Weather Comparison
Bangkok vs Singapore
Side-by-side weather comparison for September
September Weather: Bangkok vs Singapore
| Metric | Bangkok | Singapore | 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?
Bangkok and Singapore 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.
Bangkok can feel quite hot at 30°C, so plan for heat. Singapore runs hot at 30°C.
For travelers who prioritize dry weather, both cities are equally dry in September.
Temperature Comparison in September
Bangkok 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.
Singapore 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.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.
Rainfall Comparison in September
Bangkok receives approximately 140 mm of rainfall across 12 rain days during September. You can expect rain roughly every other day.
Singapore 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: Bangkok vs Singapore
Packing for Bangkok 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 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
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: Bangkok vs Singapore
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 | Bangkok | Singapore | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 28°C | 7d | 28°C | 7d |
| Feb | 29°C | 9d | 29°C | 9d |
| Mar | 30°C | 12d | 30°C | 12d |
| Apr | 31°C | 15d | 31°C | 15d |
| May | 32°C | 17d | 32°C | 17d |
| Jun | 32°C | 18d | 32°C | 18d |
| Jul | 32°C | 17d | 32°C | 17d |
| Aug | 31°C | 15d | 31°C | 15d |
| Sep | 30°C | 12d | 30°C | 12d |
| Oct | 29°C | 9d | 29°C | 9d |
| Nov | 28°C | 7d | 28°C | 7d |
| Dec | 28°C | 6d | 28°C | 6d |
Bangkok Weather in September
Full forecast, packing tips, and activities
Singapore Weather in September
Full forecast, packing tips, and activities