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Weather Comparison

Singapore vs Bangkok

Side-by-side weather comparison for September

Singapore: 29°CBangkok: 31°C1,427 km apart

September Weather: Singapore vs Bangkok

MetricSingaporeBangkokBetter
Average HighHigher is warmer29°C (84°F)31°C (88°F)Bangkok
Average LowHigher is milder25°C (77°F)25°C (77°F)Tie
Rain DaysFewer is drier24 days26 daysSingapore
PrecipitationLess is drier171 mm241 mmSingapore
Sunshine HoursMore is sunnier10h/day9h/daySingapore
HumidityLower is more comfortable82%82%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better13 km/h13 km/hTie

Which City is Better in September?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Singapore edges ahead as the better destination in September. Singapore offers 10 hours of daily sunshine with only 24 rain days, while Bangkok sees 9 sunshine hours and 26 rain days.

Singapore can feel quite hot at 29°C, so plan for heat. Bangkok runs hot at 31°C.

For travelers who prioritize dry weather, Singapore is the stronger choice in September. Singapore receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Temperature Comparison in September

Singapore reaches an average high of 29°C (84°F) and drops to 25°C (77°F) at night during September. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.

Bangkok averages 31°C (88°F) for the high and 25°C (77°F) for the low, with a daily range of 6°C. The 2°C difference is noticeable but not dramatic.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Rainfall Comparison in September

Singapore receives approximately 171 mm of rainfall across 24 rain days during September. Rain is frequent, so waterproof gear is essential.

Bangkok sees 241 mm over 26 rain days. That makes Singapore the drier option by 2 rain days and 70 mm of total precipitation.

Both cities share similar humidity levels at 82%.

What to Pack: Singapore vs Bangkok

Packing for Singapore in September

Highs of 29°C, lows of 25°C, 24 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • moisture-wicking fabrics

Packing for Bangkok in September

Highs of 31°C, lows of 25°C, 26 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 Bangkok

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.

MonthSingaporeBangkok
HighRainHighRain
Jan28°C22d31°C3d
Feb29°C18d32°C3d
Mar29°C24d34°C6d
Apr29°C27d35°C11d
May29°C28d33°C21d
Jun29°C24d32°C22d
Jul28°C24d32°C23d
Aug28°C25d31°C24d
Sep29°C24d31°C26d
Oct29°C26d30°C21d
Nov28°C28d31°C7d
Dec28°C27d31°C2d
29°

Singapore Weather in September

Full forecast, packing tips, and activities

31°

Bangkok Weather in September

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Singapore warmer than Bangkok in September?
No. In September, Bangkok is warmer with an average high of 31°C (88°F) compared to Singapore at 29°C (84°F), a difference of 2°C.
Which city gets more rain in September, Singapore or Bangkok?
Bangkok gets more rain in September with 26 rain days and 241 mm of precipitation. Singapore is the drier option with 24 rain days.
Is it better to visit Singapore or Bangkok in September?
It depends on your preferences. Singapore averages 29°C and 10 hours of daily sunshine with 24 rain days. Bangkok averages 31°C with 9 sunshine hours and 26 rain days. If you prefer cooler conditions, choose Bangkok. For drier weather, Singapore is the better pick.
How far apart are Singapore and Bangkok?
Singapore and Bangkok are approximately 1,427 km (886 miles) apart. Singapore is located in Singapore (Asia) while Bangkok is in Thailand (Asia).
What is the best month to visit Singapore and Bangkok?
For Singapore, February tends to be the best month with 10 hours of daily sunshine and a high of 29°C. For Bangkok, January is typically ideal with 11 sunshine hours and 31°C highs.

Compare Singapore and Bangkok in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Singapore coordinates: 1.35°N, 103.82°E | Bangkok coordinates: 13.76°N, 100.50°E