September · Australia
Best time to visit Shark Bay in September Weather, crowds & prices
Weather in Shark Bay in September
Average temperature 20°C, 8 mm of rain, about 28 days with 6+ hours of sunshine and 65% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.8/10
Ranked #2 of 12 months
- Avg temp
- 20°C
- Rainfall
- 8 mm
- Humidity
- 65%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Shark Bay scores 9.8/10 for nature and wildlife travel - one of the top 12-month picks (#2). Expect around 20°C, 8 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Shark Bay holds dugongs, stromatolites, and Monkey Mia dolphins on WA’s remote coral coast. Best window: cooler months from late autumn through early spring.
September is one of the strongest months in Shark Bay (2nd)
September averages 20°C (68°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
Rain is a non-issue at 8 mm for the month, with about 28 days with 6+ hours of sunshine and 11.9 hours of daylight to work with.
A 9.8/10 puts this among the year's best months in Shark Bay (2nd of 12); only October scores higher, at 9.9/10.
Pack light clothing, a hat and real sun protection, footwear you can get muddy.
Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Shark Bay in September?
- In September, Shark Bay averages 20°C, 8 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 9.8/10.
- Is September a good time to visit Shark Bay?
- September earns a 9.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Shark Bay in September?
- Expect about 8 mm of rain in September. Average humidity is 65% and there are about 28 days with 6+ hours of sunshine.
Curated in Shark Bay
Tickets & experiences
Things to do in Shark Bay
Shark Bay, Australia. Live activities and tours from GetYourGuide, matched to this destination.