Bali (Denpasar) in September
In September, Bali (Denpasar) averages 31°C (88°F) during the day and 22°C (72°F) at night, with around 6 days of rain (65 mm total).
High seasonConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
September in Bali (Denpasar) is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How September compares to the rest of the year in Bali (Denpasar)
September is in the middle of the year for warmth in Bali (Denpasar) (8th of 12) and one of the driest months (10th of 12). Daytime temperature matches the city's annual average. September runs 1°C warmer than August (30°C) and warms a further 1°C into October (32°C).
September sunrise & sunset in Bali (Denpasar)
Times shown for Bali (Denpasar) local time (Asia/Makassar), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Bali (Denpasar) — September
Golden-hour and blue-hour windows for the 15th of September, in Bali (Denpasar)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Bali (Denpasar) in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (High season) and Bali (Denpasar)'s popularity.
Crowds & pricing — September in Bali (Denpasar)
This is a busy month in Bali (Denpasar) — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: comfortable tourism weather beach-season conditions
Sun & mosquito risk — September in Bali (Denpasar)
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Bali (Denpasar) — September
Across the year Bali (Denpasar)'s sea swings from 27°C (August) to 30.1°C (December) — September sits at 27.3°C.
Bali (Denpasar) in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 31°C / 88°F | 24°C / 75°F | 345 mm | 17 | — |
| February | 31°C / 88°F | 24°C / 75°F | 275 mm | 16 | — |
| March | 32°C / 90°F | 24°C / 75°F | 260 mm | 14 | — |
| April | 32°C / 90°F | 24°C / 75°F | 110 mm | 10 | — |
| May | 32°C / 90°F | 23°C / 73°F | 75 mm | 8 | — |
| June | 30°C / 86°F | 22°C / 72°F | 65 mm | 6 | — |
| July | 30°C / 86°F | 21°C / 70°F | 45 mm | 5 | — |
| August | 30°C / 86°F | 21°C / 70°F | 20 mm | 3 | — |
| September | 31°C / 88°F | 22°C / 72°F | 65 mm | 6 | — |
| October | 32°C / 90°F | 23°C / 73°F | 75 mm | 9 | — |
| November | 32°C / 90°F | 23°C / 73°F | 175 mm | 13 | — |
| December | 31°C / 88°F | 24°C / 75°F | 285 mm | 16 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Bali (Denpasar) in September →
Frequently asked questions
How hot is Bali (Denpasar) in September?
In September, Bali (Denpasar) averages a high of 31°C (88°F) and a low of 22°C (72°F) — generally hot.
Does it rain a lot in Bali (Denpasar) in September?
September sees occasional rain in Bali (Denpasar), with about 6 rainy days on average.
Is September a good time to visit Bali (Denpasar)?
September is hot. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Bali (Denpasar) in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full September packing list for Bali (Denpasar) for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.