September · Australia
Best time to visit Margaret River in September Weather, crowds & prices
Weather in Margaret River in September
Average temperature 15°C, 51 mm of rain, about 17 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.5/10
Ranked #7 of 12 months
- Avg temp
- 15°C
- Rainfall
- 51 mm
- Humidity
- 77%
- Days with 6h+ sun
- 17
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Margaret River scores 8.5/10 for nature and wildlife travel - ranked #7 of 12. Expect around 15°C, 51 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.
Margaret River's surf breaks, caves and wineries crowd into a corner of Western Australia.
September ranks 7th of 12 for Margaret River — one of the best windows
September averages 15°C (59°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 51 mm, so plan one flexible day in three; you still get about 17 days with 6+ hours of sunshine and 11.8 hours of daylight.
A 8.5/10 puts this among the year's best months in Margaret River (7th of 12); only January scores higher, at 10/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? January scores 1.5 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Margaret River in September?
- In September, Margaret River averages 15°C, 51 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 8.5/10.
- Is September a good time to visit Margaret River?
- September earns a 8.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Margaret River in September?
- Expect about 51 mm of rain in September. Average humidity is 77% and there are about 17 days with 6+ hours of sunshine.
Curated in Margaret River
Tickets & experiences
Things to do in Margaret River
Margaret River, Australia. Live activities and tours from GetYourGuide, matched to this destination.