Weather in Darwin: September
| Average day temperature: | 89.4°F | |
| Average night temperature: | 76.7°F | |
| Sea water temperature: | 82.5°F | |
| Number of sunny days: | 25 days | |
| Day length: | 11.9 - 12.2 hours | |
| Number of rainy days: | 1 day | |
| Precipitation totals: | 0.8 in. | |
| more information | ||
14 days
forecast
forecast
| Darwin |
sea water
temperature
temperature
| Darwin |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 90°F. At the same time the lowest night temperature was 70°F. Daily and nightly averages during September were 87.2°F and 76.8°F.
Sea water temperature in Darwin in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 82.9°F. The highest and lowest sea temperatures during the month were 84.9°F and 80.8°F.
Sunny, partly cloudy and cloudy days
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Darwin in September is 1.1 in.
Wind speed in September, mph
The average wind speed value in September is 8.1 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 9.5.
Best time for vacation in Darwin
Darwin on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Darwin
Local time: 12:57
December 05, friday
1500

86°F
S
9 mph
9 mph
1800

84°F
S
11 mph
11 mph
2100

82°F
SW
6 mph
6 mph
December 06, saturday
0000

81°F
SW
8 mph
8 mph
0300

81°F
W
6 mph
6 mph
0600

81°F
W
3 mph
3 mph
0900

86°F
W
3 mph
3 mph
1200

88°F
SW
2 mph
2 mph



























