Singapore Weather in September

Thinking of visiting Singapore in September? Expect very high temperatures reaching 30°C (86°F) during the day, dropping to 26°C (79°F) at night. Heavy showers are common during the rainy season.

Rainfall in Singapore in September

As part of the rainy season, Singapore sees around 15 days of rain in September, with an average of 176 mm (6.9 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Singapore in September

Daytime temperatures in Singapore reach 30°C (86°F) in September, dropping to 26°C (79°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Singapore in September

The city usually sees around 156 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

Wind Speed in Singapore in September

Average wind conditions reach 1 m/s (2 knots) in September. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

Average water temperature in September

The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.

If your ideal day consists of dry skies and pleasant temperatures, January, February, August and September typically offer the best circumstances for Singapore.