Average high
31.9°
Chapai Nawabganj weather in September
Late monsoon, early autumn · 2020–2024 averages
September in Chapai Nawabganj is late monsoon, early autumn: days average 31.9°C and nights 25.8°C, with about 307 mm of rain over 24 days and roughly 8.1 hours of sunshine a day. Around mid-month the sun rises at 5:52 AM and sets at 6:12 PM, a 12.3-hour day.
Average low
25.8°
Rainfall
307 mm
Rainy days
24
Sunshine / day
8.1 h
Days ≥ 35°C
1
Hottest day (2020–24)
36.2°
Coldest night (2020–24)
24.1°
Wettest single day
53 mm
Sunrise
5:52 AM
Sunset
6:12 PM
Day length
12.3 h
What to expect
- Warm days, with highs around 31.9°C.
- This is monsoon: about 307 mm of rain over 24 days, often as heavy afternoon or overnight downpours.
- Roughly 8.1 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, Chapai Nawabganj ranks 39th of 64 districts for rainfall — roughly 17 mm drier than the national average; the wettest district this month is Panchagarh (435 mm) and the driest Kishoreganj (261 mm). For heat it ranks 9th, with highs 0.5° above 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 18 mm more rain. October then turns cooler and drier.
What is the weather like in Chapai Nawabganj in September?
September in Chapai Nawabganj is late monsoon, early autumn: days average 31.9°C and nights 25.8°C, with about 307 mm of rain over 24 days and roughly 8.1 hours of sunshine a day. Around mid-month the sun rises at 5:52 AM and sets at 6:12 PM, a 12.3-hour day.
Is September a good time to visit Chapai Nawabganj?
It is peak monsoon, with about 307 mm of rain. Good for haors, waterfalls and green landscapes; poor for beaches and hill trekking.
Does it rain in Chapai Nawabganj in September?
Yes — on about 24 days, around 307 mm in total; the wettest single day in 2020–24 brought 53 mm.
How hot is Chapai Nawabganj in September?
Average highs of 31.9°C and lows of 25.8°C; the hottest September day in 2020–24 reached 36.2°C, and about 1 day top 35°C.
Today's live forecast for Chapai Nawabganj →
Month by month
| Months | High / Low | Rainfall | Rainy days | Sunshine / day |
|---|---|---|---|---|
| January | 23° / 11.7° | 11 mm | 2 | 9.5 |
| February | 26.6° / 13.8° | 23 mm | 2 | 10.3 |
| March | 32.1° / 19° | 32 mm | 4 | 10.6 |
| April | 36.3° / 22.9° | 46 mm | 6 | 10.6 |
| May | 34.1° / 24.7° | 180 mm | 18 | 9.6 |
| June | 34° / 26.6° | 285 mm | 22 | 8 |
| July | 32.8° / 26.5° | 269 mm | 26 | 8.9 |
| August | 32.3° / 26.1° | 289 mm | 28 | 8.9 |
| September | 31.9° / 25.8° | 307 mm | 24 | 8.1 |
| October | 31.2° / 23.4° | 137 mm | 12 | 9.5 |
| November | 28.7° / 17.8° | 4 mm | 1 | 9.8 |
| December | 25° / 13.9° | 6 mm | 1 | 9.4 |
Chapai Nawabganj climate: the whole year · Bangladesh weather in September · Farming weather