Average high
31.8°
Narayanganj weather in September
Late monsoon, early autumn · 2020–2024 averages
September in Narayanganj is late monsoon, early autumn: days average 31.8°C and nights 25.9°C, with about 274 mm of rain over 25 days and roughly 8.6 hours of sunshine a day. Around mid-month the sun rises at 5:43 AM and sets at 6:03 PM, a 12.3-hour day.
Average low
25.9°
Rainfall
274 mm
Rainy days
25
Sunshine / day
8.6 h
Days ≥ 35°C
1
Hottest day (2020–24)
35.5°
Coldest night (2020–24)
23.7°
Wettest single day
53 mm
Sunrise
5:43 AM
Sunset
6:03 PM
Day length
12.3 h
What to expect
- Warm days, with highs around 31.8°C.
- This is monsoon: about 274 mm of rain over 25 days, often as heavy afternoon or overnight downpours.
- Roughly 8.6 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, Narayanganj ranks 60th of 64 districts for rainfall — roughly 50 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 13th, with highs 0.4° 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 63 mm less rain. October then turns cooler and drier.
What is the weather like in Narayanganj in September?
September in Narayanganj is late monsoon, early autumn: days average 31.8°C and nights 25.9°C, with about 274 mm of rain over 25 days and roughly 8.6 hours of sunshine a day. Around mid-month the sun rises at 5:43 AM and sets at 6:03 PM, a 12.3-hour day.
Is September a good time to visit Narayanganj?
It is peak monsoon, with about 274 mm of rain. Good for haors, waterfalls and green landscapes; poor for beaches and hill trekking.
Does it rain in Narayanganj in September?
Yes — on about 25 days, around 274 mm in total; the wettest single day in 2020–24 brought 53 mm.
How hot is Narayanganj in September?
Average highs of 31.8°C and lows of 25.9°C; the hottest September day in 2020–24 reached 35.5°C, and about 1 day top 35°C.
Today's live forecast for Narayanganj →
Month by month
| Months | High / Low | Rainfall | Rainy days | Sunshine / day |
|---|---|---|---|---|
| January | 24° / 12.8° | 10 mm | 2 | 9.3 |
| February | 26.9° / 14.9° | 12 mm | 3 | 9.7 |
| March | 32° / 19.8° | 38 mm | 6 | 10.3 |
| April | 34.7° / 24.1° | 89 mm | 9 | 10.5 |
| May | 32.9° / 25.2° | 224 mm | 18 | 9.6 |
| June | 31.8° / 26.4° | 332 mm | 27 | 7.4 |
| July | 32° / 26.4° | 243 mm | 28 | 8.7 |
| August | 31.5° / 26° | 337 mm | 28 | 7.8 |
| September | 31.8° / 25.9° | 274 mm | 25 | 8.6 |
| October | 31.2° / 24° | 227 mm | 17 | 9.1 |
| November | 29.2° / 18.3° | 41 mm | 2 | 9.9 |
| December | 25.7° / 14.7° | 40 mm | 2 | 9.2 |
Places to visit in Narayanganj
Narayanganj climate: the whole year · Bangladesh weather in September · Farming weather