The month in detail
What to expect in September
In September, Bali sees 28°C during the day with 6.8h of sunshine per day. Expect rain on 29% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. July (8.2/10) is significantly better if possible.
September ranks 3 out of 12 months in Bali.
This month's conditions
What it's like in September
UV index
9 · very high
protection essential
Feels like
very humid
22°
Sea
27°C
warm, ideal
Daylight
12.0h of daylight
Air quality
good
AQI 25
Compare
Is September the right month?
The best month in Bali is July (8.2/10), 2.5 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 · Bali
Expedia →
Activities
Tours, tickets, experiences
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Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Bali
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 · Indonesia
🗣️LanguageIndonesian
💶CurrencyRoupie indonésienne (Rp)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘVery cheap · 1/5
🌡️ Climate
🌍Climate typeEquatorial tropical
📈Climate trend ⓘStable
🔥Hottest monthNovember · 30°C
❄️Coolest monthJuly · 27°C
🌧️Rainiest month ⓘFebruary · 63%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘNone (equator)
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Bali ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
IndonesiaEquatorial tropical climate with a 8.2 → 4.7 gap between best and worst month. 10 years of ERA5 data to choose by project.
8.67°S · 115.21°E
Questions
Frequently asked questions
What is the best time to visit Bali?
July is the best month with 27.0°C highs, 23.0°C lows, 6.7h of sunshine and 26.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Bali get in July?
Bali averages 6.7 sunshine hours per day in July. It is the sunniest month with a climate score of 7.8/10.
What is the rainiest month in Bali?
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 Bali in July?
In July, overnight lows reach 23.0°C, while afternoon highs average 27.0°C.
Is Bali good in winter?
In winter (December-February), Bali scores 4.6/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 7.8/10.
When should you avoid Bali?
February is the most difficult month to visit Bali, 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 Bali in September?
In September, the sea averages 27°C in Bali: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Bali in September?
The average UV index reaches 9 in September in Bali (very high), with about 12.0h of daylight. Protection essential.