The month in detail
What to expect in September
September is peak dry season in Whitsundays. The air is warm and humidity more bearable than in the rainy season. Rain is virtually absent (8% of days) — ideal for planning without a backup. A good balance between weather and crowds, even if October (8.7/10) remains theoretically better.
September ranks 3 out of 12 months in Whitsundays. Compared to August: +4°F daytime, +0.5h of sun per day.
This month's conditions
What it's like in September
UV index
8 · high
sunscreen and hat advised
Feels like
muggy at times
18°
Sea
24°C
pleasant for swimming
Daylight
11.9h of daylight
Air quality
good
AQI 27
Compare
Is September the right month?
The best month in Whitsundays is October (8.7/10), 0.1 pt 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 · Whitsundays
Expedia →
Activities
Tours, tickets, experiences
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Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Whitsundays
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 tropical stay.
Country · Australia
🗣️LanguageEnglish
💶CurrencyAustralian Dollar ($)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 81°F
❄️Coolest monthJune · 70°F
🌧️Rainiest month ⓘFebruary · 43%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Whitsundays ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
AustraliaTropical climate with a 8.7 → 5.3 gap between best and worst month. 10 years of ERA5 data to choose by project.
20.28°S · 148.95°E
Questions
Frequently asked questions
What is the best time to visit Whitsundays?
October is the best month with 77°F highs, 72°F lows, 8.3h of sunshine and 12.0% rainy days. The months of October & November offer comparable conditions.
How many hours of sunshine does Whitsundays get in October?
Whitsundays averages 8.3 sunshine hours per day in October. It is the sunniest month with a climate score of 8.2/10.
What is the rainiest month in Whitsundays?
February is the most unfavourable month with February has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Whitsundays in October?
In October, overnight lows reach 72°F, while afternoon highs average 77°F.
Is Whitsundays good in winter?
In winter (December-February), Whitsundays scores 5.3/10 on average — Difficult period — prefer the peak season.. The best month overall remains October with a score of 8.2/10.
When should you avoid Whitsundays?
February is the most difficult month to visit Whitsundays, with February has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Whitsundays in September?
In September, the sea averages 74°F in Whitsundays: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in Whitsundays in September?
The average UV index reaches 8 in September in Whitsundays (high), with about 11.9h of daylight. Sunscreen and hat advised.