What to pack for Chattogram in September
- light, breathable clothing
- sun protection (hat, SPF 50)
- a compact umbrella or rain shell — rain is frequent
- expect humid, sticky conditions
Humidity averages 88%; max daily wind around 14 km/h.
How September compares
Best months in Chattogram: December–February. See the full best time to visit Chattogram guide.
Chattogram in September: the details
In September, Chattogram sees average daytime highs of 31°C (87°F) and overnight lows of 25°C (77°F). Rainfall totals roughly 336 mm across 25.8 rainy days, and the sun shines about 8.4 hours per day with 12.1 hours of daylight mid-month. Relative humidity averages 88%.
In context: September is the 5th-warmest month and the 4th-wettest in Chattogram. The sunniest month is April (11 h/day).
| Metric | September average |
|---|---|
| Daytime high | 31°C / 87°F |
| Overnight low | 25°C / 77°F |
| Rainfall | 336 mm over 25.8 rainy days |
| Sunshine | 8.4 h/day (12.1 h daylight) |
| Humidity | 88% |
| Travel score | 3.4 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Chattogram, Bangladesh (22.34, 91.83) — see our methodology. Actual conditions vary year to year.
Not set on Chattogram? Browse the best places to visit in September ranked by travel score.
Frequently asked questions
How hot is Chattogram in September?
Daytime highs in Chattogram in September average 31°C (87°F); nights drop to about 25°C.
Does it rain in Chattogram in September?
Expect around 25.8 rainy days and 336 mm of rainfall in September.
Is September a good time to visit Chattogram?
September is a challenging month to visit Chattogram — consider December–February instead. Overall travel score: 3.4/10. The best months are December–February.
Also good in September, near Chattogram
Where should you go next month?
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