Chittagong weather in September
In September, Chittagong sees average daytime highs of 29°C and overnight lows near 27°C, with 340 mm of rain across 25.6 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 7% of the time in September, and the air most often feels miserable.
Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Chittagong's 9th-clearest and 5th-windiest month. For the whole year in context, see Chittagong's year-round climate.
- Daytime high
- 29°
- 5th warmest
- Overnight low
- 27°
- 9th coldest
- Rainfall
- 340 mm
- 25.6 wet days
- Daylight
- 12 h 06 min
- 5:43 AM – 5:51 PM
- Cloud cover
- 83%
- 9th clearest
- Wind
- 15 km/h
- 5th windiest
- Solar energy
- 4.27 kWh/m²
- Travel score
- 3.3
- out of 10
Chittagong is second largest city of Bangladesh, situated at the southwestern part of the country.
- Air quality
- Severe
- PM2.5 56.4 µg/m³ · 2018
- Density
- 24,351/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 29°C through the month.
A typical September day in Chittagong reaches about 29°C in the afternoon and slips back to 27°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, September runs on par with 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 27 |
| 2 | 29 | 27 |
| 3 | 29 | 27 |
| 4 | 29 | 27 |
| 5 | 29 | 27 |
| 6 | 29 | 27 |
| 7 | 29 | 27 |
| 8 | 29 | 27 |
| 9 | 29 | 27 |
| 10 | 29 | 27 |
| 11 | 29 | 27 |
| 12 | 29 | 27 |
| 13 | 29 | 27 |
| 14 | 29 | 27 |
| 15 | 29 | 27 |
| 16 | 29 | 27 |
| 17 | 29 | 27 |
| 18 | 29 | 27 |
| 19 | 29 | 27 |
| 20 | 29 | 27 |
| 21 | 29 | 27 |
| 22 | 29 | 27 |
| 23 | 29 | 27 |
| 24 | 29 | 27 |
| 25 | 29 | 27 |
| 26 | 29 | 27 |
| 27 | 29 | 27 |
| 28 | 29 | 27 |
| 29 | 29 | 27 |
| 30 | 29 | 27 |
How September really feels in Chittagong
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.
Chittagong weather by month
How September compares with the rest of the year at a glance. September is the 5th-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 | 23° / 18° | 6 | 0.8 | 10.8 | 9.3 |
| Feb | 25° / 20° | 14 | 1.8 | 11.2 | 9.0 |
| Mar | 28° / 24° | 46 | 4.4 | 11.8 | 7.6 |
| Apr | 29° / 26° | 98 | 9.4 | 12.5 | 5.7 |
| May | 30° / 27° | 291 | 20.5 | 13.1 | 4.1 |
| Jun | 29° / 27° | 583 | 26.8 | 13.3 | 3.1 |
| Jul | 29° / 27° | 606 | 29.3 | 13.2 | 3.0 |
| Aug | 29° / 27° | 454 | 28.7 | 12.8 | 3.1 |
| Sep | 29° / 27° | 340 | 25.6 | 12.1 | 3.3 |
| Oct | 29° / 26° | 203 | 17.3 | 11.5 | 4.8 |
| Nov | 27° / 23° | 48 | 3.9 | 10.9 | 7.8 |
| Dec | 25° / 19° | 12 | 1.2 | 10.7 | 9.1 |
Cloud cover in September
The sky is clear or mostly clear about 7% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 84%. Skies tend to open up as the month goes on.
| 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 (%) | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 16 | 17 | 17 | 19 | 20 | 22 | 22 | 24 | 26 | 28 | 29 | 30 | 32 |
| Cloudier (%) | 92 | 92 | 92 | 92 | 91 | 90 | 90 | 89 | 89 | 89 | 88 | 88 | 88 | 88 | 87 | 87 | 86 | 84 | 83 | 83 | 81 | 80 | 78 | 78 | 76 | 74 | 72 | 71 | 70 | 68 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 8 | 92 |
| 2 | 8 | 92 |
| 3 | 8 | 92 |
| 4 | 8 | 92 |
| 5 | 9 | 91 |
| 6 | 10 | 90 |
| 7 | 10 | 90 |
| 8 | 11 | 89 |
| 9 | 11 | 89 |
| 10 | 11 | 89 |
| 11 | 12 | 88 |
| 12 | 12 | 88 |
| 13 | 12 | 88 |
| 14 | 12 | 88 |
| 15 | 13 | 87 |
| 16 | 13 | 87 |
| 17 | 14 | 86 |
| 18 | 16 | 84 |
| 19 | 17 | 83 |
| 20 | 17 | 83 |
| 21 | 19 | 81 |
| 22 | 20 | 80 |
| 23 | 22 | 78 |
| 24 | 22 | 78 |
| 25 | 24 | 76 |
| 26 | 26 | 74 |
| 27 | 28 | 72 |
| 28 | 29 | 71 |
| 29 | 30 | 70 |
| 30 | 32 | 68 |
Chance of precipitation in September
Chittagong gets around 340 mm of rain over 25.6 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 86% and peaks near 91% on the wettest days. The odds ease toward the end of the month.
| 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 (%) | 91 | 91 | 90 | 90 | 89 | 89 | 89 | 88 | 88 | 87 | 87 | 87 | 87 | 86 | 86 | 86 | 86 | 86 | 85 | 85 | 84 | 83 | 83 | 82 | 82 | 81 | 81 | 80 | 79 | 79 |
| Rain chance (%) | |
|---|---|
| 1 | 91 |
| 2 | 91 |
| 3 | 90 |
| 4 | 90 |
| 5 | 89 |
| 6 | 89 |
| 7 | 89 |
| 8 | 88 |
| 9 | 88 |
| 10 | 87 |
| 11 | 87 |
| 12 | 87 |
| 13 | 87 |
| 14 | 86 |
| 15 | 86 |
| 16 | 86 |
| 17 | 86 |
| 18 | 86 |
| 19 | 85 |
| 20 | 85 |
| 21 | 84 |
| 22 | 83 |
| 23 | 83 |
| 24 | 82 |
| 25 | 82 |
| 26 | 81 |
| 27 | 81 |
| 28 | 80 |
| 29 | 79 |
| 30 | 79 |
Humidity in September
Most of September feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the miserable 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 |
| Miserable (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 98 | 98 | 97 | 97 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 0 | 100 |
| 2 | 0 | 100 |
| 3 | 0 | 100 |
| 4 | 0 | 100 |
| 5 | 0 | 100 |
| 6 | 0 | 100 |
| 7 | 0 | 100 |
| 8 | 0 | 100 |
| 9 | 0 | 100 |
| 10 | 0 | 100 |
| 11 | 0 | 100 |
| 12 | 0 | 100 |
| 13 | 0 | 100 |
| 14 | 0 | 100 |
| 15 | 0 | 100 |
| 16 | 0 | 100 |
| 17 | 0 | 100 |
| 18 | 1 | 99 |
| 19 | 1 | 99 |
| 20 | 1 | 99 |
| 21 | 1 | 99 |
| 22 | 1 | 99 |
| 23 | 1 | 99 |
| 24 | 2 | 98 |
| 25 | 2 | 98 |
| 26 | 2 | 98 |
| 27 | 2 | 98 |
| 28 | 2 | 98 |
| 29 | 3 | 97 |
| 30 | 3 | 97 |
Wind in September
Winds average 15 km/h in September.
Across September, daily wind ranges from about 11 km/h on the calmest days to 18 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) | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 18 | light breeze |
| 2 | 18 | light breeze |
| 3 | 18 | light breeze |
| 4 | 17 | light breeze |
| 5 | 17 | light breeze |
| 6 | 17 | light breeze |
| 7 | 17 | light breeze |
| 8 | 17 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 12 | light breeze |
| 26 | 12 | light breeze |
| 27 | 12 | calm |
| 28 | 12 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 30 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over September. Sunrise moves from 5:39 AM to 5:47 AM, and sunset from 6:06 PM to 5:37 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) | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 |
| Sunrise (AM) | 5:39 | 5:39 | 5:39 | 5:40 | 5:40 | 5:40 | 5:41 | 5:41 | 5:41 | 5:41 | 5:42 | 5:42 | 5:42 | 5:43 | 5:43 | 5:43 | 5:43 | 5:44 | 5:44 | 5:44 | 5:45 | 5:45 | 5:45 | 5:46 | 5:46 | 5:46 | 5:46 | 5:47 | 5:47 | 5:47 |
| Sunset (PM) | 6:06 | 6:05 | 6:04 | 6:03 | 6:02 | 6:01 | 6:00 | 5:59 | 5:58 | 5:57 | 5:56 | 5:55 | 5:54 | 5:53 | 5:52 | 5:51 | 5:50 | 5:49 | 5:48 | 5:47 | 5:46 | 5:45 | 5:44 | 5:43 | 5:42 | 5:41 | 5:40 | 5:39 | 5:38 | 5:37 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.5 | 5:39 | 6:06 |
| 2 | 12.4 | 5:39 | 6:05 |
| 3 | 12.4 | 5:39 | 6:04 |
| 4 | 12.4 | 5:40 | 6:03 |
| 5 | 12.4 | 5:40 | 6:02 |
| 6 | 12.3 | 5:40 | 6:01 |
| 7 | 12.3 | 5:41 | 6:00 |
| 8 | 12.3 | 5:41 | 5:59 |
| 9 | 12.3 | 5:41 | 5:58 |
| 10 | 12.3 | 5:41 | 5:57 |
| 11 | 12.2 | 5:42 | 5:56 |
| 12 | 12.2 | 5:42 | 5:55 |
| 13 | 12.2 | 5:42 | 5:54 |
| 14 | 12.2 | 5:43 | 5:53 |
| 15 | 12.1 | 5:43 | 5:52 |
| 16 | 12.1 | 5:43 | 5:51 |
| 17 | 12.1 | 5:43 | 5:50 |
| 18 | 12.1 | 5:44 | 5:49 |
| 19 | 12.1 | 5:44 | 5:48 |
| 20 | 12.0 | 5:44 | 5:47 |
| 21 | 12.0 | 5:45 | 5:46 |
| 22 | 12.0 | 5:45 | 5:45 |
| 23 | 12.0 | 5:45 | 5:44 |
| 24 | 12.0 | 5:46 | 5:43 |
| 25 | 11.9 | 5:46 | 5:42 |
| 26 | 11.9 | 5:46 | 5:41 |
| 27 | 11.9 | 5:46 | 5:40 |
| 28 | 11.9 | 5:47 | 5:39 |
| 29 | 11.8 | 5:47 | 5:38 |
| 30 | 11.8 | 5:47 | 5:37 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.27 kWh/m².
For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 6.16 kWh/m² in April across the year — September's 4.27 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) | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 |
| 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 | 4.2 | Bright |
| 2 | 4.2 | Bright |
| 3 | 4.2 | Bright |
| 4 | 4.2 | Bright |
| 5 | 4.2 | Bright |
| 6 | 4.2 | Bright |
| 7 | 4.2 | Bright |
| 8 | 4.2 | Bright |
| 9 | 4.2 | Bright |
| 10 | 4.2 | Bright |
| 11 | 4.2 | Bright |
| 12 | 4.2 | Bright |
| 13 | 4.2 | Bright |
| 14 | 4.2 | Bright |
| 15 | 4.3 | Bright |
| 16 | 4.3 | Bright |
| 17 | 4.3 | Bright |
| 18 | 4.3 | Bright |
| 19 | 4.3 | Bright |
| 20 | 4.3 | Bright |
| 21 | 4.3 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.3 | Bright |
| 26 | 4.3 | Bright |
| 27 | 4.3 | Bright |
| 28 | 4.4 | Bright |
| 29 | 4.4 | Bright |
| 30 | 4.4 | Bright |
Hazard calendar for Chittagong
In September, Chittagong sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.
Chittagong sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Chittagong's monsoon runs May–September, when most of the year's rain falls.
Is September a good time to visit Chittagong?
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 Chittagong.
What to pack for Chittagong in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Chittagong sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. About 26 days see rain.
Sea temperature near Chittagong in September
The nearest coast averages about 29°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 22 km away) is warmest in October at about 29°C and coldest in January near 22°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) | 22 | 23 | 26 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 27 | 24 |
| Comfort | Refreshing | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 26 | Warm |
| Apr | 28 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 27 | Warm |
| Dec | 24 | Refreshing |
UV index in Chittagong in September
Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Chittagong peaks around July 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 6 (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) | 6 | 7 | 8 | 8 | 10 | 8 | 13 | 11 | 9 | 6 | 7 | 6 |
| Level | High | High | Very high | Very high | Extreme | Very high | Extreme | Extreme | Very high | High | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 7 | High |
| Mar | 8 | Very high |
| Apr | 8 | Very high |
| May | 10 | Extreme |
| Jun | 8 | Very high |
| Jul | 13 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Chittagong 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 Chittagong is worst in January — around 117 µg/m³ PM2.5 (unhealthy), about 5.3× the cleanest month (July, 22 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Chittagong's WHO annual average of 56.4 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 117 | 92 | 79 | 49 | 34 | 27 | 22 | 26 | 26 | 43 | 67 | 95 |
| Level | Unhealthy | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 117 | Unhealthy |
| Feb | 92 | Unhealthy |
| Mar | 79 | Unhealthy |
| Apr | 49 | Poor |
| May | 34 | Moderate |
| Jun | 27 | Moderate |
| Jul | 22 | Moderate |
| Aug | 26 | Moderate |
| Sep | 26 | Moderate |
| Oct | 43 | Poor |
| Nov | 67 | Unhealthy |
| Dec | 95 | Unhealthy |
Where is Chittagong?
Chittagong sits at 22.3°N, 91.8°E, 15 m above sea level, in Bangladesh. The nearest listed city is Cox's Bazar, 102 km away.
Topography around Chittagong
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chittagong.
Within 3 km, the terrain around Chittagong has only modest variations in elevation — a maximum elevation change of 60 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 96 m; within 80 km, large variations in elevation — a maximum elevation change of 893 m.
The land around Chittagong is covered by artificial surfaces (62%) and trees (22%) within 3 km, trees (43%) and water (27%) within 16 km, and trees (53%) and water (33%) within 80 km.
Bangladesh travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / C / D / G
- 220 V · 50 Hz
- Prices
- ≈ 25% of US
- price level, 2025
- GDP per capita
- $2,597
- 2025
- Happiness
- 4.3 / 10
- World Happiness, 2025
- Safe drinking water
- 59%
- of population, 2024
- Homicide rate
- 2.3
- per 100k, 2018
- Road deaths
- 15.3
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Moderate
- EF EPI 506
- 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 Chittagong (22.3384°, 91.8317°, elevation 15 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).