Average high
31.5°
Gopalganj weather in September
Late monsoon, early autumn · 2020–2024 averages
September in Gopalganj is late monsoon, early autumn: days average 31.5°C and nights 25.6°C, with about 338 mm of rain over 27 days and roughly 8.3 hours of sunshine a day. Around mid-month the sun rises at 5:46 AM and sets at 6:05 PM, a 12.3-hour day.
Average low
25.6°
Rainfall
338 mm
Rainy days
27
Sunshine / day
8.3 h
Hottest day (2020–24)
35.1°
Coldest night (2020–24)
23.8°
Wettest single day
72 mm
Sunrise
5:46 AM
Sunset
6:05 PM
Day length
12.3 h
What to expect
- Warm days, with highs around 31.5°C.
- This is monsoon: about 338 mm of rain over 27 days, often as heavy afternoon or overnight downpours.
- Roughly 8.3 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, Gopalganj ranks 21st of 64 districts for rainfall — roughly 14 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 40th, with highs about the same as 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 41 mm less rain. October then turns similar and drier.
What is the weather like in Gopalganj in September?
September in Gopalganj is late monsoon, early autumn: days average 31.5°C and nights 25.6°C, with about 338 mm of rain over 27 days and roughly 8.3 hours of sunshine a day. Around mid-month the sun rises at 5:46 AM and sets at 6:05 PM, a 12.3-hour day.
Is September a good time to visit Gopalganj?
It is peak monsoon, with about 338 mm of rain. Good for haors, waterfalls and green landscapes; poor for beaches and hill trekking.
Does it rain in Gopalganj in September?
Yes — on about 27 days, around 338 mm in total; the wettest single day in 2020–24 brought 72 mm.
How hot is Gopalganj in September?
Average highs of 31.5°C and lows of 25.6°C; the hottest September day in 2020–24 reached 35.1°C.
Today's live forecast for Gopalganj →
Month by month
| Months | High / Low | Rainfall | Rainy days | Sunshine / day |
|---|---|---|---|---|
| January | 24.4° / 12.9° | 11 mm | 2 | 9.2 |
| February | 27.4° / 15° | 20 mm | 3 | 9.8 |
| March | 32.3° / 20° | 51 mm | 7 | 10.2 |
| April | 35.5° / 24.2° | 98 mm | 10 | 10.6 |
| May | 33.7° / 25.3° | 204 mm | 18 | 9.9 |
| June | 32.6° / 26.5° | 326 mm | 26 | 7.7 |
| July | 31.9° / 26.2° | 280 mm | 30 | 8.9 |
| August | 31.3° / 25.8° | 379 mm | 28 | 7.6 |
| September | 31.5° / 25.6° | 338 mm | 27 | 8.3 |
| October | 31.1° / 23.8° | 234 mm | 16 | 9.1 |
| November | 28.9° / 18.3° | 36 mm | 2 | 9.9 |
| December | 25.7° / 14.7° | 24 mm | 2 | 9.3 |
Gopalganj climate: the whole year · Bangladesh weather in September · Farming weather