September weather forecastJhanjharpur, India

September

Weather in September

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.

Frequently asked questions

In September, in Jhanjharpur, the average high-temperature is 33.1°C (91.6°F), and the average low-temperature is 25.6°C (78.1°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 45°C (113°F).

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

In Jhanjharpur, the average relative humidity in September is 73%.

In September, the rain falls for 19.8 days. Throughout September, 131mm (5.16") of precipitation is accumulated.

In Jhanjharpur, the average day length in September is 12h and 19min.

In September, on the first day of the month, sunrise is at 5:24 am and sunset at 6:04 pm. On the last day of the month, in Jhanjharpur, India, sunrise is at 5:36 am and sunset at 5:32 pm IST.

In Jhanjharpur, the average sunshine duration in September is 8.6h.

In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Jhanjharpur, India

  • Average high temperature in September: 33.1°C

The warmest month (with the highest average high temperature) is May (38.9°C).
The month with the lowest average high temperature is January (23.7°C).

  • Average low temperature in September: 25.6°C

The month with the highest average low temperature is June (28.8°C).
The coldest month (with the lowest average low temperature) is January (12.1°C).

Average pressure in September
Jhanjharpur, India

  • Average pressure in September: 1005.4mbar

The month with the highest atmospheric pressure is January (1016mbar).
The month with the lowest atmospheric pressure is June (1000mbar).

Average wind speed in September
Jhanjharpur, India

  • Average wind speed in September: 9.8km/h

The windiest month (with the highest average wind speed) is May (14.2km/h).
The calmest month (with the lowest average wind speed) is November (7km/h).

Average humidity in September
Jhanjharpur, India

  • Average humidity in September: 73%

The month with the highest relative humidity is September (73%).
The month with the lowest relative humidity is April (31%).

Average rainfall in September
Jhanjharpur, India

  • Average rainfall in September: 131mm

The wettest month (with the highest rainfall) is July (215mm).
The driest months (with the least rainfall) are November and December (2mm).

Average rainfall days in September
Jhanjharpur, India

  • Average rainfall days in September: 19.8 days

The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is December (1.7 days).

Average daylight in September /
Average sunshine in September
Jhanjharpur, India

  • Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in September: 8h and 36min

The months with the most sunshine are April and May (Average sunshine: 11h and 48min).
The months with the least sunshine are January and February (Average sunshine: 7h and 24min).

Average sunshine days in September
Jhanjharpur, India

  • Average sunshine days in September: 8.3 days

The month with the most sunshine days is December (29.1 days).
The month with the least sunshine days is July (6.3 days).

Average UV index in September
Jhanjharpur, India

  • Average UV index in September: 7

The months with the highest UV index are April and May (UV index 8).
The months with the lowest UV index are January and December (UV index 5).

Average cloud cover in September
Jhanjharpur, India

  • Average cloud cover in September: 38

The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is November (Cloud cover 6).

Average visibility in September
Jhanjharpur, India

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).