Singapore Weather in September
In September, Singapore averages a high of 32°C (89°F) and a low of 25°C (76°F), from 28 years of daily records (1981–2025).
32°C
Average high
89°F
25°C
Average low
76°F
35°C
Record high
94°F · September 17, 1997
21°C
Record low
70°F · September 13, 1986
What September Is Like in Singapore
- A typical September brings 27 days above 30°C (86°F).
- The coldest September reading, 21°C (70°F) on September 13, 1986, has not been matched in 39 years.
- The warmest September in the record was 1997; the coldest was 1981.
At least 1 mm of rain falls on 40% of September days, and the month averages 114 mm in total.
Warmest: 2000 (32.6°C)Latest: 2016 (32.1°C)10-year averageLong-run average (31.6°C)
Look Up a Day in September
See the weather in Singapore on any September date, year by year.
Source: NOAA GHCN-Daily, Singapore Changi Intl (1981–2025). Averages cover 1981–2025. How we compute this