September weather forecast
Jhanjharpur, India

The last month of the rainy (monsoon) season, September, is another hot month in Jhanjharpur, India, with an average temperature ranging between max 33.1°C (91.6°F) and min 25.6°C (78.1°F).

Temperature

Jhanjharpur starts September with an average high-temperature of a still hot 33.1°C (91.6°F), a minor shift from August's 34.7°C (94.5°F). Jhanjharpur throughout September, experiences an average nighttime temperature of 25.6°C (78.1°F).

Heat index

The heat index value during September is calculated to be a burning hot 45°C (113°F). Forewarned: Heat cramps and heat exhaustion are anticipated. Ongoing physical activity increases the likelihood of heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The most humid month in Jhanjharpur is September, with an average relative humidity of 73%.

Rainfall

In Jhanjharpur, during September, the rain falls for 19.8 days and regularly aggregates up to 131mm (5.16") of precipitation. Throughout the year, in Jhanjharpur, there are 123.3 rainfall days, and 700mm (27.56") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 19min.
On the first day of the month, sunrise is at 5:24 am and sunset at 6:04 pm. On the last day of September, sunrise is at 5:36 am and sunset at 5:32 pm IST.

Sunshine

The average sunshine in September in Jhanjharpur is 8.6h.

UV index

In Jhanjharpur, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.