September weather forecast
Jasidih, India

The last month of the rainy (monsoon) season, September, is another tropical month in Jasidih, India, with an average temperature fluctuating between 24.5°C (76.1°F) and 31.5°C (88.7°F).

Temperature

With the onset of September, Jasidih's average high-temperature clocks in at a still hot 31.5°C (88.7°F), showing a minor fluctuation from the previous month. In September, Jasidih experiences a temperature dip to an average of 24.5°C (76.1°F) at night.

Heat index

During September, the heat index is appraised at a blisteringly hot 42°C (107.6°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
The metrics for the heat index are tailored for both shady environments and light winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In September, the average relative humidity in Jasidih is 78%.

Rainfall

In Jasidih, in September, it is raining for 20.8 days, with typically 140mm (5.51") of accumulated precipitation. In Jasidih, India, during the entire year, the rain falls for 130.4 days and collects up to 790mm (31.1") of precipitation.

Daylight

In September, the average length of the day is 12h and 18min.
On the first day of the month, sunrise is at 5:24 am and sunset at 6:01 pm. On the last day of September, sunrise is at 5:35 am and sunset at 5:31 pm IST.

Sunshine

The months with the least sunshine are January, February, September and December, with an average of 7.4h of sunshine.

UV index

The average daily maximum UV index in September in Jasidih is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.