September · Australia
Best time to visit Darwin in September Weather, crowds & prices
Weather in Darwin in September
Average temperature 29°C, 23 mm of rain, about 30 days with 6+ hours of sunshine and 61% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.1/10
Ranked #5 of 12 months
- Avg temp
- 29°C
- Rainfall
- 23 mm
- Humidity
- 61%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Darwin scores 7.1/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 29°C, 23 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Darwin faces the Timor Sea with a harbour, markets and the gateway to Kakadu.
September in Darwin — reliably good (5th best month)
Days in September average 29°C (85°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
With around 23 mm of rain, any showers tend to pass through rather than settle in; about 30 days with 6+ hours of sunshine and 11.9 hours of daylight fill the rest.
That is 7.1/10 on the same scale — 5th of 12 months, versus 8.1/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, footwear you can get muddy.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Darwin in September?
- In September, Darwin averages 29°C, 23 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 7.1/10.
- Is September a good time to visit Darwin?
- September earns a 7.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Darwin in September?
- Expect about 23 mm of rain in September. Average humidity is 61% and there are about 30 days with 6+ hours of sunshine.
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