September · Australia
Best time to visit Carnarvon in September Weather, crowds & prices
Weather in Carnarvon in September
Average temperature 21°C, 7 mm of rain, about 29 days with 6+ hours of sunshine and 61% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.0/10
Ranked #8 of 12 months
- Avg temp
- 21°C
- Rainfall
- 7 mm
- Humidity
- 61%
- Days with 6h+ sun
- 29
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Carnarvon scores 9.0/10 for beach and coastal travel - ranked #8 of 12. Expect around 21°C, 7 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Carnarvon is a Gascoyne outback-coast town-banana plantations and a gateway toward Shark Bay. Best window: cooler months from late autumn through early spring.
September in Carnarvon — one of the year's strongest windows (8th)
September averages 21°C (70°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 29 days with 6+ hours of sunshine and 11.9 hours of daylight to work with.
A 9/10 puts this among the year's best months in Carnarvon (8th of 12); only January scores higher, at 10/10.
Pack light clothing, swimwear and real sun protection.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Carnarvon in September?
- In September, Carnarvon averages 21°C, 7 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 9.0/10.
- Is September a good time to visit Carnarvon?
- September earns a 9.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Carnarvon in September?
- Expect about 7 mm of rain in September. Average humidity is 61% and there are about 29 days with 6+ hours of sunshine.
Curated in Carnarvon
Tickets & experiences
Things to do in Carnarvon
Carnarvon, Australia. Live activities and tours from GetYourGuide, matched to this destination.