Bali · AutumnMonth summary
Bali weather in September
✅ Good
🌡️ Temperature min / max
73°F – 82°F
🌧 Rainy days
64% of days
☀️ Sunshine
11.5h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.6/10
📅 📅 Best month
July (7.6/10)
Quick decision
Should you visit Bali in September?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: Favourable conditions in September (7.6/10). July scores higher but the gap is small.
By trip type
Bali in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
Autumn in Bali is often underrated: 28°F, golden light and declining crowds. An interesting window. With 64% of rainy days, always have indoor alternatives planned. A good balance between weather and crowds, even if July (7.6/10) remains theoretically better.
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All months for Bali
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌧️ January | 75°F | 84°F | 90% | 0.4in | 9.9h | 7.0/10 |
| 🌦️ February | 75°F | 84°F | 92% | 0.5in | 10.3h | 7.0/10 |
| 🌦️ March | 75°F | 84°F | 86% | 0.3in | 10.9h | 7.1/10 |
| ⛅ April | 75°F | 84°F | 74% | 0.2in | 11.2h | 7.2/10 |
| ⛅ May | 75°F | 84°F | 70% | 0.2in | 11.1h | 7.3/10 |
| ⛅ June | 75°F | 82°F | 65% | 0.1in | 11.0h | 7.5/10 |
| 🌤️ July | 73°F | 81°F | 59% | 0.1in | 11.0h | 7.6/10 |
| ⛅ August | 73°F | 81°F | 64% | 0.1in | 11.0h | 7.5/10 |
| ⛅ September | 73°F | 82°F | 64% | 0.1in | 11.5h | 7.6/10 |
| ⛅ October | 75°F | 84°F | 66% | 0.1in | 12.0h | 7.4/10 |
| ⛅ November | 75°F | 86°F | 83% | 0.3in | 11.5h | 7.0/10 |
| 🌦️ December | 75°F | 84°F | 87% | 0.4in | 10.9h | 7.0/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Bali averages 82°F, 64% rainy days and 11.5h of sunshine per day. Overall weather score: 7.6/10.
See methodology →
Comparison
September vs July (best month)
The best month is July (score 7.6/10). Difference:
- 🌡️ Max temperature : -1°F
- 🌧 Rainy days : -5%
- ☀️ Sunshine : -0.5h/day
FAQ
FAQ — Bali in September
Is September a good time to visit Bali?
September is an excellent time to visit Bali (score 7.6/10). With 82°F, 11.5h of sunshine and 64% rain, conditions are very favourable.
Does it rain a lot in Bali in September?
Yes, 64% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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Activities & tours
Activities and tours in Bali
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