SeasonMapBangladesh in September
September is Bangladesh's 9th-best month (rank 9 of 12): its 5 destinations average 48/100, led by Cox's Bazar at 56 — 35°C and 26 rainy days — while Chittagong is cooler at 30°C and scores 43.
#9 of 12 months for Bangladesh · 5 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Bangladesh in September
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Cox's Bazar | Beach | 35°C | 336 mm · 26 days | 56 tier D | — |
| 2 | Dhaka | City | 38°C | 213 mm · 25 days | 51 tier D | — |
| 3 | Sundarbans | National park | 31°C | 232 mm · 26 days | 50 tier D | — |
| 4 | Chittagong | City | 30°C | 342 mm · 25 days | 43 tier F | — |
| 5 | Sylhet | City | 31°C | 438 mm · 26 days | 41 tier F | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means September is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Bangladesh in September
- Durga Puja · Dhaka · 25 Sep – 25 Oct (usually)
- Ratargul submerged · Sylhet · 1 Jun – 30 Sep (usually)