Measurements:
°C
°F
Perth
62°F
N 9 mph
Feels like: 62°F
Precip: 7%
World Resorts Australia Perth Weather

7 Day Weather Forecast

09.20
sun
DAY
64°F
N 7 mph
precip
23%
NIGHT
60°F
N 6 mph
precip
8%
09.21
mon
DAY
66°F
NE 9 mph
precip
5%
NIGHT
58°F
N 12 mph
precip
9%
09.22
tue
DAY
64°F
NE 14 mph
precip
4%
NIGHT
58°F
NW 7 mph
precip
9%
09.23
wed
DAY
66°F
NE 13 mph
precip
4%
NIGHT
60°F
NW 8 mph
precip
6%
09.24
thu
DAY
66°F
NE 11 mph
precip
4%
NIGHT
62°F
N 16 mph
precip
15%
09.25
fri
DAY
62°F
NW 16 mph
precip
24%
NIGHT
56°F
NW 20 mph
precip
18%
09.26
sat
DAY
54°F
NW 22 mph
precip
36%
NIGHT
52°F
N 24 mph
precip
72%

Perth Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Perth was 17.4°F. The maximum and minimum values were 16.6°F and 18.6°F respectively.

Perth on the Weather Map

Best Time to Visit Perth
The most sunny months:
January 26 days
December 26 days
February 23 days
The most warm months:
February 89.0 °F
January 88.6 °F
March 85.1 °F
Warmest sea temperature:
February 77.3 °F
January 76.7 °F
March 76.4 °F
The most cold months:
July 63.4 °F
August 64.4 °F
June 65.4 °F
The most rainy months:
July 6 days
June 5 days
August 5 days
The most windy months:
December 11 mph
January 11 mph
November 11 mph