Perth weather in September 2025

Expect 68°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Perth in September. Check more long-term weather averages for Perth in September before you book your next holiday to Western Australia in 2025/2026.

  • 68°F maximum daytime temperature in September in Perth68
    68°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in September in Perth10
    10 days with some rainfall
  • 50°F minimum night-time temperature in September in Perth50
    50°F min night temperature
  • 12 hours of daylight per day in September in Perth12
    12 hours of daylight per day
  • No heat & humidity in September in Perth0
    No heat & humidity
  • 2.8 inches monthly rainfall in September in Perth2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Perth6
    6 (High) UV index
  • 64°F sea temperature in September in Perth64
    64°F sea temperature

More about Perth

Perth by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Western Australia

Travelbag: Latest holiday sale offers worldwide

  • Explore latest sale offers on holidays in 2025/2026
  • Filter deals by continent, star rating & holiday type
  • Including Dubai, Caribbean, North America, Asia & Pacific
Go to Travelbag deal >>

View all Travelbag offers

TravelbagHoliday deal finder

The September weather guide for Western Australia (Perth) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

More about Australia

How hot is it in Perth in September?

Daytime temperatures usually reach 68°F in Perth in September, falling to 50°F at night.

How sunny is it in Perth in September?

There are normally 8 hours of bright sunshine each day in Perth in September - that's 64% of daylight hours.

How warm is the sea around Perth in September?

The average sea temperature around Perth in September is 64°F.

Does it rain in Perth in September?

There are usually 10 days with some rain in Perth in September and the average monthly rainfall is 2.8 inches.

Perth September sunrise & sunset times

Browse the sunrise and sunset times for Perth in September 2025. Select a month to view Perth sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:34 18:00
Monday, 15th September 2025 06:16 18:08
Tuesday, 30th September 2025 05:56 18:18

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^