World Resorts Australia Darwin Weather

Darwin weather in September

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.

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

Sunniest months:
July 29 days
August 29 days
June 27 days
Warmest months:
November 91.4 °F
October 91.4 °F
December 90.4 °F
Warmest sea temp:
December 88.3 °F
November 87.8 °F
January 86.6 °F
Coldest months:
June 85.6 °F
July 85.8 °F
August 87.0 °F
Rainiest months:
January 18 days
March 17 days
February 16 days
Windiest months:
January 10.4 mph
May 9.8 mph
June 9.6 mph

Darwin on a weather map

Darwin
+88°F
W 7 mph
Feels like: +97°F
Precip.: 0%
Places in Australia:
Name
°F
+73°F
+84°F
+79°F
+88°F
+93°F
+86°F
+77°F
+72°F
+84°F
+55°F
+79°F
24 Hours Forecast
Darwin
Local time: 12:57
December 05, friday
1500
86°F
S
9 mph
1800
84°F
S
11 mph
2100
82°F
SW
6 mph
December 06, saturday
0000
81°F
SW
8 mph
0300
81°F
W
6 mph
0600
81°F
W
3 mph
0900
86°F
W
3 mph
1200
88°F
SW
2 mph
Units of measurement: °C / °F