Monthly climate guide
Darwin weather in September
Expect very hot weather in Darwin in September: afternoons reach about 33°C (91°F), while nights drop to around 26°C (78°F). Around 13 mm of rain falls over the month (very dry), and skies are a mix of sun and cloud. Daytime highs are 2°C warmer than August and about the same as October.
What stands out in September
- September sits in Darwin's drier season — usually a comfortable time to visit.
- It's one of the drier months, with about 90% less rain than Darwin's average.
- September is Darwin's second warmest month.
- Even after dark it stays around 26°C, so sleeping can feel warm.
Avg high
33°C
91°F
Avg low
26°C
78°F
Rainfall
13 mm
very dry
Humidity
60%
relative
Sky
44%
cloud · a mix of sun and cloud
Darwin weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 30°C / 86°F | 28°C / 82°F | 390 mm | 81% | 90% |
| February | 30°C / 86°F | 28°C / 82°F | 293 mm | 81% | 85% |
| March | 30°C / 87°F | 27°C / 81°F | 256 mm | 80% | 82% |
| April | 31°C / 88°F | 26°C / 79°F | 90 mm | 74% | 62% |
| May | 31°C / 87°F | 24°C / 75°F | 24 mm | 68% | 52% |
| June | 30°C / 86°F | 22°C / 71°F | 2 mm | 59% | 45% |
| July | 30°C / 86°F | 22°C / 72°F | 1 mm | 55% | 40% |
| August | 31°C / 88°F | 23°C / 73°F | 1 mm | 54% | 38% |
| September | 33°C / 91°F | 26°C / 78°F | 13 mm | 60% | 44% |
| October | 33°C / 92°F | 28°C / 82°F | 58 mm | 64% | 51% |
| November | 32°C / 90°F | 29°C / 83°F | 134 mm | 69% | 68% |
| December | 31°C / 89°F | 29°C / 83°F | 235 mm | 75% | 87% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
Is September a good time to visit Darwin?
Compare the months in the chart above to find your ideal window.
Best time to visit Darwin →Other Australia cities in September
Cite or embed this data
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Darwin weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/australia/darwin/september
<a href="https://weathercompare.eu/weather/australia/darwin/september">Darwin weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/australia/darwin" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Darwin weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/australia/darwin/september">Darwin weather in September</a> – WeatherCompare</p>
Darwin in September: quick answers
Is September a good time to visit Darwin?
It can be, if you like heat: September highs in Darwin are around 33°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Darwin in September?
Average highs are about 33°C (91°F) and average lows about 26°C (78°F), based on 10 years of daily data.
Does it rain a lot in Darwin in September?
Darwin typically gets around 13 mm of rain in September — very dry.
Figures are long-term averages for the area around Darwin (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.