Binjai in Fall
In fall (September, October and November), Binjai sees average daytime highs around 30°C and overnight lows near 22°C, with 1002 mm of rain over about 87 wet days across the season. It is the 3rd-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 0% of the time across fall, and the air most often feels oppressive.
Fall is Binjai's 2nd-best season to visit on our travel score. For the whole year in context, see Binjai's year-round climate.
- Avg daytime high
- 30°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 1002 mm
- 87 wet days
- Avg wind
- 4 km/h
- Travel score
- 2.5
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Binjai in Fall
Across fall, daytime highs hold fairly steady around 30°C.
A typical fall day in Binjai reaches about 30°C and drops to 22°C overnight. The warmest of the three months is September, the coolest September.
How fall really feels in Binjai
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.
Binjai 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 | 30° / 22° | 237 | 26.3 | 11.8 | 3.1 |
| Feb | 30° / 22° | 178 | 22 | 11.9 | 3.1 |
| Mar | 31° / 22° | 211 | 25.4 | 12 | 2.8 |
| Apr | 31° / 22° | 253 | 28.1 | 12.1 | 2.4 |
| May | 32° / 22° | 266 | 28 | 12.2 | 2.3 |
| Jun | 32° / 22° | 189 | 24.4 | 12.2 | 2.5 |
| Jul | 32° / 22° | 186 | 24.9 | 12.2 | 2.6 |
| Aug | 32° / 22° | 213 | 26.8 | 12.1 | 2.4 |
| Sep | 31° / 22° | 306 | 28.6 | 12 | 2.4 |
| Oct | 30° / 22° | 338 | 29.6 | 11.9 | 2.5 |
| Nov | 30° / 22° | 358 | 28.8 | 11.8 | 2.7 |
| Dec | 29° / 22° | 345 | 28.7 | 11.8 | 2.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 0% of the time across fall.
Chance of precipitation in Fall
Binjai gets around 1002 mm of rain over 87 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 4 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 06 min in early September to 11 h 48 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 4.5 kWh/m².
Hazard calendar for Binjai
In fall, Binjai overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Binjai sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Is fall a good time to visit Binjai?
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 Binjai.
What to pack for Binjai in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Binjai sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 87 days see rain.
Sea temperature near Binjai 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 53 km away) is warmest in June at about 30°C and coldest in January near 29°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) | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Binjai 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 Binjai peaks around February 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 10 (extreme).
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) | 12 | 14 | 14 | 12 | 12 | 11 | 10 | 11 | 14 | 12 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 14 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Binjai 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 Binjai is worst in March — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 28 | 30 | 34 | 34 | 32 | 31 | 31 | 31 | 34 | 34 | 28 | 26 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 28 | Moderate |
| Feb | 30 | Moderate |
| Mar | 34 | Moderate |
| Apr | 34 | Moderate |
| May | 32 | Moderate |
| Jun | 31 | Moderate |
| Jul | 31 | Moderate |
| Aug | 31 | Moderate |
| Sep | 34 | Moderate |
| Oct | 34 | Moderate |
| Nov | 28 | Moderate |
| Dec | 26 | Moderate |
Where is Binjai?
Binjai sits at 3.6°N, 98.5°E, 34 m above sea level, in Indonesia. The nearest listed city is Sunggal, 15 km away.
Topography around Binjai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Binjai.
Within 3 km, the terrain around Binjai has only modest variations in elevation — a maximum elevation change of 35 m around an average of 36 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 153 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,973 m.
The land around Binjai is covered by trees (57%) and artificial surfaces (38%) within 3 km, trees (70%) within 16 km, and trees (66%) and water (21%) within 80 km.
Indonesia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,060
- 2025
- Happiness
- 5.6 / 10
- World Happiness, 2025
- Safe drinking water
- 30%
- of population, 2024
- Homicide rate
- 0.3
- per 100k, 2022
- Road deaths
- 11.3
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 471
- 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 Binjai (3.6001°, 98.4854°, elevation 34 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.