Late Southwest Monsoon
September weather in Singapore
One of the drier months. Sumatra squalls still occur. Haze can linger if the dry season is strong over Sumatra and Kalimantan.
Mean temperature
28°C
25.2 to 31.6°C
Rainfall
124.9 mm
13 rain days
Humidity / wind
80.7%
2.1 m/s mean wind
Thunder / lightning
14 / 12
days in a typical month
Compared with the year
- Rain vs annual monthly share6%
- Hottest month of the yearMay (28.6°C)
- Wettest month of the yearDecember (331.9 mm)
- Driest month of the yearFebruary (105.1 mm)
Normals from Changi Climate Station, 1991-2020.