Ceduna weather in September 2026

Q: How hot is it in Ceduna in September?

Daytime temperatures usually reach 18°C in Ceduna in September, falling to 9°C at night.

Q: How sunny is it in Ceduna in September?

There are normally 7 hours of bright sunshine each day in Ceduna in September - that's 59% of daylight hours.

Q: How warm is the sea around Ceduna in September?

The average sea temperature around Ceduna in September is 14°C.

Q: Does it rain in Ceduna in September?

There are usually 8 days with some rain in Ceduna in September and the average monthly rainfall is 53mm.

Expect daytime maximum temperatures of 70°F in Ceduna, South Australia in September based on long-term weather averages. There are 8 hours of sunshine per day on average.

70
70°F max day temperature
8
8 hours of sunshine per day
7
7 days with some rainfall
46
46°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
1.1
1.1 inches of monthly rainfall
6
6 (High) UV index
59
59°F sea temperature

More about Ceduna

Ceduna by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Australia

Cathay Pacific sale: Return flights from £519pp

Sale

Book return flights from £519 per person with Cathay Pacific
Fly to Hong Kong, Japan, Australia, Indonesia, Thailand & more
Travel before 7th December 2026 (inclusive)

Go to Cathay Pacific deal >>

Expires at 23:59 on Saturday 7th Feb 2026 · View all Cathay Pacific offers

The September weather guide for South Australia (Ceduna) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)