September weather forecast
Basan, Bangladesh

The first month of the autumn, September, is still a hot month in Basan, Bangladesh, with an average temperature ranging between min 25.7°C (78.3°F) and max 32.4°C (90.3°F).

Temperature

September's onset records an average high-temperature of a still tropical 32.4°C (90.3°F), a near match to August's 32.6°C (90.7°F). Basan, during the month of September, experiences an average low-temperature of 25.7°C (78.3°F).

Heat index

The heat index value during September is appraised at a life-threatening hot 46°C (114.8°F). Stay wary: Heat exhaustion and heat cramps are possible. Heatstroke can ensue from extended effort.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in September is 80%.

Rainfall

In Basan, in September, it is raining for 17.6 days, with typically 40mm (1.57") of accumulated precipitation. In Basan, during the entire year, the rain falls for 128.3 days and collects up to 352mm (13.86") of precipitation.

Daylight

In Basan, Bangladesh, the average length of the day in September is 12h and 17min.
On the first day of September in Basan, sunrise is at 5:40 am and sunset at 6:16 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 5:46 pm +06.

Sunshine

The average sunshine in September is 8.1h.

UV index

The months with the highest UV index in Basan, Bangladesh, are March through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.