Weather Comparison
Singapore vs Bali
Side-by-side weather comparison for September
September Weather: Singapore vs Bali
| Metric | Singapore | Bali | Better |
|---|---|---|---|
| Average HighHigher is warmer | 30°C (86°F) | 30°C (86°F) | Tie |
| Average LowHigher is milder | 23°C (73°F) | 23°C (73°F) | Tie |
| Rain DaysFewer is drier | 12 days | 12 days | Tie |
| PrecipitationLess is drier | 140 mm | 140 mm | Tie |
| Sunshine HoursMore is sunnier | 4h/day | 4h/day | Tie |
| HumidityLower is more comfortable | 82% | 82% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 15 km/h | 15 km/h | Tie |
Which City is Better in September?
Singapore and Bali are closely matched in September. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.
Singapore can feel quite hot at 30°C, so plan for heat. Bali runs hot at 30°C.
For travelers who prioritize dry weather, both cities are equally dry in September.
Temperature Comparison in September
Singapore reaches an average high of 30°C (86°F) and drops to 23°C (73°F) at night during September. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Bali averages 30°C (86°F) for the high and 23°C (73°F) for the low, with a daily range of 7°C. The two cities feel quite similar in terms of temperature.
Singapore is in the Northern Hemisphere while Bali is in the Southern Hemisphere. This means they experience opposite seasons, which explains any large temperature difference.
Rainfall Comparison in September
Singapore receives approximately 140 mm of rainfall across 12 rain days during September. You can expect rain roughly every other day.
Bali sees 140 mm over 12 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 82%.
What to Pack: Singapore vs Bali
Packing for Singapore in September
Highs of 30°C, lows of 23°C, 12 rain days
- ✓lightweight breathable clothing
- ✓sunscreen SPF 50+
- ✓sunglasses
- ✓a wide-brimmed hat
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
- ✓moisture-wicking fabrics
Packing for Bali in September
Highs of 30°C, lows of 23°C, 12 rain days
- ✓lightweight breathable clothing
- ✓sunscreen SPF 50+
- ✓sunglasses
- ✓a wide-brimmed hat
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
- ✓moisture-wicking fabrics
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, waterproof jacket, compact umbrella, waterproof shoes, moisture-wicking fabrics. These items are useful in either destination during September.
Year-Round Comparison: Singapore vs Bali
The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.September is highlighted for quick reference.
| Month | Singapore | Bali | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 28°C | 7d | 32°C | 17d |
| Feb | 29°C | 9d | 31°C | 15d |
| Mar | 30°C | 12d | 30°C | 12d |
| Apr | 31°C | 15d | 29°C | 9d |
| May | 32°C | 17d | 28°C | 7d |
| Jun | 32°C | 18d | 28°C | 6d |
| Jul | 32°C | 17d | 28°C | 7d |
| Aug | 31°C | 15d | 29°C | 9d |
| Sep | 30°C | 12d | 30°C | 12d |
| Oct | 29°C | 9d | 31°C | 15d |
| Nov | 28°C | 7d | 32°C | 17d |
| Dec | 28°C | 6d | 32°C | 18d |
Singapore Weather in September
Full forecast, packing tips, and activities
Bali Weather in September
Full forecast, packing tips, and activities