Measurements:
°C
°F
Sentosa
88°F
N 15 mph
Feels like: 98°F
Precip: 23%
World Resorts Singapore Sentosa Weather

7 Day Weather Forecast

09.14
mon
DAY
88°F
N 12 mph
precip
22%
NIGHT
86°F
W 12 mph
precip
14%
09.15
tue
DAY
88°F
N 12 mph
precip
15%
NIGHT
86°F
W 11 mph
precip
8%
09.16
wed
DAY
90°F
N 10 mph
precip
14%
NIGHT
86°F
W 11 mph
precip
7%
09.17
thu
DAY
88°F
N 14 mph
precip
16%
NIGHT
86°F
W 11 mph
precip
19%
09.18
fri
DAY
88°F
N 5 mph
precip
14%
NIGHT
86°F
SW 7 mph
precip
15%
09.19
sat
DAY
88°F
W 9 mph
precip
12%
NIGHT
86°F
W 11 mph
precip
17%
09.20
sun
DAY
88°F
NW 14 mph
precip
17%
NIGHT
86°F
W 11 mph
precip
18%

Sentosa Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sentosa was 29.4°F. The maximum and minimum values were 29.0°F and 29.7°F respectively.

Sentosa on the Weather Map

Best Time to Visit Sentosa
The most sunny months:
October 11 days
September 11 days
May 10 days
The most warm months:
May 93.5 °F
April 93.1 °F
June 92.5 °F
Warmest sea temperature:
May 90.8 °F
June 90.5 °F
July 89.6 °F
The most cold months:
January 89.1 °F
December 89.9 °F
February 90.0 °F
The most rainy months:
December 18 days
November 16 days
April 14 days
The most windy months:
January 9 mph
February 9 mph
August 9 mph