September weather forecast
Harni, Bangladesh

September, the first month of the autumn in Harni, is also a hot month, with temperature in the range of an average low of 26.3°C (79.3°F) and an average high of 31.1°C (88°F).

Temperature

September's arrival brings an average high-temperature of a still hot 31.1°C (88°F), slightly deviating from August's 31°C (87.8°F). A modest nighttime temperature average of 26.3°C (79.3°F) characterizes September.

Heat index

During September, the heat index is estimated at a blisteringly hot 42°C (107.6°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

July through September, with an average relative humidity of 82%, are the most humid months.

Rainfall

In Harni, during September, the rain falls for 25.5 days and regularly aggregates up to 153mm (6.02") of precipitation. In Harni, Bangladesh, during the entire year, the rain falls for 176.3 days and collects up to 1246mm (49.06") of precipitation.

Daylight

The average length of the day in September in Harni is 12h and 17min.
On the first day of September in Harni, sunrise is at 5:38 am and sunset at 6:12 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 5:44 pm +06.

Sunshine

The average sunshine in September is 8.2h.

UV index

March through September, with an average maximum UV index of 7, are months with the highest UV index in Harni. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.