The month in detail
What to expect in September
Spring marks the start of the good season in Adelaide. Temperatures rise (61°F) and tourists have not yet arrived en masse. Expect rain on 31% of days — a light raincoat in the bag is recommended.
September ranks 9 out of 12 months in Adelaide. Compared to August: +4°F daytime, 6 pts fewer rainy days, +0.7h of sun per day.
This month's conditions
What it's like in September
UV index
6 · moderate
protect during midday hours
Feels like
dry air
7°
Sea
15°C
cold, for the brave
Daylight
11.8h of daylight
Air quality
good
AQI 21
Compare
Is September the right month?
The best month in Adelaide is January (9.4/10), 4.9 pts higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Adelaide
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Adelaide
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach trip.
Country · Australia
🗣️LanguageEnglish
💶CurrencyAustralian Dollar ($)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 82°F
❄️Coolest monthJune · 57°F
🌧️Rainiest month ⓘJuly · 38%
🏖️ Beach trip
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Adelaide ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
AustraliaTemperate oceanic climate with a 9.4 → 4.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
34.93°S · 138.60°E
Questions
Frequently asked questions
What is the best time to visit Adelaide?
January is the best month with 82°F highs, 61°F lows, 10.5h of sunshine and 10.0% rainy days. The months of January & February offer comparable conditions.
How many hours of sunshine does Adelaide get in January?
Adelaide averages 10.5 sunshine hours per day in January. It is the sunniest month with a climate score of 9.2/10.
What is the rainiest month in Adelaide?
June is the most unfavourable month with June has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Adelaide in January?
In January, overnight lows reach 61°F, while afternoon highs average 82°F.
Is Adelaide good in winter?
In winter (December-February), Adelaide scores 8.8/10 on average — Acceptable conditions for cultural visits.. The best month overall remains January with a score of 9.2/10.
When should you avoid Adelaide?
June is the most difficult month to visit Adelaide, with June has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Adelaide in September?
In September, the sea averages 59°F in Adelaide: cold, for the brave. Best left to hardened swimmers or those with a wetsuit.
Do you need sun protection in Adelaide in September?
The average UV index reaches 6 in September in Adelaide (moderate), with about 11.8h of daylight. Protect during midday hours.