September · Australia
Best time to visit Exmouth in September Weather, crowds & prices
Weather in Exmouth in September
Average temperature 23°C, 7 mm of rain, about 30 days with 6+ hours of sunshine and 60% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.9/10
Ranked #8 of 12 months
- Avg temp
- 23°C
- Rainfall
- 7 mm
- Humidity
- 60%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Exmouth scores 9.9/10 for beach and coastal travel - ranked #8 of 12. Expect around 23°C, 7 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Exmouth opens Ningaloo Reef for whale-shark swims and Cape Range coastal snorkel days. Best window: the drier Southern Hemisphere months.
September ranks 8th of 12 for Exmouth — one of the best windows
September averages 23°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 7 mm for the month, with about 30 days with 6+ hours of sunshine and 11.9 hours of daylight to work with.
A 9.9/10 puts this among the year's best months in Exmouth (8th of 12); only January scores higher, at 10/10.
Pack light clothing, swimwear and real sun protection.
Figure on peak pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Exmouth in September?
- In September, Exmouth averages 23°C, 7 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 9.9/10.
- Is September a good time to visit Exmouth?
- September earns a 9.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Exmouth in September?
- Expect about 7 mm of rain in September. Average humidity is 60% and there are about 30 days with 6+ hours of sunshine.
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