Binjai weather in September
In September, Binjai sees average daytime highs of 31°C and overnight lows near 22°C, with 306 mm of rain across 28.6 wet days and about 12 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.
Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels oppressive.
Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Binjai's 9th-clearest and 11th-windiest month. For the whole year in context, see Binjai's year-round climate.
- Daytime high
- 31°
- 7th warmest
- Overnight low
- 22°
- 6th coldest
- Rainfall
- 306 mm
- 28.6 wet days
- Daylight
- 12 hours
- 6:20 AM – 6:21 PM
- Cloud cover
- 89%
- 9th clearest
- Wind
- 4 km/h
- 11th windiest
- Solar energy
- 5.04 kWh/m²
- Travel score
- 2.4
- out of 10
Binjai is city in North Sumatra Province, Indonesia.
- Density
- 3,095/km²
- people per km²
- Founded
- 1872
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 31°C through the month.
A typical September day in Binjai reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 22 |
| 2 | 31 | 22 |
| 3 | 31 | 22 |
| 4 | 31 | 22 |
| 5 | 31 | 22 |
| 6 | 31 | 22 |
| 7 | 31 | 22 |
| 8 | 31 | 22 |
| 9 | 31 | 22 |
| 10 | 31 | 22 |
| 11 | 31 | 22 |
| 12 | 31 | 22 |
| 13 | 31 | 22 |
| 14 | 31 | 22 |
| 15 | 31 | 22 |
| 16 | 31 | 22 |
| 17 | 31 | 22 |
| 18 | 31 | 22 |
| 19 | 31 | 22 |
| 20 | 31 | 22 |
| 21 | 31 | 22 |
| 22 | 31 | 22 |
| 23 | 31 | 22 |
| 24 | 31 | 22 |
| 25 | 31 | 22 |
| 26 | 31 | 22 |
| 27 | 31 | 22 |
| 28 | 31 | 22 |
| 29 | 31 | 22 |
| 30 | 31 | 22 |
How September really feels in Binjai
Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Binjai weather by month
How September compares with the rest of the year at a glance. September is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.
| 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 September
The sky is clear or mostly clear about 0% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 4% of September, with mostly cloudy or overcast conditions the remaining 96%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 |
| Cloudier (%) | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 97 | 97 | 97 | 97 | 97 | 98 | 98 | 98 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 5 | 95 |
| 2 | 5 | 95 |
| 3 | 5 | 95 |
| 4 | 5 | 95 |
| 5 | 5 | 95 |
| 6 | 5 | 95 |
| 7 | 5 | 95 |
| 8 | 5 | 95 |
| 9 | 5 | 95 |
| 10 | 5 | 95 |
| 11 | 5 | 95 |
| 12 | 5 | 95 |
| 13 | 5 | 95 |
| 14 | 5 | 95 |
| 15 | 5 | 95 |
| 16 | 5 | 95 |
| 17 | 5 | 95 |
| 18 | 4 | 96 |
| 19 | 4 | 96 |
| 20 | 4 | 96 |
| 21 | 4 | 96 |
| 22 | 4 | 96 |
| 23 | 3 | 97 |
| 24 | 3 | 97 |
| 25 | 3 | 97 |
| 26 | 3 | 97 |
| 27 | 3 | 97 |
| 28 | 2 | 98 |
| 29 | 2 | 98 |
| 30 | 2 | 98 |
Chance of precipitation in September
Binjai gets around 306 mm of rain over 28.6 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 95% and peaks near 96% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 93 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 |
| Rain chance (%) | |
|---|---|
| 1 | 93 |
| 2 | 94 |
| 3 | 94 |
| 4 | 94 |
| 5 | 95 |
| 6 | 95 |
| 7 | 95 |
| 8 | 95 |
| 9 | 95 |
| 10 | 95 |
| 11 | 95 |
| 12 | 95 |
| 13 | 95 |
| 14 | 95 |
| 15 | 95 |
| 16 | 95 |
| 17 | 95 |
| 18 | 95 |
| 19 | 95 |
| 20 | 95 |
| 21 | 95 |
| 22 | 95 |
| 23 | 95 |
| 24 | 95 |
| 25 | 95 |
| 26 | 96 |
| 27 | 96 |
| 28 | 96 |
| 29 | 96 |
| 30 | 96 |
Humidity in September
Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the oppressive band about 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 99 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 1 | 98 | 1 |
| 2 | 1 | 98 | 1 |
| 3 | 1 | 98 | 1 |
| 4 | 1 | 98 | 1 |
| 5 | 1 | 98 | 1 |
| 6 | 1 | 98 | 1 |
| 7 | 1 | 98 | 1 |
| 8 | 1 | 98 | 1 |
| 9 | 1 | 98 | 1 |
| 10 | 1 | 98 | 1 |
| 11 | 1 | 98 | 1 |
| 12 | 0 | 99 | 1 |
| 13 | 0 | 99 | 1 |
| 14 | 0 | 99 | 1 |
| 15 | 0 | 99 | 1 |
| 16 | 0 | 99 | 1 |
| 17 | 0 | 99 | 1 |
| 18 | 0 | 99 | 1 |
| 19 | 0 | 99 | 1 |
| 20 | 0 | 99 | 1 |
| 21 | 0 | 99 | 1 |
| 22 | 0 | 99 | 1 |
| 23 | 0 | 99 | 1 |
| 24 | 0 | 99 | 1 |
| 25 | 0 | 99 | 1 |
| 26 | 0 | 99 | 1 |
| 27 | 0 | 100 | 0 |
| 28 | 0 | 100 | 0 |
| 29 | 0 | 100 | 0 |
| 30 | 0 | 99 | 1 |
Wind in September
Winds average 4 km/h in September.
Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over September. Sunrise moves from 6:24 AM to 6:16 AM, and sunset from 6:28 PM to 6:15 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunrise (AM) | 6:24 | 6:23 | 6:23 | 6:23 | 6:23 | 6:22 | 6:22 | 6:22 | 6:22 | 6:21 | 6:21 | 6:21 | 6:21 | 6:20 | 6:20 | 6:20 | 6:20 | 6:19 | 6:19 | 6:19 | 6:18 | 6:18 | 6:18 | 6:18 | 6:17 | 6:17 | 6:17 | 6:17 | 6:16 | 6:16 |
| Sunset (PM) | 6:28 | 6:27 | 6:27 | 6:27 | 6:26 | 6:26 | 6:25 | 6:25 | 6:24 | 6:24 | 6:23 | 6:23 | 6:22 | 6:22 | 6:21 | 6:21 | 6:20 | 6:20 | 6:20 | 6:19 | 6:19 | 6:18 | 6:18 | 6:17 | 6:17 | 6:16 | 6:16 | 6:15 | 6:15 | 6:15 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.1 | 6:24 | 6:28 |
| 2 | 12.1 | 6:23 | 6:27 |
| 3 | 12.1 | 6:23 | 6:27 |
| 4 | 12.1 | 6:23 | 6:27 |
| 5 | 12.1 | 6:23 | 6:26 |
| 6 | 12.1 | 6:22 | 6:26 |
| 7 | 12.0 | 6:22 | 6:25 |
| 8 | 12.0 | 6:22 | 6:25 |
| 9 | 12.0 | 6:22 | 6:24 |
| 10 | 12.0 | 6:21 | 6:24 |
| 11 | 12.0 | 6:21 | 6:23 |
| 12 | 12.0 | 6:21 | 6:23 |
| 13 | 12.0 | 6:21 | 6:22 |
| 14 | 12.0 | 6:20 | 6:22 |
| 15 | 12.0 | 6:20 | 6:21 |
| 16 | 12.0 | 6:20 | 6:21 |
| 17 | 12.0 | 6:20 | 6:20 |
| 18 | 12.0 | 6:19 | 6:20 |
| 19 | 12.0 | 6:19 | 6:20 |
| 20 | 12.0 | 6:19 | 6:19 |
| 21 | 12.0 | 6:18 | 6:19 |
| 22 | 12.0 | 6:18 | 6:18 |
| 23 | 12.0 | 6:18 | 6:18 |
| 24 | 12.0 | 6:18 | 6:17 |
| 25 | 12.0 | 6:17 | 6:17 |
| 26 | 12.0 | 6:17 | 6:16 |
| 27 | 12.0 | 6:17 | 6:16 |
| 28 | 12.0 | 6:17 | 6:15 |
| 29 | 12.0 | 6:16 | 6:15 |
| 30 | 12.0 | 6:16 | 6:15 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.04 kWh/m².
For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 5.37 kWh/m² in March across the year — September's 5.04 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.1 | Bright |
| 2 | 5.1 | Bright |
| 3 | 5.1 | Bright |
| 4 | 5.1 | Bright |
| 5 | 5.1 | Bright |
| 6 | 5.1 | Bright |
| 7 | 5.1 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.1 | Bright |
| 10 | 5.1 | Bright |
| 11 | 5.1 | Bright |
| 12 | 5.1 | Bright |
| 13 | 5.1 | Bright |
| 14 | 5.1 | Bright |
| 15 | 5.0 | Bright |
| 16 | 5.0 | Bright |
| 17 | 5.0 | Bright |
| 18 | 5.0 | Bright |
| 19 | 5.0 | Bright |
| 20 | 5.0 | Bright |
| 21 | 5.0 | Bright |
| 22 | 5.0 | Bright |
| 23 | 5.0 | Bright |
| 24 | 5.0 | Bright |
| 25 | 4.9 | Bright |
| 26 | 4.9 | Bright |
| 27 | 4.9 | Bright |
| 28 | 4.9 | Bright |
| 29 | 4.8 | Bright |
| 30 | 4.8 | Bright |
Hazard calendar for Binjai
In September, Binjai sits inside 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 September a good time to visit Binjai?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Binjai.
What to pack for Binjai in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Binjai sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.
Sea temperature near Binjai in September
The nearest coast averages about 30°C in September — 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 September
Clear-sky midday UV in September peaks around 14 (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 September
Average fine-particle pollution (PM2.5) through the year — so you can see where September 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).