Bali weather in September 2026: what to expect
“Mild and bright — an underrated time to visit.”
Roughly 22 rainy days across the month, on average.
September in Bali sits at the tail end of the dry season, but the island hasn't fully shaken off moisture yet. Daytime highs average 19.8°C (67.6°F) with nights dipping to 12.8°C (55°F)—cool for Bali's standards, especially in the highlands around Ubud. You'll see roughly 116mm of rain spread across about 20 days, usually as short afternoon showers that arrive without warning. Mornings tend to be hazy and humid; by mid-afternoon the clouds roll in, and evenings often bring a cleansing breeze that makes the air feel fresher than it has all year.
The island quiets down noticeably in September. Balinese families are back in school mode after August holidays, beaches see fewer day-trippers, and restaurant tables sit empty by 8pm. Prices drop noticeably—accommodation, tours, and meals cost 10–20% less than peak season. Locals use this month to repair temples and homes before October's busier stretch, so you'll spot more construction scaffolding and renovation work than in other months. It's a working month for Bali, not a celebration one.
Looking at the last decade, September has remained consistently mild and damp—2026 conditions align closely with the 10-year average. Climate data shows no significant shift in rainfall or temperature for this month, meaning you can trust historical travel guides without worrying about unusual extremes.
September suits budget travelers, photographers who love moody light through clouds, and anyone seeking solitude without the tourist crowds. Families with school holidays elsewhere will find Bali refreshingly peaceful. Prepare for occasional rain, pack layers for the temperature swing between day and night, and book accommodations early in 2026 since prices are low but availability shrinks fast once word spreads.
Canggu is expats and Bukit is surfers; real Bali culture concentrates in Sidemen and Amed on the east coast, still untouched by rooftop bars. Nyepi in March shuts everything including airport for 24 silent hours. Never step over an offering (canang sari) on the sidewalk. The best babi guling is Ibu Oka in Ubud only before 1pm; after that it is scraps. Traffic between Ubud and Seminyak takes 2 hours regardless of Google Maps optimism.
What to pack for Bali in September
Temperatures swing from cool mornings to warm afternoons, with frequent rain showers. Layer light fabrics and bring a compact rain jacket. You'll want breathable pieces that dry quickly and a light sweater for air-conditioned spaces and mountain villages.
- Lightweight linen shirt
- Compact rain jacket or poncho
- Quick-dry travel pants
- Merino wool crew socks
- Moisture-wicking base layer
What to pack for Bali in September
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Where to stay in Bali
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Bali across trusted platforms.
Compare hotels on Booking.com→Estimated September trip to Bali
Shoulder-season pricing — a balance of price and conditions. Rule-based estimates from a couple based in London — actual prices vary.
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Delayed flight to Bali?
September sees 120mm of rain here — delays happen. Check if you're eligible for compensation. EU regulations cover flights departing from or arriving in the EU/UK.
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Things worth doing
Rice terrace hikes in Ubud, sunrise beach walks, temple photography during quiet morning hours, volcanic crater treks in cooler mountain air.
September vs. the rest of the year
How this month compares in Bali. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Bali
While September has its own character in Bali, the data-backed best months to visit Bali are July, August. These months combine the most favourable temperatures, rainfall, and sunshine across an 11-year climate record (2015–2025).
See the full best-time-to-visit guide for BaliOther places with a similar climate right now
Read more about Bali
11 complete years of climate data (2015–2025) for Bali — best months for surf, diving, temples, and honeymoons. Which month you visit changes everything.
Five popular destinations where shoulder-season pricing drops 40%+ and the weather actually improves. A data-driven case for the smart traveler.
Bali in September — FAQ
Q01Is September a good time to visit Bali?
Is September a good time to visit Bali?
It is a fair time to visit — expect variable conditions and plan flexibility. In September, Bali averages a high of 20°C (68°F) and a low of 13°C (55°F), with 120mm of rainfall across roughly 22 rainy days. Late April through May: dry season starts, Nyepi silence has passed, Ubud rice terraces are still emerald, and Bukit surf swells build without August crowds.
Q02What is the average temperature in Bali in September?
What is the average temperature in Bali in September?
The average high temperature in Bali during September is 20°C (68°F), with an average low of 13°C (55°F). These figures are averaged from 11 complete years of daily records (2015–2025, Open-Meteo Archive).
Q03How many rainy days does Bali have in September?
How many rainy days does Bali have in September?
Bali averages approximately 22 rainy days in September, with a total monthly rainfall of about 120mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days. January monsoon is not all-day rain but violent 3pm bursts; Kuta streets flood ankle-deep for an hour then drain, scooters wade through.
Q04What should I pack for Bali in September?
What should I pack for Bali in September?
For Bali in September, pack layered clothing for changing temperatures, a compact umbrella or waterproof jacket, comfortable walking shoes. These recommendations are based on 11 complete years of weather averages for this specific month. A sarong that ties at the waist; you'll need it for every temple entry and no rental sarong at Besakih ever smells clean.
Q05How crowded is Bali in September?
How crowded is Bali in September?
Tourist crowds in Bali during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely. Canggu is expats and Bukit is surfers; real Bali culture concentrates in Sidemen and Amed on the east coast, still untouched by rooftop bars. Nyepi in March shuts everything including airport for 24 silent hours. Never step over an offering (canang sari) on the sidewalk. The best babi guling is Ibu Oka in Ubud only before 1pm; after that it is scraps. Traffic between Ubud and Seminyak takes 2 hours regardless of Google Maps optimism.