Monkey Mia weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Monkey Mia in September. Check more long-term weather averages for Monkey Mia in September before you book your next holiday to Western Australia in 2025/2026.

  • 25°C maximum daytime temperature in September in Monkey Mia25
    25°C max day temperature
  • 10 hours of sunshine per day
  • 4 days with some rainfall in September in Monkey Mia4
    4 days with some rainfall
  • 12°C minimum night-time temperature in September in Monkey Mia12
    12°C min night temperature
  • 12 hours of daylight per day in September in Monkey Mia12
    12 hours of daylight per day
  • No heat & humidity in September in Monkey Mia0
    No heat & humidity
  • 6 mm monthly rainfall in September in Monkey Mia6
    6 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Monkey Mia8
    8 (Very High) UV index
  • 19°C sea temperature in September in Monkey Mia19
    19°C sea temperature

More about Monkey Mia

Monkey Mia 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 2024/2025
  • 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 (Monkey Mia) 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 / mm)  |  Imperial (°F / inches)

Back to top

More about Australia

How hot is it in Monkey Mia in September?

Daytime temperatures usually reach 25°C in Monkey Mia in September with no heat and humidity, falling to 12°C at night.

How sunny is it in Monkey Mia in September?

There are normally 10 hours of bright sunshine each day in Monkey Mia in September - that's 86% of daylight hours.

How warm is the sea around Monkey Mia in September?

The average sea temperature around Monkey Mia in September is 19°C.

Does it ever rain in Monkey Mia in September?

There are usually 4 days with some rain in Monkey Mia in September and the average monthly rainfall is 6mm.

Monkey Mia September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:38 18:13
Monday, 15th September 2025 06:23 18:18
Tuesday, 30th September 2025 06:06 18:25

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^