Average high
30.4°
Bandarban weather in September
Late monsoon, early autumn · 2020–2024 averages
September in Bandarban is late monsoon, early autumn: days average 30.4°C and nights 23.5°C, with about 384 mm of rain over 29 days and roughly 7.8 hours of sunshine a day. Around mid-month the sun rises at 5:37 AM and sets at 5:55 PM, a 12.3-hour day.
Average low
23.5°
Rainfall
384 mm
Rainy days
29
Sunshine / day
7.8 h
Hottest day (2020–24)
34.1°
Coldest night (2020–24)
21.4°
Wettest single day
109 mm
Sunrise
5:37 AM
Sunset
5:55 PM
Day length
12.3 h
What to expect
- Pleasant days: highs around 30.4°C.
- This is monsoon: about 384 mm of rain over 29 days, often as heavy afternoon or overnight downpours.
- Roughly 7.8 hours of sunshine a day.
What to pack
- an umbrella or raincoat and quick-drying footwear
- waterproof covers for phones and documents
Compared with the rest of Bangladesh
In September, Bandarban ranks 4th of 64 districts for rainfall — roughly 60 mm wetter than the national average; the wettest district this month is Panchagarh (435 mm) and the driest Kishoreganj (261 mm). For heat it ranks 58th, with highs 1° below the national mean; Kishoreganj is the hottest district in September (32.4°C) and Bandarban has the coldest nights (23.5°C).
Compared with the months around it
September is about 0.9° warmer than August, with roughly 114 mm less rain. October then turns similar and drier.
What is the weather like in Bandarban in September?
September in Bandarban is late monsoon, early autumn: days average 30.4°C and nights 23.5°C, with about 384 mm of rain over 29 days and roughly 7.8 hours of sunshine a day. Around mid-month the sun rises at 5:37 AM and sets at 5:55 PM, a 12.3-hour day.
Is September a good time to visit Bandarban?
It is peak monsoon, with about 384 mm of rain. Good for haors, waterfalls and green landscapes; poor for beaches and hill trekking.
Does it rain in Bandarban in September?
Yes — on about 29 days, around 384 mm in total; the wettest single day in 2020–24 brought 109 mm.
How hot is Bandarban in September?
Average highs of 30.4°C and lows of 23.5°C; the hottest September day in 2020–24 reached 34.1°C.
Today's live forecast for Bandarban →
Month by month
| Months | High / Low | Rainfall | Rainy days | Sunshine / day |
|---|---|---|---|---|
| January | 25.9° / 13° | 10 mm | 2 | 9.6 |
| February | 28.3° / 14.1° | 4 mm | 1 | 10.4 |
| March | 32.9° / 18.6° | 10 mm | 2 | 10.9 |
| April | 35.3° / 21.9° | 26 mm | 5 | 11.3 |
| May | 33.7° / 23.2° | 180 mm | 15 | 10.3 |
| June | 30.4° / 23.8° | 443 mm | 29 | 7.6 |
| July | 30.2° / 24° | 532 mm | 30 | 7.6 |
| August | 29.5° / 23.6° | 498 mm | 30 | 6.2 |
| September | 30.4° / 23.5° | 384 mm | 29 | 7.8 |
| October | 30.8° / 22.6° | 208 mm | 20 | 9.2 |
| November | 30.1° / 19.1° | 38 mm | 4 | 10.2 |
| December | 27.1° / 15.3° | 20 mm | 2 | 9.9 |
Places to visit in Bandarban
Bandarban climate: the whole year · Bangladesh weather in September · Farming weather