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Sea Temperature in Perth in September

Complete information on the sea temperature range in the Indian Ocean in Perth in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Perth. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Perth in September

61°F

MINIMUN

65°F

AVERAGE

70°F

MAXIMUM

Historical Data of Water Temperature in September in Perth

Water Temperature Chart for Indian Ocean in Perth in September

Sea Temperature Table in Perth in September Over the Past Years

Day202420232022Average
Sep 164°C66°C64°C65°C
Sep 266°C66°C70°C67°C
Sep 364°C66°C70°C66°C
Sep 466°C64°C66°C65°C
Sep 566°C64°C68°C66°C
Sep 666°C64°C70°C66°C
Sep 766°C64°C68°C66°C
Sep 864°C66°C64°C65°C
Sep 964°C66°C64°C65°C
Sep 1066°C66°C64°C65°C
Sep 1164°C68°C68°C66°C
Sep 1264°C66°C64°C65°C
Sep 1366°C68°C64°C66°C
Sep 1464°C68°C64°C66°C
Sep 1564°C68°C64°C66°C
Sep 1666°C68°C64°C66°C
Sep 1766°C68°C64°C66°C
Sep 1866°C68°C64°C66°C
Sep 1966°C66°C64°C66°C
Sep 2066°C66°C64°C66°C
Sep 2166°C66°C64°C66°C
Sep 2266°C64°C64°C65°C
Sep 2366°C64°C64°C65°C
Sep 2466°C64°C64°C64°C
Sep 2566°C64°C64°C65°C
Sep 2666°C66°C68°C66°C
Sep 2766°C66°C64°C65°C
Sep 2864°C66°C64°C65°C
Sep 2966°C66°C64°C65°C
Western Australia, AustraliaWestern Australia, AustraliaWestern Australia, Australia

Perth Climate and Swimming Opportunities in September

68°F

Average Day Air Temperature

50°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

13 days

Number of Rainy Days

12 hrs

Daylight
per Day

7 hrs

Sunshine
per Day

10 mph

Average Wind Speed

62%

Average
humidity

Perth lies within the Western Australia in Australia. The average daytime temperature in Perth in September is 20°C (67°F), while the nighttime average is 10°C (50°F). There are typically 13 rainy days during the month, with a total precipitation of 76 mm (3.0 inches). The daylight duration in September in Perth is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 17 km/h (11 mph), and the humidity level is around 62%.

The water temperature in Perth in September ranges from 18°C to 19°C (64°F to 66°F). At the beginning of the month, the average temperature is around 19°C (66°F), shifting to 19°C (66°F) by mid-September and reaching 19°C (66°F) in the last ten days. Overall, the average sea temperature in Perth for September is 19°C (66°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Frequently Asked Questions About Water Temperatures in September in Perth

What is the sea temperature in Perth in September?

The water temperature in the Indian Ocean in Perth in September ranges from 18°C to 19°C (64°F to 66°F).

Is it possible to swim in the Indian Ocean in Perth in September?

The average sea temperature in Perth in September is 19°C (66°F), and the air temperature is 20°C (67°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.