Average high
30.9°
Barisal weather in September
Late monsoon, early autumn · 2020–2024 averages
September in Barisal is late monsoon, early autumn: days average 30.9°C and nights 26°C, with about 316 mm of rain over 26 days and roughly 8.4 hours of sunshine a day. Around mid-month the sun rises at 5:45 AM and sets at 6:03 PM, a 12.3-hour day.
Average low
26°
Rainfall
316 mm
Rainy days
26
Sunshine / day
8.4 h
Hottest day (2020–24)
34.4°
Coldest night (2020–24)
24°
Wettest single day
57 mm
Sunrise
5:45 AM
Sunset
6:03 PM
Day length
12.3 h
What to expect
- Pleasant days: highs around 30.9°C.
- This is monsoon: about 316 mm of rain over 26 days, often as heavy afternoon or overnight downpours.
- Roughly 8.4 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, Barisal ranks 36th of 64 districts for rainfall — about the national average; the wettest district this month is Panchagarh (435 mm) and the driest Kishoreganj (261 mm). For heat it ranks 52nd, with highs 0.5° 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 as warm as August, with roughly 143 mm less rain. October then turns similar and drier.
What is the weather like in Barisal in September?
September in Barisal is late monsoon, early autumn: days average 30.9°C and nights 26°C, with about 316 mm of rain over 26 days and roughly 8.4 hours of sunshine a day. Around mid-month the sun rises at 5:45 AM and sets at 6:03 PM, a 12.3-hour day.
Is September a good time to visit Barisal?
It is peak monsoon, with about 316 mm of rain. Good for haors, waterfalls and green landscapes; poor for beaches and hill trekking.
Does it rain in Barisal in September?
Yes — on about 26 days, around 316 mm in total; the wettest single day in 2020–24 brought 57 mm.
How hot is Barisal in September?
Average highs of 30.9°C and lows of 26°C; the hottest September day in 2020–24 reached 34.4°C.
Today's live forecast for Barisal →
Month by month
| Months | High / Low | Rainfall | Rainy days | Sunshine / day |
|---|---|---|---|---|
| January | 24.2° / 14.3° | 10 mm | 2 | 9.4 |
| February | 27.6° / 16.4° | 15 mm | 2 | 9.8 |
| March | 32.2° / 21.1° | 38 mm | 7 | 10.4 |
| April | 34.8° / 24.8° | 78 mm | 8 | 10.9 |
| May | 33° / 25.7° | 191 mm | 18 | 10 |
| June | 31.5° / 26.6° | 341 mm | 26 | 7.7 |
| July | 30.9° / 26.4° | 306 mm | 29 | 9 |
| August | 30.6° / 26° | 459 mm | 29 | 7.5 |
| September | 30.9° / 26° | 316 mm | 26 | 8.4 |
| October | 30.6° / 24.6° | 241 mm | 16 | 9.2 |
| November | 28.4° / 19.7° | 46 mm | 2 | 10 |
| December | 25.2° / 15.9° | 20 mm | 1 | 9.3 |
Barisal climate: the whole year · Bangladesh weather in September · Farming weather