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CheckWeather AUCairnsSeptember

Cairns weather in September

Long-run climate averages for Cairns, Queensland in September, plus what the forecast models say for the days ahead.

September at a glance

In September, Cairns averages 27°C by day and 19°C at night. The wettest month is usually December.

September in Cairns averages a daytime high of 27°C and an overnight low of 19°C, which reads as warm for this part of the world. Across the whole year Cairns sees roughly 2395 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 Cairns forecast with every model compared and how much they currently agree.

Cairns weather by month

what to expect in Cairns through the year

Here is Cairns'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 Cairns by season.

Jan
31°
24°
Hot
Feb
30°
24°
Hot
Mar
30°
24°
Hot
Apr
29°
23°
Hot
May
26°
20°
Warm
Jun
26°
18°
Warm
Jul
25°
18°
Warm
Aug
25°
17°
Warm
Sep
27°
19°
Warm
Oct
29°
20°
Hot
Nov
30°
21°
Hot
Dec
31°
24°
Hot
Wettest

Common questions

How warm is Cairns in September?
Cairns averages a daytime high of 27°C in September, with overnight lows around 19°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 Cairns?
The most comfortable time to visit Cairns is usually May, June, July and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest December rain is behind you.
Does it rain a lot in Cairns in September?
The wettest month in Cairns is usually December. Across the year the city sees roughly 2395 mm of precipitation.

Cairns in other months

More about Cairns