHT
64°F
S 17 mph
precip
9%
09.25
fri
DAY
68°F
SW 16 mph
precip
9%
NIGHT
68°F
NE 9 mph
precip
9%
09.26
sat
DAY
74°F
SW 13 mph
precip
4%
NIGHT
64°F
N 26 mph
precip
36%

Sydney Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Sydney was 17.4°F. The maximum and minimum values were 16.8°F and 17.9°F respectively.

Sydney on the Weather Map

Best Time to Visit Sydney
The most sunny months:
July 19 days
August 18 days
September 18 days
The most warm months:
January 81.2 °F
February 80.6 °F
March 79.0 °F
Warmest sea temperature:
February 76.8 °F
March 76.3 °F
January 75.8 °F
The most cold months:
July 63.0 °F
June 63.4 °F
August 64.6 °F
The most rainy months:
June 4 days
March 4 days
November 3 days
The most windy months:
January 11 mph
December 11 mph
November 11 mph
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