Sembawang Estate in Fall
In fall (September, October and November), Sembawang Estate sees average daytime highs around 30°C and overnight lows near 25°C, with 746 mm of rain over about 79 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Across fall, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 3% of the time across fall, and the air most often feels miserable.
Fall is Sembawang Estate's 3rd-best season to visit on our travel score. Sembawang Estate has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Sembawang Estate's year-round climate.
- Avg daytime high
- 30°C
- 2nd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 746 mm
- 79 wet days
- Avg wind
- 7 km/h
- Travel score
- 2.9
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Sembawang Estate in Fall
Across fall, daytime highs hold fairly steady around 30°C.
A typical fall day in Sembawang Estate reaches about 30°C and drops to 25°C overnight. The warmest of the three months is October, the coolest November.
How fall really feels in Sembawang Estate
Once humidity and wind are folded in, fall brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Sembawang Estate weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 24° | 200 | 21.7 | 11.9 | 3.7 |
| Feb | 30° / 24° | 132 | 17.2 | 12 | 3.7 |
| Mar | 31° / 24° | 209 | 23.6 | 12 | 3.1 |
| Apr | 31° / 25° | 243 | 27.6 | 12 | 2.6 |
| May | 31° / 25° | 217 | 28 | 12.1 | 2.7 |
| Jun | 30° / 25° | 174 | 24.8 | 12.1 | 3.0 |
| Jul | 30° / 25° | 162 | 24.1 | 12.1 | 3.3 |
| Aug | 30° / 25° | 167 | 24.8 | 12 | 3.3 |
| Sep | 30° / 25° | 170 | 23.7 | 12 | 3.2 |
| Oct | 30° / 25° | 242 | 26.5 | 12 | 2.9 |
| Nov | 30° / 24° | 334 | 28.4 | 11.9 | 2.7 |
| Dec | 29° / 24° | 313 | 27.3 | 11.9 | 3.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 3% of the time across fall.
Chance of precipitation in Fall
Sembawang Estate gets around 746 mm of rain over 79 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 hours in early September to 11 h 54 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.8 kWh/m².
Is fall a good time to visit Sembawang Estate?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Sembawang Estate.
What to pack for Sembawang Estate in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Sembawang Estate sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 79 days see rain.
Sea temperature near Sembawang Estate in Fall
The nearest coast averages about 29°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 34 km away) is warmest in May at about 30°C and coldest in January near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in Sembawang Estate in Fall
Clear-sky midday UV across fall averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sembawang Estate peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 10 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 15 | 14 | 14 | 12 | 10 | 10 | 12 | 11 | 12 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Sembawang Estate in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Sembawang Estate is worst in September — around 46 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (February, 21 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 21 | 21 | 26 | 32 | 35 | 33 | 37 | 40 | 46 | 43 | 29 | 22 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 21 | Moderate |
| Feb | 21 | Moderate |
| Mar | 26 | Moderate |
| Apr | 32 | Moderate |
| May | 35 | Moderate |
| Jun | 33 | Moderate |
| Jul | 37 | Poor |
| Aug | 40 | Poor |
| Sep | 46 | Poor |
| Oct | 43 | Poor |
| Nov | 29 | Moderate |
| Dec | 22 | Moderate |
Where is Sembawang Estate?
Sembawang Estate sits at 1.5°N, 103.8°E, 18 m above sea level, in Singapore. The nearest listed city is Sungai Simpang, 1.0 km away.
Topography around Sembawang Estate
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sembawang Estate.
Within 3 km, the terrain around Sembawang Estate has only modest variations in elevation — a maximum elevation change of 57 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 218 m; within 80 km, large variations in elevation — a maximum elevation change of 1,020 m.
The land around Sembawang Estate is covered by artificial surfaces (39%), trees (25%) and water (25%) within 3 km, artificial surfaces (38%) and trees (36%) within 16 km, and water (50%) and trees (40%) within 80 km.
Singapore travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / G / M
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $98,814
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 0.1
- per 100k, 2023
- Road deaths
- 2.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sembawang Estate (1.4508°, 103.8286°, elevation 18 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.