Month guide · Perth · Australia
Perth in September
What September is really like in Perth: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Gnan garra, CC BY 2.5 au
Quick answer
September is one of the best months to visit Perth. Expect average highs of 20°C (68°F), lows of 9°C (48°F), about 11 rainy days and roughly 11.9 hours of daylight. Spring wildflowers at their peak in Kings Park and inland; changeable but brightening weather.
Key facts
- Average high / low
- 20°C (68°F) / 9°C (48°F)
- Rainy days
- About 11
- Daylight
- About 11.9 hours
- Sea temperature
- 18°C (64°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in September
September is the 9th-warmest month in Perth: days average 20°C (68°F) against a yearly average high of 25°C (77°F), and nights fall to about 9°C (48°F). Rain falls on roughly 11 of its 30 days. Compared with August (19°C (66°F)), September is about as warm; by October highs climb to around 23°C (73°F).
- Sunrise (15 September)
- About 06:15
- Sunset (15 September)
- About 18:08
- Daylight
- About 11.9 hours
- Sea
- 18°C (64°F)
Summer (December–February). Hot, dry and sunny with sea-breeze afternoons and occasional 40°C heatwaves; festivals, beaches and busy school holidays.
Crowds and prices
On a 1–5 scale, September rates 3 for crowds (the peak is January at 4) and 3 for hotel prices (highest in January). Prices sit in the middle of the year's range.
Events in September
- Kings Park Festival — wildflower displays (usually September)
- Perth Royal Show (usually late September to early October)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Waterfront · Perth CBD
Elizabeth Quay and the Bell Tower
Climb the Bell Tower for river views, then catch the ferry across to South Perth for the skyline from the other side.
- Time needed
- 1–2 hours
- Cost
- Free
- Free
- After dark
- Views
- Kids
Market · Fremantle
Fremantle Markets
A Victorian market hall opened in 1897 on the corner of South Terrace and Henderson Street, with around 150 stalls of produce, crafts, food and buskers on Friday to Sunday and public holidays.
- Time needed
- 1–1.5 hours
- Cost
- Free
- Free
- Food
- Shopping
- History
Historic site · Fremantle
Round House
Visit around 1pm, when the time ball and a cannon are traditionally fired on the hilltop.
- Time needed
- 30 minutes
- Cost
- Free
- Free
- History
- Views
Zoo · South Perth
Perth Zoo
A short ferry ride across the river from Elizabeth Quay, the zoo has an Australian bushwalk with kangaroos and wallabies walking freely, a nocturnal house, and Asian and African animal areas, all in established gardens.
- Time needed
- 3 hours
- Cost
- Mid-priced
- Kids
- Nature
- Outdoors
What to pack
For highs near 20°C, lows near 9°C and 11 wet days: light layers for the day and a light jacket for the evening; a packable rain jacket for showers; comfortable walking shoes.
Is September a good time to visit Perth?
One of the best months to visit Perth, with 2 notable events on the calendar. The other best months are March–April and October–November. Compare every month.
Perth in other months
Questions travellers ask
+Is September a good time to visit Perth?
It is one of the best months to visit Perth. Spring wildflowers at their peak in Kings Park and inland; changeable but brightening weather.
+How warm is Perth in September?
Average highs are around 20°C (68°F) and lows around 9°C (48°F).
+Does it rain a lot in Perth in September?
Expect rain on about 11 days of the month.