Chittagong (Chattogram)
September
Weather in Chittagong for September 2025
Your guide to Chittagong weather in September - trends and predictions
In general, the average temperature in Chittagong at the beginning of September is 29.1 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 29.1 °C by the end of September.
Chittagong experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 291 mm.
Temperatures
Rain 🌧️
1
Dry days
29
Rainy days
0
Snow days
29°/26°
Temperatures
20 km/h
Avg max wind
84 %
Avg humidity
Chittagong in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 29° | 3 30° | 4  29° | 5 29° | 6  30° | 7 28° |
| 8 29° | 9 30° | 10 29° | 11  29° | 12  29° | 13  28° | 14 28° |
| 15  29° | 16 29° | 17 29° | 18 28° | 19 30° | 20 30° | 21 30° |
| 22 30° | 23 29° | 24 29° | 25 28° | 26 30° | 27 29° | 28 30° |
| 29 29° | 30 29° |
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Temperatures trend during September in Chittagong
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Moderate or heavy rain shower | 29° /25° | 8.2 mm | 6 | |
| 2 Sept. | Moderate or heavy rain shower | 29° /26° | 3 mm | 6 | |
| 3 Sept. | Moderate or heavy rain shower | 30° /25° | 11.1 mm | 7 | |
| 4 Sept. | Light rain shower | 29° /26° | 4.6 mm | 6 | |
| 5 Sept. | Light rain shower | 29° /26° | 5.6 mm | 6 | |
| 6 Sept. | Torrential rain shower | 30° /26° | 24.5 mm | 7 | |
| 7 Sept. | Light rain shower | 28° /25° | 27.1 mm | 7 | |
| 8 Sept. | Light rain shower | 29° /26° | 5.9 mm | 7 | |
| 9 Sept. | Light rain shower | 30° /25° | 2.3 mm | 7 | |
| 10 Sept. | Light rain shower | 29° /25° | 5.7 mm | 6 | |
| 11 Sept. | Patchy light rain with thunder | 29° /25° | 11.9 mm | 6 | |
| 12 Sept. | Partly cloudy | 29° /25° | 11.7 mm | 7 | |
| 13 Sept. | Cloudy | 28° /25° | 15 mm | 6 | |
| 14 Sept. | Cloudy | 28° /25° | 30.3 mm | 7 | |
| 15 Sept. | Thundery outbreaks possible | 29° /25° | 2.4 mm | 6 | |
| 16 Sept. | Partly cloudy | 29° /25° | 4.3 mm | 7 | |
| 17 Sept. | Patchy rain possible | 29° /25° | 0.9 mm | 6 | |
| 18 Sept. | Moderate or heavy rain shower | 28° /25° | 20.3 mm | 6 | |
| 19 Sept. | Patchy light rain with thunder | 30° /25° | 7.8 mm | 7 | |
| 20 Sept. | Patchy light rain with thunder | 30° /26° | 5.8 mm | 7 | |
| 21 Sept. | Light rain shower | 30° /25° | 8.9 mm | 7 | |
| 22 Sept. | Patchy light rain with thunder | 30° /25° | 15.1 mm | 7 | |
| 23 Sept. | Patchy rain possible | 29° /25° | 4.7 mm | 6 | |
| 24 Sept. | Patchy rain possible | 29° /25° | 7.4 mm | 6 | |
| 25 Sept. | Patchy rain possible | 28° /25° | 7.1 mm | 6 | |
| 26 Sept. | Patchy rain possible | 30° /25° | 6.4 mm | 6 | |
| 27 Sept. | Light rain shower | 29° /25° | 5.7 mm | 6 | |
| 28 Sept. | Patchy light rain with thunder | 30° /26° | 6.3 mm | 7 | |
| 29 Sept. | Light rain shower | 29° /25° | 12.3 mm | 6 | |
| 30 Sept. | Light rain shower | 29° /26° | 8.8 mm | 6 | |
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Important Notice
Our weather forecast for Chittagong in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chittagong forecast closer to your planned date for the most up-to-date weather information.
Chittagong in September - FAQ
What are the expected maximum and minimum temperatures in Chittagong during September?
During September, expect a variety of temperatures with highs around 29° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chittagong during September?
Significant rainfall exceeding 291 mm is expected in Chittagong during September, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chittagong during September?
The average wind speed in Chittagong during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Chittagong
Explore the daily rainfall trends and prepare for Chittagongs September weather 💧
UV exposure in Chittagong during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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