Hottest (avg)
#2 / 12
Darwin in September
September weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 12h
What to expect
September marks a typically hot period of spring, where the weather is warming up. Daytime highs average 33°C / 92°F, dropping to 23°C / 73°F at night.
The atmosphere is generally sunny and dry, perfect for uninterrupted outdoor plans. The sun is very strong at this time of year, making sun protection essential during the day.
September in context
How it compares to the rest of the year in Darwin.
Wettest (avg)
#8 / 12
Daylight Hours
#7 / 12
Windiest (avg)
#10 / 12
Highest UV
#7 / 12
Most Humid
#8 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 12.0 hours
- UV index (max)
- 9
- Typical sun hours
- 06:40 – 18:42
Rain & Snow
- Total
-
- Rainy days
- 8
- Cloud cover
- 41%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 66%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is September a good time to visit Darwin?
Typical September days in Darwin reach highs of 33°C (91°F) with nights around 23°C (73°F). It usually feels very hot by day and warm after dark. Overall, September sits in the middle of the Darwin climate range.
What are temperatures like in September?
In September, you can usually expect highs of 33°C (91°F) and lows near 23°C (73°F). That means very hot days and warm nights, so pack layers you can add or remove.
How much does it rain in September?
Rainfall in September averages 20 mm (0.79 in) across roughly 8 days. Overall it is a moderately wet time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in September?
You can expect about 12 hours of daylight in September. Sunrise is typically around 06:40 and sunset near 18:42. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in September?
UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.
Is it windy in September?
In September, average wind speeds are around 9 km/h (6 mph), with gusts on the windiest days reaching about 47 km/h (29 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.