September in Bali averages highs of 28 °C (82 °F) and lows of 23 °C (73 °F), with about 11 rainy days and 12 h 04 min of daylight. The sea is warm, around 28 °C (83 °F).
September weather in Bali at a glance
average high to low each dot ≈ 3 rainy days
Is September a good time to visit Bali?
Mixed weather: comfortably warm and wet. September is usually shoulder season in Bali: fewer crowds than peak months, with prices often a little lower.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in September 2026
No public holidays fall in September 2026 in Indonesia, so opening hours should be normal.
Things to do in Bali in September
With frequent rain in September, here are the indoor picks first, then the outdoor ones for drier spells.
- Ubud Palace and market — crafts and evening dance shows indoors
- Ubud and the Tegallalang rice terraces — early morning outdoors
- Uluwatu Temple and Kecak dance — at sunset outdoors
- Tirta Empul water temple — bring a sarong outdoors
- Mount Batur sunrise hike — start around 3–4am outdoors
- Beaches of Seminyak and Canggu — surf lessons outdoors
- Beach and swimming — the sea averages 28 °C (83 °F) in September. outdoors
Where to stay: Ubud for rice terraces and culture; Seminyak or Canggu for beaches and cafés; Uluwatu for cliffs and surf.
What to pack for Bali in September
- Summer clothes, sunglasses and sunscreen.
- An umbrella or a light waterproof: about 11 days this month see real rain.
- Swimwear.
- Clothes that cover shoulders and knees for mosques and temples.
- Comfortable walking shoes.
What a day in Bali costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | €25–60 | €80–200 |
Excluding flights. September is usually shoulder season in Bali: fewer crowds than peak months, with prices often a little lower.
September in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Singapore | 30° / 25° | 19 | Tough month |
| Bangkok | 31° / 25° | 24 | Tough month |
| Kyoto | 28° / 20° | 12 | Mixed weather |
Plan your Bali trip
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FAQ
Is September a good time to visit Bali?
By the numbers, September is a mixed month: comfortably warm and wet, with average highs of 28 °C (82 °F) and about 11 rainy days. September is usually shoulder season in Bali: fewer crowds than peak months, with prices often a little lower. The best months for weather are June, July, August, September.
How warm is Bali in September?
Average highs are 28 °C (82 °F) and lows 23 °C (73 °F) (2015–2024 averages). The sea is warm, around 28 °C (83 °F).
Does it rain a lot in Bali in September?
Expect about 11 days with 2 mm of rain or more, about 73 mm in total. It is the driest month of the year in Bali.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights. In the tropics, reanalysis data tends to count more light-rain days than local weather stations do; rain there often comes as short afternoon downpours.