Singapore in September
Grand Prix season
By Daan · Last reviewed October 2026
The short answer
September is a reasonable month in Singapore — with trade-offs.
September is warm and fairly settled, and the Formula 1 night race is held in September or October.
September in detail
What September actually feels like
- Weather
- 25–32°C
- Hot and humid, with moderate rain.
- Crowds
- Moderate
- Moderate, with a spike on race weekend.
- Prices
- $$$
- Hotels near Marina Bay jump on race weekend.
+Night race atmosphere if it falls this month.
–Haze is possible in some years.
My tip for September
Check the race date: Marina Bay hotels sell out and roads close.
- Events
- Food
How September compares
Against the other eleven months
4th of 12 overall in Singapore, 4th for weather, 6th for space, 10th for value. The emptiest month is March; the best value is April.
See all twelve months for SingaporePlan around
What’s on in Singapore in September
- Grand Prix weekend
- The Formula 1 night race closes roads around Marina Bay and pushes hotel prices up. Check the date before you book.
- Haze
- Smoke from regional forest fires can drift over the city. Check the air quality before outdoor plans.
September or October
Some years, around August–October
Not set on September?
Even stronger months in Singapore
Also good in September
Weather
Weather in Singapore in September
In September Singapore averages a high of 32°C (90°F) and a low of 25°C (77°F), with about 125 mm of rain or snow over 13 wet days. The warmest month is February (around 32°C) and the coolest is January (around 31°C); the wettest month is December.
- Average high
- 32°C
- 90°F
- Average low
- 25°C
- 77°F
- Precipitation
- 125 mm
- Wet days
- 13
Climate data: Meteorological Service Singapore (Changi, 1991–2020). Temperatures are averages of daily highs and lows.
Quick answers
Singapore in September: the questions people ask
- Is September a good time to visit Singapore?
- September is a reasonable month in Singapore — with trade-offs. It ranks 4 of 12 months in Singapore overall (4 for weather, 6 for space, 10 for value). The main upside: Night race atmosphere if it falls this month. The main downside: Haze is possible in some years.
- What is the weather like in Singapore in September?
- Average highs are around 32°C and lows around 25°C. Expect about 125 mm of rain or snow over roughly 13 wet days. Hot and humid, with moderate rain. For comparison, the warmest month is February (around 32°C) and the coolest is January (around 31°C).
- Is Singapore crowded in September?
- Crowds are moderate. Moderate, with a spike on race weekend. The quietest month is March.
- How expensive is Singapore in September?
- Prices are at level 3 of 5 ($$$). Hotels near Marina Bay jump on race weekend. The best-value month is April.
- When is the best time to visit Singapore?
- In the CrowdFreeViews month scores, February is the best month overall (September ranks 4 of 12). The quietest month is March and the best value is April.
Ready to book September in Singapore?
Night race atmosphere if it falls this month.
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