09.20
sun
sun
DAY

64°F
N 7 mph
precip
23%
23%
NIGHT

60°F
N 6 mph
precip
8%
8%
09.21
mon
mon
DAY

66°F
NE 9 mph
precip
5%
5%
NIGHT

58°F
N 12 mph
precip
9%
9%
09.22
tue
tue
DAY

64°F
NE 14 mph
precip
4%
4%
NIGHT

58°F
NW 7 mph
precip
9%
9%
09.23
wed
wed
DAY

66°F
NE 13 mph
precip
4%
4%
NIGHT

60°F
NW 8 mph
precip
6%
6%
09.24
thu
thu
DAY

66°F
NE 11 mph
precip
4%
4%
NIGHT

62°F
N 16 mph
precip
15%
15%
09.25
fri
fri
DAY

62°F
NW 16 mph
precip
24%
24%
NIGHT

56°F
NW 20 mph
precip
18%
18%
09.26
sat
sat
DAY

54°F
NW 22 mph
precip
36%
36%
NIGHT

52°F
N 24 mph
precip
72%
72%
Weather in
September
September
| Perth |
14 day weather
forecast
forecast
| Perth |
Monthly weather
averages
averages
| Perth |
Sea water
temperature
temperature
| Perth |
Perth Sea Water Temperature in September, °F
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.





























