Cox's Bazar weather in September
September in Cox's Bazar: sweltering, soaked, with clean air — a good time to visit.
#9 of 12 months in Cox's Bazar · #509 of 604 destinations to visit in September · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Cox's Bazar climate normals — September
| Daytime high | 29°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 336 mm / 13.2 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 8 h/day | |
| Daylight | 12.3 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Cox's Bazar?
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Cox's Bazar in September — FAQ
- Is September a good time to visit Cox's Bazar?
- September in Cox's Bazar: sweltering, soaked, with clean air — a good time to visit. It ranks #9 of 12 months for Cox's Bazar on SeasonMap's comfort score (61/100).
- What is the weather like in Cox's Bazar in September?
- In September, Cox's Bazar averages a daily high of 29.4°C and a low of 25.5°C, with about 335.9 mm of rain over roughly 25.8 rainy days.
- What is the air quality in Cox's Bazar in September?
- Cox's Bazar has a mean US Air Quality Index of about 42 in September.