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Adelaide weather in September

Long-run climate averages for Adelaide, South Australia in September, plus what the forecast models say for the days ahead.

September at a glance

In September, Adelaide averages 19°C by day and 9°C at night. The wettest month is usually June.

September in Adelaide averages a daytime high of 19°C and an overnight low of 9°C, which reads as mild for this part of the world. Across the whole year Adelaide sees roughly 591 mm of precipitation.

Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Adelaide forecast with every model compared and how much they currently agree.

Adelaide weather by month

what to expect in Adelaide through the year

Here is Adelaide's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Adelaide by season.

Jan
27°
16°
Warm
Feb
28°
16°
Warm
Mar
26°
15°
Warm
Apr
20°
12°
Mild
May
18°
Mild
Jun
15°
Mild
Wettest
Jul
14°
Cool
Aug
17°
Mild
Sep
19°
Mild
Oct
21°
11°
Mild
Nov
24°
13°
Warm
Dec
25°
15°
Warm

Common questions

How warm is Adelaide in September?
Adelaide averages a daytime high of 19°C in September, with overnight lows around 9°C. These are long-run climate averages, not a forecast — for the actual days ahead see the live model comparison.
Is September a good time to visit Adelaide?
The most comfortable time to visit Adelaide is usually March, April, May and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest June rain is behind you.
Does it rain a lot in Adelaide in September?
The wettest month in Adelaide is usually June. Across the year the city sees roughly 591 mm of precipitation.

Adelaide in other months

More about Adelaide